FNUS56 KEKA 230754 FWFEKA FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA NATIONAL WEATHER SERVICE Eureka CA 1254 AM PDT Sun Aug 23 2026 .DISCUSSION...High pressure rebuilds with warmer temperatures in the 90s and lower RHs in the teens and 20s. Overnight recoveries will be moderate to good in the lower elevations and poor in the higher elevations. Winds generally remain light and terrain driven with typical afternoon breezes. A deeper marine layer returns mid next week. CAZ401-240115- Coastal Del Norte- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy then becoming sunny. Patchy fog in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...67-75 Ridges/upr slopes....68-75 * Min Humidity....... Valleys/lwr slopes...62-76 percent Ridges/upr slopes....60-71 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 10 mph. Ridges/upr slopes....Northwest winds 5 to 10 mph. * Mixing Height..........1700 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-57 Ridges/upr slopes....53-56 * Max Humidity....... Valleys/lwr slopes...82-94 percent Ridges/upr slopes....80-90 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 6 mph in the evening...becoming light winds 2 to 4 mph. Ridges/upr slopes....Southwest winds 5 to 7 mph. * Mixing Height..........500 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Patchy dense fog early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...65-71 Ridges/upr slopes....66-72 * Min Humidity....... Valleys/lwr slopes...67-80 percent Ridges/upr slopes....66-76 percent * 20-Foot Winds... Valleys/lwr slopes...Light winds 2 to 5 mph...becoming southwest 5 to 8 mph in the afternoon. Ridges/upr slopes....Variable 2 to 5 mph...becoming southwest 5 to 8 mph in the afternoon. * Mixing Height..........1400 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Patchy fog through the night. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-54 Ridges/upr slopes....49-54 * Max Humidity....... Valleys/lwr slopes...92-100 percent Ridges/upr slopes....91-100 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 mph. Ridges/upr slopes....South winds 5 mph. * Mixing Height..........600 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ402-240115- Interior Del Norte Including the Smith River Valley- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-86 Ridges/upr slopes....73-81 * Min Humidity....... Valleys/lwr slopes...56-66 percent Ridges/upr slopes....49-59 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the west in the afternoon. Ridges/upr slopes....Northeast winds 5 to 7 mph...shifting to the northwest in the afternoon. * Mixing Height..........4600 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-59 Ridges/upr slopes....56-63 * Max Humidity....... Valleys/lwr slopes...62-77 percent Ridges/upr slopes....50-60 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 7 mph. Ridges/upr slopes....Northeast winds 5 to 8 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...77-85 Ridges/upr slopes....73-81 * Min Humidity....... Valleys/lwr slopes...59-69 percent Ridges/upr slopes....52-62 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 mph...shifting to the southwest 5 to 8 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 7 mph...shifting to the southwest 5 to 8 mph in the afternoon. * Mixing Height..........4000 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-58 Ridges/upr slopes....54-62 * Max Humidity....... Valleys/lwr slopes...72-87 percent Ridges/upr slopes....58-73 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 6 mph...shifting to the southeast 5 mph after midnight. Ridges/upr slopes....Southwest winds 5 to 7 mph...shifting to the southeast 5 to 6 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ403-240115- Northeastern Interior Humboldt and Southwestern Siskiyou Including Orleans- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...90-98 Ridges/upr slopes....77-85 * Min Humidity....... Valleys/lwr slopes...14-22 percent Ridges/upr slopes....22-30 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the west 5 to 7 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the northwest 5 to 7 mph in the afternoon. * Mixing Height..........7400 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...57-62 Ridges/upr slopes....59-62 * Max Humidity....... Valleys/lwr slopes...50-60 percent Ridges/upr slopes....34-44 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 7 mph...shifting to the northeast 5 to 6 mph after midnight. Ridges/upr slopes....North winds 5 to 7 mph...shifting to the northeast 5 to 8 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...91-99 Ridges/upr slopes....77-85 * Min Humidity....... Valleys/lwr slopes...15-21 percent Ridges/upr slopes....17-25 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the southwest 5 to 9 mph in the afternoon. Ridges/upr slopes....East winds 5 to 7 mph...shifting to the southwest 5 to 8 mph in the afternoon. * Mixing Height..........8900 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...55-62 Ridges/upr slopes....58-62 * Max Humidity....... Valleys/lwr slopes...55-65 percent Ridges/upr slopes....38-48 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph...shifting to the east 5 to 6 mph after midnight. Ridges/upr slopes....West winds 5 to 8 mph...shifting to the east 5 to 6 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ404-240115- Northern Coastal Humboldt- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Patchy fog in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...65-71 Ridges/upr slopes....around 65 * Min Humidity....... Valleys/lwr slopes...69-84 percent Ridges/upr slopes....87 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 9 mph. Ridges/upr slopes....Northwest winds 5 to 9 mph. * Mixing Height..........1500 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Patchy dense fog. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-57 Ridges/upr slopes....around 53 * Max Humidity....... Valleys/lwr slopes...87-97 percent Ridges/upr slopes....91 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 6 mph in the evening...becoming light winds 2 to 4 mph. * Mixing Height..........500 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...66-73 Ridges/upr slopes....around 67 * Min Humidity....... Valleys/lwr slopes...67-82 percent Ridges/upr slopes....70 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 10 mph. Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 6 mph in the afternoon. * Mixing Height..........1700 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Patchy fog. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-56 Ridges/upr slopes....around 52 * Max Humidity....... Valleys/lwr slopes...92-100 percent Ridges/upr slopes....93 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 6 mph...shifting to the south 5 mph after midnight. Ridges/upr slopes....Variable 1 to 3 mph. * Mixing Height..........600 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ405-240115- Northwestern Interior Humboldt Including the Bald Hills- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. Patchy fog early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...75-83 Ridges/upr slopes....72-80 * Min Humidity....... Valleys/lwr slopes...59-69 percent Ridges/upr slopes....57-67 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........2400 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-60 Ridges/upr slopes....55-63 * Max Humidity....... Valleys/lwr slopes...69-84 percent Ridges/upr slopes....54-69 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....West winds 5 to 6 mph...shifting to the southeast 5 to 7 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-86 Ridges/upr slopes....74-82 * Min Humidity....... Valleys/lwr slopes...57-67 percent Ridges/upr slopes....53-63 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 7 mph in the afternoon. Ridges/upr slopes....South winds 5 to 6 mph...shifting to the southwest 5 to 7 mph in the afternoon. * Mixing Height..........3200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. Patchy fog after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-58 Ridges/upr slopes....53-61 * Max Humidity....... Valleys/lwr slopes...75-90 percent Ridges/upr slopes....62-77 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Southwest winds 5 mph...shifting to the southeast 5 to 6 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ406-240115- Eastern Interior Humboldt Including Willow Creek and Hoopa- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Sunny. Patchy fog early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...88-96 Ridges/upr slopes....73-81 * Min Humidity....... Valleys/lwr slopes...23-31 percent Ridges/upr slopes....24-32 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the northwest 5 to 8 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the northwest 5 to 8 mph in the afternoon. * Mixing Height..........4700 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 60 Ridges/upr slopes....60-64 * Max Humidity....... Valleys/lwr slopes...51-61 percent Ridges/upr slopes....36-46 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph...shifting to the southeast 5 mph after midnight. Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to the east 5 to 8 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...92-100 Ridges/upr slopes....77-85 * Min Humidity....... Valleys/lwr slopes...19-27 percent Ridges/upr slopes....20-28 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 mph...shifting to the southwest 5 to 9 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 8 mph...shifting to the southwest 5 to 9 mph in the afternoon. * Mixing Height..........6600 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...56-59 Ridges/upr slopes....59-62 * Max Humidity....... Valleys/lwr slopes...57-72 percent Ridges/upr slopes....39-49 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph...shifting to the southeast 5 to 6 mph after midnight. Ridges/upr slopes....West winds 5 to 7 mph...shifting to the southeast after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ407-240115- Southwestern Humboldt Including the King Range and the Eel River Valley- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. Patchy fog early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...80-88 Ridges/upr slopes....73-81 * Min Humidity....... Valleys/lwr slopes...48-58 percent Ridges/upr slopes....75-85 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 10 mph. Ridges/upr slopes....North winds 5 to 12 mph. * Mixing Height..........3100 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-58 Ridges/upr slopes....56-64 * Max Humidity....... Valleys/lwr slopes...68-83 percent Ridges/upr slopes....57-72 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 9 mph. Ridges/upr slopes....North winds 5 to 11 mph...shifting to the northeast 5 to 8 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...80-88 Ridges/upr slopes....73-81 * Min Humidity....... Valleys/lwr slopes...42-52 percent Ridges/upr slopes....53-63 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 8 mph. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........2400 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Partly cloudy. Patchy fog early in the morning. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-56 Ridges/upr slopes....53-59 * Max Humidity....... Valleys/lwr slopes...79-94 percent Ridges/upr slopes....67-82 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 6 mph...shifting to the south 5 mph after midnight. Ridges/upr slopes....Variable 2 to 4 mph...becoming south 5 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ408-240115- Southeastern Interior Humboldt Including Kneeland and Alderpoint- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Sunny. Patchy fog early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...77-85 Ridges/upr slopes....71-79 * Min Humidity....... Valleys/lwr slopes...57-67 percent Ridges/upr slopes....60-70 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........4600 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-59 Ridges/upr slopes....55-63 * Max Humidity....... Valleys/lwr slopes...64-79 percent Ridges/upr slopes....55-65 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph...shifting to the northeast 5 mph after midnight. Ridges/upr slopes....North winds 5 to 6 mph...shifting to the east after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...81-89 Ridges/upr slopes....74-82 * Min Humidity....... Valleys/lwr slopes...40-50 percent Ridges/upr slopes....47-57 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 mph...shifting to the southwest 5 to 8 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 6 mph...shifting to the southwest 5 to 9 mph in the afternoon. * Mixing Height..........4400 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-57 Ridges/upr slopes....53-61 * Max Humidity....... Valleys/lwr slopes...71-86 percent Ridges/upr slopes....57-72 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 6 mph...shifting to the east 5 mph after midnight. Ridges/upr slopes....West winds 5 to 6 mph...shifting to the southeast 5 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ409-240115- Northwestern Trinity Including Salyer and Big Bar- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...89-97 Ridges/upr slopes....76-84 * Min Humidity....... Valleys/lwr slopes...14-19 percent Ridges/upr slopes....15-20 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming northwest 5 to 9 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the southwest 5 to 8 mph in the afternoon. * Mixing Height..........7300 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...56-60 Ridges/upr slopes....57-62 * Max Humidity....... Valleys/lwr slopes...46-56 percent Ridges/upr slopes....31-41 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 9 mph...shifting to the east 5 mph after midnight. Ridges/upr slopes....Northwest winds 5 to 8 mph...shifting to the east after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...92-100 Ridges/upr slopes....76-84 * Min Humidity....... Valleys/lwr slopes...14-19 percent Ridges/upr slopes....14-21 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to the south 5 to 8 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 10 mph. * Mixing Height..........8400 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...55-60 Ridges/upr slopes....57-62 * Max Humidity....... Valleys/lwr slopes...51-61 percent Ridges/upr slopes....33-43 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph...shifting to the southeast 5 to 6 mph after midnight. Ridges/upr slopes....Southwest winds 5 to 9 mph...shifting to the east 5 to 8 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ410-240115- Northeastern Trinity Including Trinity Lake- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...87-95 Ridges/upr slopes....74-82 * Min Humidity....... Valleys/lwr slopes...11-16 percent Ridges/upr slopes....13-20 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming south 5 to 6 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the south in the afternoon. * Mixing Height..........8400 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...57-62 Ridges/upr slopes....53-61 * Max Humidity....... Valleys/lwr slopes...39-47 percent Ridges/upr slopes....27-35 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to the north 5 mph after midnight. Ridges/upr slopes....Southeast winds 5 to 7 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...85-93 Ridges/upr slopes....72-80 * Min Humidity....... Valleys/lwr slopes...13-18 percent Ridges/upr slopes....16-23 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 11 mph. Ridges/upr slopes....Southeast winds 5 to 11 mph. * Mixing Height..........7400 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...57-62 Ridges/upr slopes....52-60 * Max Humidity....... Valleys/lwr slopes...44-54 percent Ridges/upr slopes....31-41 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to the north 5 mph after midnight. Ridges/upr slopes....South winds 5 to 9 mph...shifting to the east 5 to 7 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ411-240115- Eastern Trinity Including Weaverville and Hayfork- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...91-97 Ridges/upr slopes....79-87 * Min Humidity....... Valleys/lwr slopes...12-17 percent Ridges/upr slopes....14-22 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming southwest 5 to 6 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 8 mph. * Mixing Height..........8800 