FNUS56 KEKA 190818 FWFEKA FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA NATIONAL WEATHER SERVICE Eureka CA 118 AM PDT Tue May 19 2026 .DISCUSSION...A gradual warming trend is expected through Thursday. Typical afternoon breezes are expected each day with a few gusts approacching 25 mph closer to the coast. High pressure will weaken through the weekend, allowing for cooler daytime highs. CAZ401-200230- Coastal Del Norte- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...64-71 Ridges/upr slopes....66-72 * Min Humidity....... Valleys/lwr slopes...53-63 percent Ridges/upr slopes....48-58 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 12 mph. Ridges/upr slopes....Northwest winds 5 to 12 mph. * Mixing Height..........1600 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-54 Ridges/upr slopes....50-53 * Max Humidity....... Valleys/lwr slopes...78-88 percent Ridges/upr slopes....79-89 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 11 mph. Ridges/upr slopes....North winds 5 to 11 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...64-71 Ridges/upr slopes....65-72 * Min Humidity....... Valleys/lwr slopes...57-67 percent Ridges/upr slopes....53-63 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 9 to 16 mph. Ridges/upr slopes....North winds 9 to 16 mph. * Mixing Height..........2000 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-54 Ridges/upr slopes....49-52 * Max Humidity....... Valleys/lwr slopes...79-89 percent Ridges/upr slopes....81-91 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 9 to 16 mph. Ridges/upr slopes....Northwest winds 5 to 11 mph...shifting to the northeast 5 to 6 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ402-200230- Interior Del Norte Including the Smith River Valley- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...71-79 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...43-53 percent Ridges/upr slopes....38-48 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 8 mph. Ridges/upr slopes....North winds 5 to 10 mph. * Mixing Height..........5100 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-53 Ridges/upr slopes....48-52 * Max Humidity....... Valleys/lwr slopes...68-79 percent Ridges/upr slopes....56-71 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 8 mph. Ridges/upr slopes....Northeast winds 5 to 11 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...71-79 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...47-57 percent Ridges/upr slopes....43-53 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to the north 5 to 8 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 11 mph...shifting to the north 5 to 9 mph in the afternoon. * Mixing Height..........4500 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-54 Ridges/upr slopes....50-54 * Max Humidity....... Valleys/lwr slopes...67-81 percent Ridges/upr slopes....55-70 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 8 mph. Ridges/upr slopes....Northeast winds 5 to 11 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ403-200230- Northeastern Interior Humboldt and Southwestern Siskiyou Including Orleans- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-86 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...24-32 percent Ridges/upr slopes....31-40 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to the northwest 5 to 8 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 9 mph...shifting to the northwest 5 to 10 mph in the afternoon. * Mixing Height..........6600 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-52 Ridges/upr slopes....46-51 * Max Humidity....... Valleys/lwr slopes...65-79 percent Ridges/upr slopes....53-68 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph...shifting to the northeast 5 to 6 mph after midnight. Ridges/upr slopes....North winds 5 to 10 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...79-87 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...29-37 percent Ridges/upr slopes....36-46 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to the northwest in the afternoon. Ridges/upr slopes....Northeast winds 5 to 8 mph...shifting to the northwest in the afternoon. * Mixing Height..........7100 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-54 Ridges/upr slopes....50-55 * Max Humidity....... Valleys/lwr slopes...64-76 percent Ridges/upr slopes....54-64 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph...shifting to the northeast 5 mph after midnight. Ridges/upr slopes....Northwest winds 5 to 9 mph...shifting to the northeast after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ404-200230- Northern Coastal Humboldt- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. Patchy fog early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...62-68 Ridges/upr slopes....around 60 * Min Humidity....... Valleys/lwr slopes...57-72 percent Ridges/upr slopes....64 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 10 mph. Ridges/upr slopes....Northwest winds 5 to 10 mph. * Mixing Height..........1900 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly cloudy. Patchy fog after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 50 Ridges/upr slopes....around 48 * Max Humidity....... Valleys/lwr slopes...91-100 percent Ridges/upr slopes....88 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 9 mph in the evening...becoming light winds 2 to 4 mph. Ridges/upr slopes....North winds 5 to 8 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Patchy fog early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...61-67 Ridges/upr slopes....around 58 * Min Humidity....... Valleys/lwr slopes...63-78 percent Ridges/upr