FNUS56 KSTO 182103 FWFSTO Fire Weather Planning Forecast for Interior Northern California National Weather Service Sacramento CA 202 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM MONDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONES 124,142,144,145,146,148,149,150, 152,153,154,155,156,157,158,159, 160,161,163 AND 164... .DISCUSSION... The weather system that brought the winds to the area Sunday and today is moving off to the east. This will allow winds to decrease this evening and less wind the rest of the week. Humidities also will be a bit higher rest of the week, but still on the low side for both daytime minimums and overnight recoveries. Temperatures will be above normal with the highest temperatures on Thursday. CAZ121-192300- W. Shasta County Above 3000 ft- 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........42-49. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........42-57 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Ridges/Upr Slopes....North winds 7 to 13 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........68-77. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........18-24 percent. * 24 HR Trend..........4 percent up. * 20-Foot Winds.......... * Ridges/Upr Slopes....Northeast winds 4 to 9 mph. * CWR....................0 percent. * Mixing Height..........7900 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........49-55. * Max Humidity...........45-60 percent. * 20-Foot Winds.......... * Ridges/Upr Slopes....Northwest winds 5 to 11 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy early in the morning then clearing. * Max Temperature........71-79. * Min Humidity...........18-33 percent. * 20-Foot Winds.......... * Ridges/Upr Slopes....North winds 4 to 10 mph shifting to the southeast up to 8 mph in the afternoon. * Mixing Height..........8600 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ122-192300- W. Shasta County 1000-3000 ft- Including the city of Whiskeytown 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........52-57 lower elevations...except 46-51 higher elevations. * 24 HR Trend..........Little change. * Max Humidity...........39-49 percent lower elevations...except 46-61 percent high elevations. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northwest winds 5 to 11 mph. * Ridges/Upr Slopes....Northwest winds 5 to 11 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........84-89 lower elevations...except 76-82 higher elevations. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........14-20 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds up to 8 mph. * Ridges/Upr Slopes....North winds 4 to 9 mph shifting to the east up to 7 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........7600 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........56-62 lower elevations...except 51-57 higher elevations. * Max Humidity...........45-60 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northwest winds 5 to 11 mph. * Ridges/Upr Slopes....Northwest winds 5 to 11 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........86-91 lower elevations...except 78-84 higher elevations. * Min Humidity...........15-28 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northwest winds 4 to 9 mph shifting to the east up to 8 mph in the afternoon. * Ridges/Upr Slopes....Northwest winds 4 to 10 mph shifting to the east up to 8 mph in the afternoon. * Mixing Height..........7600 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ123-192300- Shasta Lake Area & 1-5 1000-3000 ft- Including the city of Shasta Lake, Sims 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........50-55 lower elevations...except 44-51 higher elevations. * 24 HR Trend..........Little change. * Max Humidity...........40-55 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 6 to 12 mph with local gusts up to 20 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........82-87 lower elevations...except 76-83 higher elevations. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........14-20 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northeast winds 4 to 9 mph. Local gusts up to 20 mph in the morning. * CWR....................0 percent. * Mixing Height..........8100 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........55-60 lower elevations...except 49-57 higher elevations. * Max Humidity...........44-59 percent. * 20-Foot Winds..........North winds 4 to 9 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy early in the morning then clearing. * Max Temperature........85-90 lower elevations...except 78-84 higher elevations. * Min Humidity...........16-31 percent. * 20-Foot Winds..........North winds 5 to 11 mph shifting to the south up to 7 mph in the afternoon. * Mixing Height..........8200 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ124-192300- Shasta Metro- Including the city of Redding, Anderson 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........52-57. * 24 HR Trend..........Little change. * Max Humidity...........40-46 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 5 to 11 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........88-93. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........8-13 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 4 to 9 mph. Local gusts up to 20 mph in the morning. * CWR....................0 percent. * Mixing Height..........7700 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........56-61. * Max Humidity...........40-55 percent. * 20-Foot Winds..........North winds up to 7 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........90-95. * Min Humidity...........12-19 percent. * 20-Foot Winds..........North winds up to 7 mph shifting to the southeast up to 6 mph in the afternoon. * Mixing Height..........6900 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ125-192300- Shasta County Foothills 1000-3000 ft- 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........51-56. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........31-37 percent. * 24 HR Trend..........9 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 4 to 9 mph. * Ridges/Upr Slopes....Northeast winds 4 to 9 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........81-86. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........10-15 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northwest winds 4 to 9 mph. * Ridges/Upr Slopes....Northwest winds up to 8 mph. * CWR....................0 percent. * Mixing Height..........7700 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........56-61. * Max Humidity...........27-42 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Drainage winds up to 5 mph. * Ridges/Upr Slopes....Variable winds up to 5 mph becoming east up to 7 mph after midnight. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........83-88. * Min Humidity...........14-21 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph. * Ridges/Upr Slopes....Variable winds up to 7 mph becoming west up to 7 mph in the afternoon. * Mixing Height..........7500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ126-192300- E. Shasta /S. Cascades Above 3000 ft- Including the city of Shingletown 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........36-46. * 24 HR Trend..........Little change. * Max Humidity...........41-56 percent. * 24 HR Trend..........5 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 5 to 11 mph. * Ridges/Upr Slopes....Northeast winds 5 to 11 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........67-77. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........16-22 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 4 to 10 mph shifting to the northwest up to 8 mph in the afternoon. * Ridges/Upr Slopes....Northeast winds 4 to 9 mph. * CWR....................0 percent. * Mixing Height..........8000 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........42-52. * Max Humidity...........40-55 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Drainage winds up to 5 mph becoming east up to 7 mph after midnight. * Ridges/Upr Slopes....North winds up to 8 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy early in the morning then clearing. * Max Temperature........69-79. * Min Humidity...........16-29 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds up to 7 mph shifting to the west up to 8 mph in the afternoon. * Ridges/Upr Slopes....Northeast winds 4 to 9 mph shifting to the southwest in the afternoon. * Mixing Height..........8200 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ127-192300- Burney Basin- Including the city of Burney 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........34-39. * 24 HR Trend..........Little change. * Max Humidity...........52-67 percent. * 24 HR Trend..........7 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 4 to 9 mph. * Ridges/Upr Slopes....East winds 4 to 9 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........71-78 lower elevations...except 64-74 higher elevations. * 24 HR Trend..........6 degrees warmer. * Min Humidity...........15-20 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...North winds up to 8 mph. * Ridges/Upr Slopes....North winds up to 8 mph. * CWR....................0 percent. * Mixing Height..........8400 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear until early morning then becoming mostly cloudy. * Min Temperature........41-46. * Max Humidity...........46-61 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Drainage winds up to 5 mph. * Ridges/Upr Slopes....North winds up to 7 mph shifting to the east after midnight. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Partly cloudy early in the morning then clearing. * Max Temperature........75-81 lower elevations...except 67-77 higher elevations. * Min Humidity...........16-30 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming northwest up to 7 mph in the afternoon. * Ridges/Upr Slopes....East winds up to 7 mph shifting to the northwest 4 to 9 mph in the afternoon. * Mixing Height..........9000 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ128-192300- Lassen Volcanic NP- Including the city of Lassen National Park 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........32-37. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........33-46 percent. * 24 HR Trend..........21 percent down. * 20-Foot Winds..........Northeast winds 7 to 13 mph. * CWR....................0 percent. * Mixing Height..........800 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........58-64. * 24 HR Trend..........7 degrees warmer. * Min Humidity...........20-26 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northeast winds 5 to 11 mph. * CWR....................0 percent. * Mixing Height..........8500 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear until early morning then becoming partly cloudy. * Min Temperature........38-43. * Max Humidity...........36-51 percent. * 20-Foot Winds..........Northeast winds up to 8 mph. * Mixing Height..........600 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy early in the morning then clearing. * Max Temperature........59-67. * Min Humidity...........22-35 percent. * 20-Foot Winds..........Southeast winds up to 7 mph shifting to the west 6 to 12 mph with local gusts up to 20 mph in the afternoon. * Mixing Height..........9100 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ129-192300- Sierra (Tehama-Plumas) 1000-3000 ft- Including the city of Paradise 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........53-59. * 24 HR Trend..........5 degrees warmer. * Max Humidity...........21-30 percent. * 24 HR Trend..........10 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 10 to 16 mph. * Ridges/Upr Slopes....Northeast winds 10 to 16 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........82-87 lower elevations...except 77-82 higher elevations. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........11-16 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 10 to 16 mph shifting to the northwest 6 to 12 mph in the afternoon. * Ridges/Upr Slopes....Northeast winds 6 to 12 mph shifting to the northwest 4 to 9 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........7800 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........57-63. * Max Humidity...........34-49 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 5 to 11 mph. * Ridges/Upr Slopes....Northeast winds 5 to 11 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Partly cloudy early in the morning then clearing. * Max Temperature........84-89 lower elevations...except 79-84 higher elevations. * Min Humidity...........14-29 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 5 to 11 mph shifting to the southwest 6 to 12 mph in the afternoon. * Ridges/Upr Slopes....East winds 4 to 9 mph shifting to the southwest in the afternoon. * Mixing Height..........6900 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ130-192300- Sierra (Tehama-Plumas) Above 3000 ft- Including the city of Mineral, Quincy 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........37-47. * 24 HR Trend..........Little change. * Max Humidity...........34-49 percent. * 24 HR Trend..........13 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 7 to 13 mph. * Ridges/Upr Slopes....Northeast winds 7 to 13 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........69-76 lower elevations...except 63-71 higher elevations. * 24 HR Trend..........6 degrees warmer. * Min Humidity...........15-21 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 6 to 12 mph. * Ridges/Upr Slopes....Northeast winds 5 to 11 mph. * CWR....................0 percent. * Mixing Height..........8600 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear until early morning then becoming partly cloudy. * Min Temperature........41-51. * Max Humidity...........38-53 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 4 to 9 mph. * Ridges/Upr Slopes....Northeast winds 4 to 9 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy early in the morning then clearing. * Max Temperature........70-78 lower elevations...except 64-72 higher elevations. * Min Humidity...........15-30 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 4 to 9 mph shifting to the southwest in the afternoon. * Ridges/Upr Slopes....East winds 4 to 9 mph shifting to the southwest 4 to 10 mph with local gusts up to 20 mph in the afternoon. * Mixing Height..........8800 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ131-192300- N. Motherlode 1000-3000 ft- Including the city of Auburn, Grass Valley, Colfax, Nevada City 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........51-56. * 24 HR Trend..........Little change. * Max Humidity...........26-35 percent. * 24 HR Trend..........7 percent down. * 20-Foot Winds..........Northeast winds 5 to 11 mph with local gusts up to 20 mph. * CWR....................0 percent. * Mixing Height..........400 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........80-85. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........11-16 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........East winds 4 to 9 mph shifting to the west up to 8 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........8200 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........53-58. * Max Humidity...........36-51 percent. * 20-Foot Winds..........Northeast winds up to 7 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Partly cloudy early in the morning then clearing. * Max Temperature........80-86. * Min Humidity...........15-26 percent. * 20-Foot Winds..........East winds up to 7 mph shifting to the southwest in the afternoon. * Mixing Height..........6300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ132-192300- Sierra (Yuba-Placer) 3000-5000 ft- 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........43-53. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........22-37 percent. * 24 HR Trend..........10 percent down. * 20-Foot Winds..........Northeast winds 6 to 12 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........70-79. * 24 HR Trend..........6 degrees warmer. * Min Humidity...........13-19 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........East winds 6 to 12 mph with local gusts up to 25 mph shifting to the northwest 4 to 10 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........9200 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........47-55. * Max Humidity...........41-56 percent lower elevations...except 27-42 percent high elevations. * 20-Foot Winds..........Northeast winds 4 to 9 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy early in the morning then clearing. * Max Temperature........71-79. * Min Humidity...........15-27 percent. * 20-Foot Winds..........East winds up to 7 mph shifting to the southwest up to 8 mph in the afternoon. * Mixing Height..........7900 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ133-192300- Sierra (Sierra-Placer) Above 5000 ft- Including the city of Blue Canyon, Kingvale, Donner Peak 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........33-43. * 24 HR Trend..........Little change. * Max Humidity...........29-44 percent. * 24 HR Trend..........14 percent down. * 20-Foot Winds..........East winds 10 to 16 mph with local gusts up to 35 mph. * CWR....................0 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........60-70. * 24 HR Trend..........8 degrees warmer. * Min Humidity...........14-22 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........East winds 8 to 14 mph. Local gusts up to 35 mph decreasing to 25 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........8600 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........37-47. * Max Humidity...........34-49 percent. * 20-Foot Winds..........Northeast winds 4 to 9 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy early in the morning then clearing. * Max Temperature........63-71. * Min Humidity...........16-31 percent. * 20-Foot Winds..........East winds up to 8 mph shifting to the southwest 4 to 10 mph with local gusts up to 20 mph in the afternoon. * Mixing Height..........9000 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ134-192300- Central Motherlode 1000-3000 ft- Including the city of Cameron Park, Shingle Springs, Placerville, Cool, Jackson 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........55-60. * 24 HR Trend..........Little change. * Max Humidity...........24-33 percent. * 24 HR Trend..........5 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 5 to 11 mph. * Ridges/Upr Slopes....East winds 6 to 12 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........82-87 lower elevations...except 76-81 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........12-17 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds up to 8 mph shifting to the west in the afternoon. * Ridges/Upr Slopes....East winds up to 8 mph shifting to the west up to 7 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........7000 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........56-61. * Max Humidity...........31-46 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Drainage winds up to 5 mph. * Ridges/Upr Slopes....Variable winds up to 5 mph becoming east up to 7 mph after midnight. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........84-89 lower elevations...except 79-84 higher elevations. * Min Humidity...........14-25 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest up to 7 mph in the afternoon. * Ridges/Upr Slopes....East winds up to 7 mph shifting to the west in the afternoon. * Mixing Height..........5700 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ135-192300- Sierra 3000-5000 ft- Including the city of Pollock Pines 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........48-55 lower elevations...except 54-59 higher elevations. * 24 HR Trend..........5 degrees warmer. * Max Humidity...........21-29 percent. * 24 HR Trend..........8 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds 5 to 11 mph. * Ridges/Upr Slopes....East winds 5 to 11 mph with local gusts up to 20 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........72-77. * 24 HR Trend..........Little change. * Min Humidity...........13-18 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds 4 to 9 mph with local gusts up to 20 mph shifting to the west up to 8 mph in the afternoon. * Ridges/Upr Slopes....East winds up to 8 mph shifting to the west in the afternoon. * CWR....................0 percent. * Mixing Height..........8100 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........48-56. * Max Humidity...........34-49 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds up to 7 mph. * Ridges/Upr Slopes....Northeast winds up to 7 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........74-79. * Min Humidity...........16-25 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds up to 7 mph shifting to the west up to 8 mph in the afternoon. * Ridges/Upr Slopes....Variable winds up to 7 mph becoming west up to 8 mph in the afternoon. * Mixing