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-61 Ridges/upr slopes....57-61 * Max Humidity....... Valleys/lwr slopes...44-54 percent Ridges/upr slopes....34-44 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 6 mph...shifting to the northeast 5 mph after midnight. Ridges/upr slopes....West winds 5 to 7 mph...shifting to the east 5 to 6 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...89-96 Ridges/upr slopes....78-86 * Min Humidity....... Valleys/lwr slopes...12-17 percent Ridges/upr slopes....15-23 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 8 mph. Ridges/upr slopes....Southeast winds 5 to 9 mph. * Mixing Height..........8900 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Clear then becoming partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-60 Ridges/upr slopes....57-61 * Max Humidity....... Valleys/lwr slopes...47-57 percent Ridges/upr slopes....38-48 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Southwest winds 5 to 7 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ412-240115- Southern Trinity Including Ruth Lake and the Yolla Bollys- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Sunny then becoming partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...87-95 Ridges/upr slopes....78-86 * Min Humidity....... Valleys/lwr slopes...16-24 percent Ridges/upr slopes....17-25 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northeast winds 5 to 7 mph...shifting to the west in the afternoon. * Mixing Height..........7500 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-61 Ridges/upr slopes....53-61 * Max Humidity....... Valleys/lwr slopes...53-63 percent Ridges/upr slopes....49-59 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph in the evening...becoming downslope/downvalley 2 to 5 mph. Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to the east after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-94 Ridges/upr slopes....77-85 * Min Humidity....... Valleys/lwr slopes...20-28 percent Ridges/upr slopes....16-24 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming southwest 5 to 9 mph in the afternoon. Ridges/upr slopes....South winds 5 to 9 mph. * Mixing Height..........6700 ft AGL. * Chc of Wetting Rain....0percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-58 Ridges/upr slopes....52-60 * Max Humidity....... Valleys/lwr slopes...56-71 percent Ridges/upr slopes....49-59 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph...shifting to the east 5 mph after midnight. Ridges/upr slopes....West winds 5 to 7 mph...shifting to the east 5 to 6 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ413-240115- Coastal Mendocino- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. Patchy fog in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...70-78 Ridges/upr slopes....74-82 * Min Humidity....... Valleys/lwr slopes...69-79 percent Ridges/upr slopes....53-63 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........1300 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Patchy fog in the late evening and overnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-54 Ridges/upr slopes....51-57 * Max Humidity....... Valleys/lwr slopes...88-98 percent Ridges/upr slopes....79-94 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to the east 5 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Mostly cloudy then becoming sunny. Patchy fog in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...65-73 Ridges/upr slopes....66-74 * Min Humidity....... Valleys/lwr slopes...71-86 percent Ridges/upr slopes....65-80 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 7 mph in the afternoon. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........1200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Patchy fog through the night. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-52 Ridges/upr slopes....48-54 * Max Humidity....... Valleys/lwr slopes...93-100 percent Ridges/upr slopes....86-100 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....West winds 5 mph...shifting to the north after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ414-240115- Northern Interior Mendocino Including Leggett and Willits- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...88-96 Ridges/upr slopes....81-89 * Min Humidity....... Valleys/lwr slopes...19-27 percent Ridges/upr slopes....22-30 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting tothe west 5 to 7 mph in the afternoon. Ridges/upr slopes....North winds 5 to 9 mph...shifting to the west 5 to 6 mph in the afternoon. * Mixing Height..........5800 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-60 Ridges/upr slopes....55-63 * Max Humidity....... Valleys/lwr slopes...58-73 percent Ridges/upr slopes....54-64 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to the east 5 mph after midnight. Ridges/upr slopes....North winds 5 to 6 mph...shifting to the east after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...84-92 Ridges/upr slopes....77-85 * Min Humidity....... Valleys/lwr slopes...31-39 percent Ridges/upr slopes....43-53 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 8 mph. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........4300 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-57 Ridges/upr slopes....50-58 * Max Humidity....... Valleys/lwr slopes...66-81 percent Ridges/upr slopes....65-80 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Southwest winds 5 to 6 mph...shifting to the east 5 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ415-240115- Northeastern Interior Mendocino Including Covelo- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...89-97 Ridges/upr slopes....78-86 * Min Humidity....... Valleys/lwr slopes...14-21 percent Ridges/upr slopes....14-22 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 mph...shifting to the west 5 to 7 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 7 mph...shifting to the southwest in the afternoon. * Mixing Height..........7600 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-62 Ridges/upr slopes....58-65 * Max Humidity....... Valleys/lwr slopes...53-63 percent Ridges/upr slopes....37-47 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph...shifting to the east 5 mph after midnight. Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to the southeast 5 to 6 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...88-95 Ridges/upr slopes....77-85 * Min Humidity....... Valleys/lwr slopes...17-22 percent Ridges/upr slopes....17-24 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming southwest 5 to 9 mph in the afternoon. Ridges/upr slopes....South winds 5 to 9 mph. * Mixing Height..........6400 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-62 Ridges/upr slopes....57-63 * Max Humidity....... Valleys/lwr slopes...54-64 percent Ridges/upr slopes....43-53 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 7 mph...shifting to the northeast 5 mph after midnight. Ridges/upr slopes....Southwest winds 5 to 7 mph...shifting to the northeast 5 to 6 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ416-240115- Southeastern Interior Mendocino Including Ukiah and Potter Valley- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...89-97 Ridges/upr slopes....82-90 * Min Humidity....... Valleys/lwr slopes...17-24 percent Ridges/upr slopes....17-25 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 mph...shifting to the southwest 5 to 8 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 7 mph...shifting to the southwest 5 to 8 mph in the afternoon. * Mixing Height..........7000 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...55-63 Ridges/upr slopes....61-68 * Max Humidity....... Valleys/lwr slopes...56-71 percent Ridges/upr slopes....43-53 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph in the evening...becoming downslope/downvalley 2 to 5 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-94 Ridges/upr slopes....79-87 * Min Humidity....... Valleys/lwr slopes...25-33 percent Ridges/upr slopes....30-38 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming southwest 5 to 8 mph in the afternoon. Ridges/upr slopes....Variable 2 to 5 mph...becoming southwest 5 to 9 mph in the afternoon. * Mixing Height..........5400 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-60 Ridges/upr slopes....58-65 * Max Humidity....... Valleys/lwr slopes...65-80 percent Ridges/upr slopes....53-68 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph...shifting to the north 5 to 6 mph after midnight. Ridges/upr slopes....West winds 5 to 7 mph...shifting to the northwest 5 to 6 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ417-240115- Southwestern Interior Mendocino Including Boonville- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy then becoming sunny. Patchy fog early inthe morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...83-91 Ridges/upr slopes....81-89 * Min Humidity....... Valleys/lwr slopes...34-42 percent Ridges/upr slopes....33-41 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to the west in the afternoon. * Mixing Height..........4100 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-61 Ridges/upr slopes....55-63 * Max Humidity....... Valleys/lwr slopes...66-81 percent Ridges/upr slopes....58-73 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-86 Ridges/upr slopes....76-84 * Min Humidity....... Valleys/lwr slopes...48-58 percent Ridges/upr slopes....49-59 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 7 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 7 mph in the afternoon. * Mixing Height..........2500 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Clear then becoming partly cloudy then becoming mostly cloudy. Patchy fog after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-57 Ridges/upr slopes....52-60 * Max Humidity....... Valleys/lwr slopes...79-94 percent Ridges/upr slopes....72-87 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....West winds 5 to 6 mph...shifting to the north 5 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ418-240115- Northern Lake Including Gravelly Valley- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...94-99 Ridges/upr slopes....79-87 * Min Humidity....... Valleys/lwr slopes...11-15 percent Ridges/upr slopes....13-21 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 7 mph...shifting to the southwest 5 to 6 mph in the afternoon. Ridges/upr slopes....East winds 5 to 8 mph...shifting to the south 5 to 7 mph in the afternoon. * Mixing Height..........7100 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...56-64 Ridges/upr slopes....60-68 * Max Humidity....... Valleys/lwr slopes...47-57 percent Ridges/upr slopes....33-43 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 6 mph...shifting tothe north after midnight. Ridges/upr slopes....West winds 5 to 7 mph...shifting to the east 5 to 6 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...93-97 Ridges/upr slopes....78-86 * Min Humidity....... Valleys/lwr slopes...12-20 percent Ridges/upr