slopes....73 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming northwest 5 to 10 mph in the afternoon. Ridges/upr slopes....North winds 5 to 10 mph. * Mixing Height..........2000 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Partly cloudy. Patchy fog after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 50 Ridges/upr slopes....around 48 * Max Humidity....... Valleys/lwr slopes...91-100 percent Ridges/upr slopes....86 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 10 mph in the evening...becoming downslope/downvalley 2 to 5 mph. Ridges/upr slopes....North winds 6 to 11 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ405-200230- Northwestern Interior Humboldt Including the Bald Hills- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...68-76 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...47-57 percent Ridges/upr slopes....45-55 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 mph...shifting to the northwest 5 to 6 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..........2800 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-51 Ridges/upr slopes....46-50 * Max Humidity....... Valleys/lwr slopes...76-91 percent Ridges/upr slopes....68-83 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 mph in the evening...becoming downslope/downvalley 1 to 3 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph in the evening...becoming downslope/downvalley 2 to 5 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...68-76 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...55-65 percent Ridges/upr slopes....52-62 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming northwest 5 to 6 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 mph...shifting to the northwest 5 to 8 mph in the afternoon. * Mixing Height..........2700 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-52 Ridges/upr slopes....46-53 * Max Humidity....... Valleys/lwr slopes...79-94 percent Ridges/upr slopes....71-86 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 8 mph in the evening...becoming downslope/downvalley 2 to 5 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ406-200230- Eastern Interior Humboldt Including Willow Creek and Hoopa- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...76-84 Ridges/upr slopes....61-69 * Min Humidity....... Valleys/lwr slopes...31-39 percent Ridges/upr slopes....32-40 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming northwest 5 to 7 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 8 mph...shifting to the northwest 5 to 11 mph in the afternoon. * Mixing Height..........4400 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 50 Ridges/upr slopes....around 50 * Max Humidity....... Valleys/lwr slopes...68-83 percent Ridges/upr slopes....54-69 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 11 mph...shifting to the northeast 5 to 6 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...77-85 Ridges/upr slopes....62-70 * Min Humidity....... Valleys/lwr slopes...37-47 percent Ridges/upr slopes....39-49 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming northwest 5 to 6 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 7 mph...shifting to the northwest 5 to 10 mph in the afternoon. * Mixing Height..........4500 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-54 Ridges/upr slopes....52-55 * Max Humidity....... Valleys/lwr slopes...69-84 percent Ridges/upr slopes....56-71 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 10 mph...shifting to the east 5 to 6 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ407-200230- Southwestern Humboldt Including the King Range and the Eel River Valley- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...73-81 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...39-49 percent Ridges/upr slopes....50-60 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 9 mph. Ridges/upr slopes....North winds 8 to 15 mph. * Mixing Height..........2300 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 50 Ridges/upr slopes....47-51 * Max Humidity....... Valleys/lwr slopes...81-96 percent Ridges/upr slopes....74-89 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 9 mph. Ridges/upr slopes....North winds 5 to 11 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...72-80 Ridges/upr slopes....61-69 * Min Humidity....... Valleys/lwr slopes...48-58 percent Ridges/upr slopes....62-72 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 12 mph. Ridges/upr slopes....North winds 6 to 13 mph. * Mixing Height..........2300 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-51 Ridges/upr slopes....47-51 * Max Humidity....... Valleys/lwr slopes...79-94 percent Ridges/upr slopes....72-85 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 7 to 14 mph. Ridges/upr slopes....North winds 7 to 14 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ408-200230- Southeastern Interior Humboldt Including Kneeland and Alderpoint- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...70-78 Ridges/upr slopes....64-70 * Min Humidity....... Valleys/lwr slopes...47-57 percent Ridges/upr slopes....50-60 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 9 mph. Ridges/upr slopes....Northwest winds 5 to 10 mph. * Mixing Height..........3900 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-51 Ridges/upr slopes....46-51 * Max Humidity....... Valleys/lwr slopes...78-93 percent Ridges/upr slopes....65-80 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 9 mph in the evening...becoming downslope/downvalley 2 to 5 mph. Ridges/upr slopes....North winds 5 to 10 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...70-78 