Height..........7300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ136-192300- Sierra (El Dorado-Amador) Above 5000 ft- Including the city of Carson Pass 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........31-41. * 24 HR Trend..........Little change. * Max Humidity...........26-39 percent. * 24 HR Trend..........11 percent down. * 20-Foot Winds.......... * Ridges/Upr Slopes....East winds 11 to 17 mph with local gusts up to 30 mph. * CWR....................0 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........59-69. * 24 HR Trend..........7 degrees warmer. * Min Humidity...........14-24 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Ridges/Upr Slopes....Northeast winds 8 to 14 mph with local gusts up to 30 mph. * CWR....................0 percent. * Mixing Height..........8300 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........37-45. * Max Humidity...........35-50 percent. * 20-Foot Winds.......... * Ridges/Upr Slopes....Northeast winds 4 to 9 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........60-70. * Min Humidity...........14-29 percent. * 20-Foot Winds.......... * Ridges/Upr Slopes....East winds 4 to 9 mph shifting to the west 5 to 11 mph in the afternoon. * Mixing Height..........8300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ137-192300- Southern Motherlode 1000-3000 ft- Including the city of Sonora, Angels Camp 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........52-57. * 24 HR Trend..........Little change. * Max Humidity...........28-36 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 6 to 12 mph. * Ridges/Upr Slopes....Northeast winds 7 to 13 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........78-85. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........11-16 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west 5 to 10 mph in the afternoon. * Ridges/Upr Slopes....Southeast winds up to 7 mph shifting to the west 5 to 10 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........7600 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........55-60. * Max Humidity...........32-47 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds up to 8 mph. * Ridges/Upr Slopes....Variable winds up to 5 mph becoming northeast up to 8 mph after midnight. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........85-90 lower elevations...except 80-85 higher elevations. * Min Humidity...........11-25 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest 4 to 9 mph in the afternoon. * Ridges/Upr Slopes....Variable winds up to 7 mph becoming southwest up to 8 mph in the afternoon. * Mixing Height..........6300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ138-192300- Sierra (Cal-Tuo) 3000-5000 ft- Including the city of Twain Harte, Arnold 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........45-52. * 24 HR Trend..........Little change. * Max Humidity...........23-36 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 8 to 14 mph with local gusts up to 25 mph. * Ridges/Upr Slopes....Northeast winds 8 to 14 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........69-76. * 24 HR Trend..........Little change. * Min Humidity...........15-21 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds 4 to 10 mph with local gusts up to 20 mph shifting to the west 6 to 12 mph in the afternoon. * Ridges/Upr Slopes....East winds 5 to 11 mph shifting to the west 7 to 13 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........7900 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........48-56. * Max Humidity...........37-52 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 4 to 10 mph. * Ridges/Upr Slopes....Northeast winds 4 to 10 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........71-79. * Min Humidity...........15-28 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds up to 7 mph shifting to the southwest 5 to 11 mph in the afternoon. * Ridges/Upr Slopes....East winds up to 8 mph shifting to the southwest 6 to 12 mph in the afternoon. * Mixing Height..........7200 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ139-192300- Sierra (Cal-Tuo) Above 5000 ft- Including the city of Twain Harte, Arnold 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........30-40. * 24 HR Trend..........Little change. * Max Humidity...........32-47 percent. * 24 HR Trend..........8 percent down. * 20-Foot Winds.......... * Ridges/Upr Slopes....East winds 10 to 16 mph with local gusts up to 30 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........57-67. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........17-25 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Ridges/Upr Slopes....East winds 6 to 12 mph shifting to the west 5 to 11 mph in the afternoon. Local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........8200 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........35-45. * Max Humidity...........37-52 percent. * 20-Foot Winds.......... * Ridges/Upr Slopes....Northeast winds 5 to 11 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........59-69. * Min Humidity...........17-32 percent. * 20-Foot Winds.......... * Ridges/Upr Slopes....East winds 4 to 9 mph shifting to the west 6 to 12 mph in the afternoon. * Mixing Height..........7800 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ140-192300- Tehama Co Coast Range Above 3000 ft- 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........44-51. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........26-37 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 7 to 13 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........65-74. * 24 HR Trend..........6 degrees warmer. * Min Humidity...........18-23 percent. * 24 HR Trend..........6 percent up. * 20-Foot Winds..........Northeast winds 6 to 12 mph with local gusts up to 20 mph. * CWR....................0 percent. * Mixing Height..........6800 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........52-58. * Max Humidity...........33-48 percent. * 20-Foot Winds..........Northwest winds 5 to 11 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........67-75. * Min Humidity...........23-32 percent. * 20-Foot Winds..........Northwest winds up to 7 mph shifting to the southeast 5 to 11 mph in the afternoon. * Mixing Height..........7800 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ141-192300- W Tehama Co Foothills 1000-3000 ft- 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........55-60 lower elevations...except 50-57 higher elevations. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........26-41 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 7 to 13 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........82-87 lower elevations...except 73-78 higher elevations. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........11-16 percent. * 24 HR Trend..........4 percent up. * 20-Foot Winds..........North winds 5 to 11 mph. Local gusts up to 20 mph in the morning. * CWR....................0 percent. * Mixing Height..........7000 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........59-64. * Max Humidity...........31-46 percent. * 20-Foot Winds..........Northwest winds 4 to 9 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........84-89 lower elevations...except 76-81 higher elevations. * Min Humidity...........17-29 percent. * 20-Foot Winds..........Northwest winds up to 7 mph shifting to the east 4 to 9 mph in the afternoon. * Mixing Height..........6500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ142-192300- N. Sac Valley in Tehama County- Including the city of Red Bluff 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........54-59. * 24 HR Trend..........Little change. * Max Humidity...........35-44 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 6 to 12 mph. * CWR....................0 percent. * Mixing Height..........400 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........87-92. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........6-11 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 5 to 11 mph. Local gusts up to 20 mph in the morning. * CWR....................0 percent. * Mixing Height..........7500 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........57-62. * Max Humidity...........35-50 percent. * 20-Foot Winds..........Northwest winds up to 7 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Max Temperature........90-95. * Min Humidity...........11-20 percent. * 20-Foot Winds..........North winds up to 6 mph shifting to the southeast up to 7 mph in the afternoon. * Mixing Height..........6400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ143-192300- Glenn/Colusa Coast Range Above 3000 ft- 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........46-55. * 24 HR Trend..........Little change. * Max Humidity...........21-28 percent. * 24 HR Trend..........4 percent down. * 20-Foot Winds..........North winds 7 to 13 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........65-75. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........15-21 percent. * 24 HR Trend..........6 percent up. * 20-Foot Winds..........Northeast winds 6 to 12 mph. Local gusts up to 20 mph in the morning. * CWR....................0 percent. * Mixing Height..........7100 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........54-60. * Max Humidity...........27-42 percent. * 20-Foot Winds..........Northwest winds 4 to 10 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Partly cloudy early in the morning then clearing. * Max Temperature........69-77. * Min Humidity...........18-30 percent. * 20-Foot Winds..........North winds up to 7 mph shifting to the southeast 6 to 12 mph in the afternoon. * Mixing Height..........8500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ144-192300- Central Glenn Co & Interstate 5- Including the city of Willows, Orland 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........55-60. * 24 HR Trend..........Little change. * Max Humidity...........33-38 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 6 to 12 mph with local gusts up to 20 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........86-91. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........8-13 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 5 to 11 mph. Local gusts up to 20 mph in the morning. * CWR....................0 percent. * Mixing Height..........7300 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........57-62. * Max Humidity...........35-50 percent. * 20-Foot Winds..........Northwest winds up to 7 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........90-95. * Min Humidity...........13-19 percent. * 20-Foot Winds..........Northwest winds up to 6 mph shifting to the east up to 8 mph in the afternoon. * Mixing Height..........6800 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ145-192300- Eastern Glenn County- 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........54-59. * 24 HR Trend..........Little change. * Max Humidity...........34-39 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 4 to 10 mph. Local gusts up to 20 mph in the evening. * CWR....................0 percent. * Mixing Height..........400 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........90-95. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........6-11 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 5 to 11 mph. Local gusts up to 20 mph in the morning. * CWR....................0 percent. * Mixing Height..........7300 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........55-60. * Max Humidity...........45-53 percent. * 20-Foot Winds..........Northwest winds up to 6 mph in the evening becoming variable less than 5 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Partly cloudy early in the morning then clearing. * Max Temperature........92-97. * Min Humidity...........11-16 percent. * 20-Foot Winds..........North winds up to 5 mph shifting to the southeast in the afternoon. * Mixing Height..........7000 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ146-192300- Butte County Below 1000 ft- Including the city of Chico, Oroville, Gridley 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........53-58. * 24 HR Trend..........Little change. * Max Humidity...........30-40 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 5 to 11 mph. Local gusts up to 20 mph in the evening. * CWR....................0 percent. * Mixing Height..........400 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........90-95. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........7-12 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 5 to 11 mph. Local gusts up to 20 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........7300 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........55-61. * Max Humidity...........34-49 percent. * 20-Foot Winds..........Northeast winds up to 7 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy early in the morning then clearing. * Max Temperature........91-96. * Min Humidity...........11-20 percent. * 20-Foot Winds..........Northeast winds up to 6 mph shifting to the southwest in the afternoon. * Mixing Height..........6000 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ147-192300- W. Glenn/Colusa Foothills 1000-3000 ft- 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........52-58. * 24 HR Trend..........Little change. * Max Humidity...........23-33 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northwest winds 6 to 12 mph. * Ridges/Upr Slopes....Northwest winds 6 to 12 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........82-87 lower elevations...except 74-79 higher elevations. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........9-14 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...North winds 7 to 13 mph. * Ridges/Upr Slopes....Northeast winds 7 to 13 mph. * CWR....................0 percent. * Mixing Height..........7100 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........55-61. * Max Humidity...........29-44 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Drainage winds up to 5 mph becoming west up to 8 mph after midnight. * Ridges/Upr Slopes....Northwest winds up to 8 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy early in the morning then clearing. * Max Temperature........84-89 lower elevations...except 77-82 higher elevations. * Min Humidity...........15-29 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southeast 5 to 10 mph in the afternoon. * Ridges/Upr Slopes....Variable winds up to 7 mph becoming southeast 5 to 10 mph in the afternoon. * Mixing Height..........8200 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ148-192300- Central Colusa County Incl. I-5- Including the city of Williams 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........56-61. * 24 HR Trend..........Little change. * Max Humidity...........31-37 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 8 to 14 mph. * CWR....................0 percent. * Mixing Height..........400 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........86-91. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........8-13 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 8 to 14 mph. * CWR....................0 percent. * Mixing Height..........7500 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........57-62. * Max Humidity...........39-51 percent. * 20-Foot Winds..........West winds up to 8 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy early in the morning then clearing. * Max Temperature........89-94. * Min Humidity...........13-20 percent. * 20-Foot Winds..........Northwest winds up to 7 mph shifting to the east in the afternoon. * Mixing Height..........7900 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ149-192300- Eastern Colusa County- Including the city of Colusa 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........54-59. * 24 HR Trend..........Little change. * Max Humidity...........35-40 percent. * 24 HR Trend..........4 percent up. * 20-Foot Winds..........Northwest winds 4 to 10 mph. Local gusts up to 20 mph in the evening. * CWR....................0 percent. * Mixing Height..........400 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........90-95. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........5-10 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 6 to 12 mph. * CWR....................0 percent. * Mixing Height..........8000 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........55-60. * Max Humidity...........46-53 percent. * 20-Foot Winds..........Northwest winds up to 5 mph in the evening becoming variable less than 5 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy early in the morning then clearing. * Max Temperature........92-97. * Min Humidity...........10-15 percent. * 20-Foot Winds..........Variable winds less than 5 mph. * Mixing Height..........7700 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ150-192300- Sutter/Yuba counties below 1000 ft- Including the city of Yuba City, Beale AFB 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........53-58. * 24 HR Trend..........Little change. * Max Humidity...........33-39 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 6 to 12 mph. * CWR....................0 percent. * Mixing Height..........400 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........90-95. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........6-11 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 5 to 11 mph. * CWR....................0 percent. * Mixing Height..........8000 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........55-60. * Max Humidity...........34-49 percent. * 20-Foot Winds..........North winds up to 7 mph shifting to the east up to 6 mph after midnight. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Partly cloudy early in the morning then clearing. * Max Temperature........91-96. * Min Humidity...........10-19 percent. * 20-Foot Winds..........Northeast winds up to 5 mph shifting to the south up to 6 mph in the afternoon. * Mixing Height..........6300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ151-192300- Yolo / Solano County Hills- 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........57-62. * 24 HR Trend..........Little change. * Max Humidity...........20-32 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Ridges/Upr Slopes....North winds 9 to 15 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........82-87. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........8-13 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Ridges/Upr Slopes....North winds 9 to 15 mph. * CWR....................0 percent. * Mixing Height..........8300 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........59-64. * Max Humidity...........40-55 percent. * 20-Foot Winds.......... * Ridges/Upr Slopes....West winds 4 to 9 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Partly cloudy early in the morning then clearing. * Max Temperature........82-88. * Min Humidity...........15-29 percent. * 20-Foot Winds.......... * Ridges/Upr Slopes....Variable winds up to 7 mph becoming southeast 5 to 8 mph in the afternoon. * Mixing Height..........8300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ152-192300- W. Yolo County including Capay/I-505- Including the city of Esparto, Winters 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........58-63. * 24 HR Trend..........Little change. * Max Humidity...........25-33 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 8 to 14 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........88-93. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........5-10 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 8 to 14 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........8500 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........58-63. * Max Humidity...........36-51 percent. * 20-Foot Winds..........West winds up to 6 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Partly cloudy early in the morning then clearing. * Max Temperature........89-94. * Min Humidity...........14-19 percent. * 20-Foot Winds..........Northwest winds up to 6 mph shifting to the southeast in the afternoon. * Mixing Height..........8400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ153-192300- C. Yolo/NE Solano including Woodland- Including the city of Woodland, Dixon 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........55-60. * 24 HR Trend..........Little change. * Max Humidity...........33-38 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 6 to 12 mph with local gusts up to 20 mph. * CWR....................0 percent. * Mixing Height..........400 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........89-94. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........5-10 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 7 to 13 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........8700 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........55-60. * Max Humidity...........47-59 percent. * 20-Foot Winds..........West winds up to 6 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Partly cloudy early in the morning then clearing. * Max Temperature........90-95. * Min Humidity...........12-18 percent. * 20-Foot Winds..........Variable winds less than 5 mph becoming south up to 5 mph in the afternoon. * Mixing Height..........7800 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ154-192300- Sac Metro/W. El Dorado/Amador County- Including the city of Lincoln, Roseville, Sacramento, Elk Grove, Folsom 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........54-59. * 24 HR Trend..........Little change. * Max Humidity...........35-40 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 7 to 13 mph. Local gusts up to 25 mph in the evening. * CWR....................0 percent. * Mixing Height..........400 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........89-94. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........8-13 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 4 to 9 mph. * CWR....................0 percent. * Mixing Height..........7700 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........55-60. * Max Humidity...........44-59 percent. * 20-Foot Winds..........North winds up to 7 mph shifting to the east up to 6 mph after midnight. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........91-96. * Min Humidity...........10-20 percent. * 20-Foot Winds..........South winds up to 6 mph. * Mixing Height..........6100 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ155-192300- C. Solano County including Fairfield- Including the city of Fairfield, Vacaville 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........57-62. * 24 HR Trend..........Little change. * Max Humidity...........32-37 percent. * 24 HR Trend..........5 percent up. * 20-Foot Winds..........North winds 7 to 13 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........89-94. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........6-11 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 7 to 13 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........9100 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........56-61. * Max Humidity...........44-59 percent. * 20-Foot Winds..........West winds 4 to 10 mph. Local gusts up to 20 mph in the evening. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........89-94. * Min Humidity...........15-25 percent. * 20-Foot Winds..........West winds up to 7 mph. * Mixing Height..........6500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ156-192300- SW Solano County including Vallejo- Including the city of Vallejo, Benicia 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........56-61. * 24 HR Trend..........4 degrees cooler. * Max Humidity...........37-52 percent. * 24 HR Trend..........10 percent up. * 20-Foot Winds..........Northwest winds 5 to 11 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........89-94. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........9-14 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 6 to 12 mph. Local gusts up to 20 mph in the morning. * CWR....................0 percent. * Mixing Height..........8800 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........56-61. * Max Humidity...........60-75 percent. * 20-Foot Winds..........West winds 6 to 12 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........84-90. * Min Humidity...........25-40 percent. * 20-Foot Winds..........Southwest winds up to 8 mph. * Mixing Height..........4200 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ157-192300- Sacramento County Delta- Including the city of Walnut Grove 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........55-60. * 24 HR Trend..........4 degrees cooler. * Max Humidity...........34-39 percent. * 24 HR Trend..........7 percent up. * 20-Foot Winds..........Northwest winds 6 to 12 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........90-95. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........5-10 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 5 to 11 mph. * CWR....................0 percent. * Mixing Height..........8500 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........55-60. * Max Humidity...........51-61 percent. * 20-Foot Winds..........West winds 5 to 11 mph. Local gusts up to 20 mph in the evening. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........88-93. * Min Humidity...........14-22 percent. * 20-Foot Winds..........West winds up to 7 mph. * Mixing Height..........7000 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ158-192300- San Joaquin County Delta- 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........55-60. * 24 HR Trend..........5 degrees cooler. * Max Humidity...........37-42 percent. * 24 HR Trend..........10 percent up. * 20-Foot Winds..........Northwest winds 6 to 12 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........91-96. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........5-10 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 4 to 9 mph. * CWR....................0 percent. * Mixing Height..........8200 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........55-60. * Max Humidity...........44-57 percent. * 20-Foot Winds..........West winds 4 to 9 mph. Local gusts up to 20 mph in the evening. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........91-96. * Min Humidity...........13-21 percent. * 20-Foot Winds..........Variable winds less than 5 mph becoming northwest up to 6 mph in the afternoon. * Mixing Height..........7300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ159-192300- C. San Joaquin County including Stockton- Including the city of Stockton, Lodi 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........54-59. * 24 HR Trend..........5 degrees cooler. * Max Humidity...........38-44 percent. * 24 HR Trend..........8 percent up. * 20-Foot Winds..........Northwest winds 6 to 12 mph. Local gusts up to 25 mph in the evening. * CWR....................0 percent. * Mixing Height..........400 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........90-95. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........6-11 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds up to 7 mph. * CWR....................0 percent. * Mixing Height..........7700 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........56-61. * Max Humidity...........42-57 percent. * 20-Foot Winds..........Northwest winds up to 7 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........93-98. * Min Humidity...........11-17 percent. * 20-Foot Winds..........Variable winds less than 5 mph becoming west up to 6 mph in the afternoon. * Mixing Height..........7000 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ160-192300- Tracy Triangle Below 1000 ft- Including the city of Tracy 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........56-61. * 24 HR Trend..........Little change. * Max Humidity...........27-40 percent. * 24 HR Trend..........7 percent up. * 20-Foot Winds..........Northwest winds 7 to 13 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........89-94. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........4-9 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 5 to 11 mph. Local gusts up to 20 mph in the morning. * CWR....................0 percent. * Mixing Height..........8100 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........57-63. * Max Humidity...........27-42 percent. * 20-Foot Winds..........West winds 6 to 12 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........92-97. * Min Humidity...........9-14 percent. * 20-Foot Winds..........Variable winds less than 5 mph becoming north up to 7 mph in the afternoon. * Mixing Height..........8600 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ161-192300- NE San Joaquin Valley Below 1000 ft- 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........53-58. * 24 HR Trend..........Little change. * Max Humidity...........33-39 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 5 to 11 mph. Local gusts up to 20 mph in the evening. * CWR....................0 percent. * Mixing Height..........400 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........86-91. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........7-12 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Southwest winds up to 8 mph. * CWR....................0 percent. * Mixing Height..........7500 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........56-61. * Max Humidity...........39-54 percent. * 20-Foot Winds..........North winds up to 7 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........90-95. * Min Humidity...........11-16 percent. * 20-Foot Winds..........East winds up to 7 mph shifting to the west in the afternoon. * Mixing Height..........6300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ162-192300- E. Diablo Range Above 1000 ft- 203 PM PDT Mon May 18 2026 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........51-61. * 24 HR Trend..........Little change. * Max Humidity...........19-33 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........79-86. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........6-11 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * CWR....................0 percent. * Mixing Height..........8200 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........55-65. * Max Humidity...........22-37 percent. * 20-Foot Winds.......... * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........83-89. * Min Humidity...........10-15 percent. * 20-Foot Winds.......... * Mixing Height..........9400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ163-192300- W. Stanislaus County Above 1000 ft & I-5- 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........55-60. * 24 HR Trend..........Little change. * Max Humidity...........28-43 percent. * 24 HR Trend..........7 percent up. * 20-Foot Winds..........Northwest winds 8 to 14 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........400 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........87-92. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........6-11 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds 5 to 11 mph. * CWR....................0 percent. * Mixing Height..........8300 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........57-63. * Max Humidity...........23-38 percent. * 20-Foot Winds..........West winds 5 to 11 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........90-95. * Min Humidity...........10-15 percent. * 20-Foot Winds..........Southwest winds up to 6 mph shifting to the east up to 8 mph in the afternoon. * Mixing Height..........9300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ164-192300- C. Stanislaus County including Modesto- Including the city of Modesto, Turlock 203 PM PDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT... * Sky/Weather............Clear. * Min Temperature........52-57. * 24 HR Trend..........Little change. * Max Humidity...........43-48 percent. * 24 HR Trend..........12 percent up. * 20-Foot Winds..........Northwest winds 5 to 11 mph. Local gusts up to 20 mph in the evening. * CWR....................0 percent. * Mixing Height..........400 ft AGL. * Chance of thunder......0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........88-93. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........6-11 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds up to 7 mph. * CWR....................0 percent. * Mixing Height..........8300 ft AGL. * Chance of thunder......0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........55-60. * Max Humidity...........42-57 percent. * 20-Foot Winds..........Northwest winds up to 8 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .WEDNESDAY... * Sky/Weather............Mostly sunny. * Max Temperature........92-97. * Min Humidity...........9-14 percent. * 20-Foot Winds..........Variable winds less than 5 mph becoming northwest up to 6 mph in the afternoon. * Mixing Height..........7800 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ .Extended... ...Shasta County Mountains and Coastal Range .WEDNESDAY NIGHT...Clear. Lows 49 to 59. Northwest winds 5 to 15 mph. .THURSDAY...Sunny. Highs 76 to 86. Northeast winds 5 to 15 mph. .THURSDAY NIGHT...Mostly clear. Lows 52 to 62. West winds 5 to 15 mph. .FRIDAY...Sunny. Highs 75 to 85. Southeast winds up to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows 50 to 60. West winds up to 10 mph. .SATURDAY...Sunny. Highs 74 to 83. South winds up to 10 mph. .SATURDAY NIGHT...Clear. Lows 48 to 58. West winds up to 10 mph. ...Northern Sierra and Lassen Park .WEDNESDAY NIGHT...Clear. Lows 47 to 57. Northeast winds up to 10 mph. .THURSDAY...Sunny. Highs 76 to 85. West winds 5 to 15 mph. .THURSDAY NIGHT...Clear. Lows 49 to 59. East winds up to 10 mph. .FRIDAY...Sunny. Highs 75 to 84. Southwest winds up to 10 mph. .FRIDAY NIGHT...Clear. Lows 47 to 57. Variable less than 5 mph. .SATURDAY...Sunny. Highs 74 to 83. Southwest winds up to 10 mph. .SATURDAY NIGHT...Clear. Lows 47 to 57. Variable less than 5 mph. ...Sierra Nevada Foothills .WEDNESDAY NIGHT...Clear. Lows 56 to 62. Northeast winds 5 to 15 mph. .THURSDAY...Sunny. Highs 85 to 93. West winds 5 to 15 mph. .THURSDAY NIGHT...Clear. Lows 57 to 64. East winds up to 10 mph. .FRIDAY...Sunny. Highs 83 to 90. Southwest winds up to 10 mph. .FRIDAY NIGHT...Clear. Lows 56 to 62. East winds up to 10 mph. .SATURDAY...Sunny. Highs 82 to 88. Southwest winds up to 10 mph. .SATURDAY NIGHT...Clear. Lows 55 to 61. East winds up to 10 mph. ...Central Valley and Delta .WEDNESDAY NIGHT...Clear. Lows 55 to 60. Southwest winds 5 to 15 mph. .THURSDAY...Sunny. Highs 95 to 100. West winds 5 to 15 mph. .THURSDAY NIGHT...Clear. Lows 54 to 61. Southwest winds 5 to 15 mph. .FRIDAY...Sunny. Highs 91 to 96. Southwest winds up to 10 mph. .FRIDAY NIGHT...Clear. Lows 52 to 59. South winds 5 to 15 mph. .SATURDAY...Sunny. Highs 87 to 93. Southwest winds up to 10 mph. .SATURDAY NIGHT...Clear. Lows 52 to 57. Southwest winds 5 to 15 mph. $$