slopes....17-23 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming southwest 5 to 8 mph in the afternoon. Ridges/upr slopes....South winds 5 to 9 mph. * Mixing Height..........6000 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-62 Ridges/upr slopes....58-65 * Max Humidity....... Valleys/lwr slopes...50-60 percent Ridges/upr slopes....40-50 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 9 mph...shifting to the north 5 to 7 mph after midnight. Ridges/upr slopes....Southwest winds 5 to 9 mph...shifting to the northwest 5 to 8 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ419-240115- Eastern Lake Including Clearlake and Middletown- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...93-96 Ridges/upr slopes....86-91 * Min Humidity....... Valleys/lwr slopes...13-19 percent Ridges/upr slopes....13-19 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to the south 5 to 7 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 10 mph...shifting to the south 5 to 7 mph in the afternoon. * Mixing Height..........7100 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...56-64 Ridges/upr slopes....61-69 * Max Humidity....... Valleys/lwr slopes...53-68 percent Ridges/upr slopes....44-54 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 7 mph...shifting to the northwest 5 mph after midnight. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...91-95 Ridges/upr slopes....86-90 * Min Humidity....... Valleys/lwr slopes...17-25 percent Ridges/upr slopes....17-23 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming southwest 5 to 10 mph in the afternoon. Ridges/upr slopes....Southwest winds 5 to 9 mph. * Mixing Height..........5400 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-62 Ridges/upr slopes....58-66 * Max Humidity....... Valleys/lwr slopes...58-73 percent Ridges/upr slopes....49-59 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ420-240115- Southern Lake Including Cobb and Konocti- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...91-95 Ridges/upr slopes....83-90 * Min Humidity....... Valleys/lwr slopes...16-21 percent Ridges/upr slopes....17-25 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 6 mph...shifting to the south 5 to 9 mph in the afternoon. Ridges/upr slopes....East winds 5 to 8 mph...shifting to the south in the afternoon. * Mixing Height..........6000 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...58-66 Ridges/upr slopes....65-70 * Max Humidity....... Valleys/lwr slopes...47-57 percent Ridges/upr slopes....39-46 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 9 mph. Ridges/upr slopes....Southwest winds 5 to 9 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...88-92 Ridges/upr slopes....79-86 * Min Humidity....... Valleys/lwr slopes...23-31 percent Ridges/upr slopes....27-35 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming southwest 5 to 11 mph in the afternoon. Ridges/upr slopes....Southwest winds 5 to 9 mph. * Mixing Height..........4000 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...56-64 Ridges/upr slopes....62-66 * Max Humidity....... Valleys/lwr slopes...52-62 percent Ridges/upr slopes....47-57 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ421-240115- Western Lake Including Lakeport- 1254 AM PDT Sun Aug 23 2026 .TODAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...88-95 Ridges/upr slopes....84-90 * Min Humidity....... Valleys/lwr slopes...15-23 percent Ridges/upr slopes....15-20 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 8 mph. Ridges/upr slopes....South winds 5 to 8 mph. * Mixing Height..........7200 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...57-64 Ridges/upr slopes....62-70 * Max Humidity....... Valleys/lwr slopes...54-64 percent Ridges/upr slopes....36-46 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-93 Ridges/upr slopes....82-87 * Min Humidity....... Valleys/lwr slopes...23-31 percent Ridges/upr slopes....19-26 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming southwest 5 to 8 mph in the afternoon. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........5600 ft AGL. * Chc of Wetting Rain....0 percent. .MONDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...55-61 Ridges/upr slopes....59-67 * Max Humidity....... Valleys/lwr slopes...54-69 percent Ridges/upr slopes....46-56 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 7 mph...shifting to the northwest 5 to 6 mph after midnight. Ridges/upr slopes....West winds 5 to 8 mph...shifting to the northwest 5 to 6 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ .EXTENDED FORECAST FOR DAYS 3 THROUGH 5... ...Northwest California Coast... .TUESDAY...Mostly cloudy. Patchy fog in the morning. Patchy fog. Lows in the lower to mid 50s. Highs 61 to 67. Winds generally less than 5 mph. .WEDNESDAY...Mostly cloudy. Patchy fog in the morning. Patchy fog after midnight. Lows in the lower to mid 50s. Highs 61 to 69. North winds 5 mph. .THURSDAY...Mostly cloudy. Patchy fog in the morning. Patchy fog after midnight. Lows in the lower 50s. Highs 61 to 68. North winds 5 mph. ...Northwest California Interior... .TUESDAY...Partly cloudy. Lows 53 to 61. Highs 81 to 92. West winds 5 mph. .WEDNESDAY...Partly cloudy. Lows 53 to 61. Highs 83 to 94. Northwest winds 5 mph. .THURSDAY...Mostly clear. Lows 53 to 61. Highs 82 to 94. Northwest winds 5 mph. .6 to 10 DAY OUTLOOK...Friday August 28 THROUGH Tuesday September 1, 2026... FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION. $$ visit us at www.weather.gov/eureka