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...57-67 percent Ridges/upr slopes....60-70 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming northwest 5 to 8 mph in the afternoon. Ridges/upr slopes....North winds 5 mph...shifting to the northwest 5 to 9 mph in the afternoon. * Mixing Height..........3600 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-53 Ridges/upr slopes....48-55 * Max Humidity....... Valleys/lwr slopes...77-92 percent Ridges/upr slopes....65-80 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 9 mph...shifting to the north 5 mph after midnight. Ridges/upr slopes....Northwest winds 5 to 9 mph...shifting to the northeast 5 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ409-200230- Northwestern Trinity Including Salyer and Big Bar- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...77-85 Ridges/upr slopes....62-70 * Min Humidity....... Valleys/lwr slopes...23-31 percent Ridges/upr slopes....24-32 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming northwest 5 to 9 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 9 mph...shifting to the west 5 to 12 mph in the afternoon. * Mixing Height..........6900 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 50 Ridges/upr slopes....47-52 * Max Humidity....... Valleys/lwr slopes...64-79 percent Ridges/upr slopes....50-60 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 9 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....North winds 5 to 12 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-86 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...30-38 percent Ridges/upr slopes....31-39 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 6 mph in the afternoon. Ridges/upr slopes....North winds 5 to 8 mph...shifting to the west in the afternoon. * Mixing Height..........7600 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-55 Ridges/upr slopes....51-56 * Max Humidity....... Valleys/lwr slopes...64-79 percent Ridges/upr slopes....53-63 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....West winds 5 to 11 mph...shifting to the northeast 5 to 7 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ410-200230- Northeastern Trinity Including Trinity Lake- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...76-84 Ridges/upr slopes....61-69 * Min Humidity....... Valleys/lwr slopes...17-22 percent Ridges/upr slopes....22-30 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....North winds 5 to 9 mph. * Mixing Height..........7900 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-52 Ridges/upr slopes....43-51 * Max Humidity....... Valleys/lwr slopes...55-69 percent Ridges/upr slopes....43-53 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 mph. Ridges/upr slopes....Northwest winds 5 to 10 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...79-87 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...19-25 percent Ridges/upr slopes....26-34 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....North winds 5 to 9 mph...shifting to the southeast 5 to 7 mph in the afternoon. * Mixing Height..........8800 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-56 Ridges/upr slopes....47-55 * Max Humidity....... Valleys/lwr slopes...55-70 percent Ridges/upr slopes....45-55 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ411-200230- Eastern Trinity Including Weaverville and Hayfork- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...79-85 Ridges/upr slopes....67-75 * Min Humidity....... Valleys/lwr slopes...16-21 percent Ridges/upr slopes....19-27 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming northwest 5 to 6 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 9 mph. * Mixing Height..........7600 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-51 Ridges/upr slopes....49-52 * Max Humidity....... Valleys/lwr slopes...59-74 percent Ridges/upr slopes....51-61 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 9 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...83-89 Ridges/upr slopes....70-78 * Min Humidity....... Valleys/lwr slopes...19-25 percent Ridges/upr slopes....24-32 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....Northwest winds 5 to 7 mph. * Mixing Height..........9000 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-54 Ridges/upr slopes....53-56 * Max Humidity....... Valleys/lwr slopes...58-73 percent Ridges/upr slopes....51-61 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....Northwest winds 5 to 8 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ412-200230- Southern Trinity Including Ruth Lake and the Yolla Bollys- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...73-81 Ridges/upr slopes....67-75 * Min Humidity....... Valleys/lwr slopes...29-37 percent Ridges/upr slopes....21-29 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming northwest 5 to 7 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the northwest 5 to 10 mph in the afternoon. * Mixing Height..........7000 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-53 Ridges/upr slopes....45-52 * Max Humidity....... Valleys/lwr slopes...63-76 percent Ridges/upr slopes....57-72 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 10 mph...shifting to the northeast after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...76-83 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...34-42 percent Ridges/upr slopes....30-38 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 6 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 7 mph in the afternoon. * Mixing Height..........8100 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-55 Ridges/upr slopes....48-56 * Max Humidity....... Valleys/lwr slopes...66-77 percent Ridges/upr slopes....57-72 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....West winds 5 to 9 mph in the evening...becoming downslope/downvalley 2 to 5 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ413-200230- Coastal Mendocino- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...70-78 Ridges/upr slopes....73-81 * Min Humidity....... Valleys/lwr slopes...49-59 percent Ridges/upr slopes....36-46 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........1600 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. Patchy fog early in the morning. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-52 Ridges/upr slopes....47-55 * Max Humidity....... Valleys/lwr slopes...78-93 percent Ridges/upr slopes....73-88 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 mph. Ridges/upr slopes....North winds 5 to 7 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Partly cloudy then becoming sunny. Patchy fog early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...68-76 Ridges/upr slopes....71-79 * Min Humidity....... Valleys/lwr slopes...60-70 percent Ridges/upr slopes....44-54 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming northwest 5 to 6 mph in the afternoon. Ridges/upr slopes....Northwest winds 5 to 7 mph. * Mixing Height..........1600 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. Patchy fog after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-51 Ridges/upr slopes....47-54 * Max Humidity....... Valleys/lwr slopes...81-96 percent Ridges/upr slopes....77-92 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph. Ridges/upr slopes....North winds 5 to 7 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ414-200230- Northern Interior Mendocino Including Leggett and Willits- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...79-85 Ridges/upr slopes....72-80 * Min Humidity....... Valleys/lwr slopes...20-28 percent Ridges/upr slopes....23-31 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 6 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..........6200 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-51 Ridges/upr slopes....47-55 * Max Humidity....... Valleys/lwr slopes...69-84 percent Ridges/upr slopes....66-81 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....North winds 5 to 8 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...80-87 Ridges/upr slopes....73-81 * Min Humidity....... Valleys/lwr slopes...29-37 percent Ridges/upr slopes....32-40 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 6 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 mph...shifting to the west 5 to 7 mph in the afternoon. * Mixing Height..........6300 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-54 Ridges/upr slopes....49-57 * Max Humidity....... Valleys/lwr slopes...70-85 percent Ridges/upr slopes....67-82 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 7 mph...shifting to the northeast 5 to 6 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ415-200230- Northeastern Interior Mendocino Including Covelo- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...77-85 Ridges/upr slopes....67-75 * Min Humidity....... Valleys/lwr slopes...21-29 percent Ridges/upr slopes....20-28 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....Northeast winds 5 to 6 mph...shifting to the northwest 5 to 9 mph in the afternoon. * Mixing Height..........7500 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-56 Ridges/upr slopes....51-57 * Max Humidity....... Valleys/lwr slopes...59-74 percent Ridges/upr slopes....48-58 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 9 mph...shifting to the northeast 5 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...80-88 Ridges/upr slopes....70-78 * Min Humidity....... Valleys/lwr slopes...25-33 percent Ridges/upr slopes....25-33 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 mph...shifting to the southwest 5 to 8 mph in the afternoon. * Mixing Height..........8500 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-59 Ridges/upr slopes....54-60 * Max Humidity....... Valleys/lwr slopes...58-73 percent Ridges/upr slopes....47-57 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....West winds 5 to 9 mph...shifting to the northeast 5 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ416-200230- Southeastern Interior Mendocino Including Ukiah and Potter Valley- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...81-88 Ridges/upr slopes....76-82 * Min Humidity....... Valleys/lwr slopes...15-21 percent Ridges/upr slopes....14-20 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming northwest 5 to 8 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the northwest 5 to 9 mph in the afternoon. * Mixing Height..........7900 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-58 Ridges/upr slopes....55-63 * Max Humidity....... Valleys/lwr slopes...53-68 percent Ridges/upr slopes....43-53 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....North winds 5 to 9 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...82-90 Ridges/upr slopes....78-84 * Min Humidity....... Valleys/lwr slopes...20-28 percent Ridges/upr slopes....21-29 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming southwest 5 to 7 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 mph...shifting to the southwest 5 to 8 mph in the afternoon. * Mixing Height..........7700 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-61 Ridges/upr slopes....57-65 * Max Humidity....... Valleys/lwr slopes...53-68 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 4 mph. Ridges/upr slopes....West winds 5 to 8 mph...shifting to the north 5 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ417-200230- Southwestern Interior Mendocino Including Boonville- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...79-87 Ridges/upr slopes....76-84 * Min Humidity....... Valleys/lwr slopes...24-32 percent Ridges/upr slopes....26-34 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming northwest 5 to 6 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming northwest 5 to 7 mph in the afternoon. * Mixing Height..........6500 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-56 Ridges/upr slopes....50-58 * Max Humidity....... Valleys/lwr slopes...67-82 percent Ridges/upr slopes....61-76 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....North winds 5 to 8 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-86 Ridges/upr slopes....75-83 * Min Humidity....... Valleys/lwr slopes...37-45 percent Ridges/upr slopes....36-46 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 6 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 6 mph in the afternoon. * Mixing Height..........5000 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-59 Ridges/upr slopes....52-60 * Max Humidity....... Valleys/lwr slopes...68-83 percent Ridges/upr slopes....62-77 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...shifting to the north 5 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ418-200230- Northern Lake Including Gravelly Valley- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...83-87 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...13-17 percent Ridges/upr slopes....14-22 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 7 mph...shifting to the northwest in the afternoon. Ridges/upr slopes....Northeast winds 5 to 8 mph. * Mixing Height..........7900 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-58 Ridges/upr slopes....53-61 * Max Humidity....... Valleys/lwr slopes...46-56 percent Ridges/upr slopes....32-42 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 8 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-90 Ridges/upr slopes....72-80 * Min Humidity....... Valleys/lwr slopes...16-21 percent Ridges/upr slopes....19-27 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....Northeast winds 5 mph...shifting to the south 5 to 9 mph in the afternoon. * Mixing Height..........8900 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-61 Ridges/upr slopes....56-64 * Max Humidity....... Valleys/lwr slopes...48-58 percent Ridges/upr slopes....33-43 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 10 mph in the evening...becoming downslope/downvalley 2 to 5 mph. Ridges/upr slopes....Southwest winds 5 to 12 mph...shifting to the north 5 to 6 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ419-200230- Eastern Lake Including Clearlake and Middletown- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...83-88 Ridges/upr slopes....76-83 * Min Humidity....... Valleys/lwr slopes...11-14 percent Ridges/upr slopes....11-16 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 8 mph. Ridges/upr slopes....North winds 5 to 10 mph. * Mixing Height..........8300 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-57 Ridges/upr slopes....56-64 * Max Humidity....... Valleys/lwr slopes...47-57 percent Ridges/upr slopes....32-42 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 8 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-90 Ridges/upr slopes....79-85 * Min Humidity....... Valleys/lwr slopes...16-21 percent Ridges/upr slopes....16-22 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....North winds 5 mph...shifting to the southeast 5 to 7 mph in the afternoon. * Mixing Height..........9500 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-59 Ridges/upr slopes....59-67 * Max Humidity....... Valleys/lwr slopes...50-60 percent Ridges/upr slopes....34-44 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 8 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Southwest winds 7 to 12 mph...shifting to the northwest 5 to 7 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ420-200230- Southern Lake Including Cobb and Konocti- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...83-87 Ridges/upr slopes....76-83 * Min Humidity....... Valleys/lwr slopes...12-15 percent Ridges/upr slopes....12-15 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 7 mph. Ridges/upr slopes....Northeast winds 5 to 8 mph. * Mixing Height..........8200 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-60 Ridges/upr slopes....60-64 * Max Humidity....... Valleys/lwr slopes...44-54 percent Ridges/upr slopes....30-40 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 8 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-89 Ridges/upr slopes....77-85 * Min Humidity....... Valleys/lwr slopes...17-22 percent Ridges/upr slopes....17-22 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 mph...shifting to the south 5 to 8 mph in the afternoon. * Mixing Height..........8700 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-62 Ridges/upr slopes....61-67 * Max Humidity....... Valleys/lwr slopes...44-54 percent Ridges/upr slopes....32-42 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 8 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Southwest winds 5 to 9 mph in the evening...becoming downslope/downvalley 2 to 5 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ421-200230- Western Lake Including Lakeport- 118 AM PDT Tue May 19 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...81-86 Ridges/upr slopes....around 80 * Min Humidity....... Valleys/lwr slopes...14-19 percent Ridges/upr slopes....14-17 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming north 5 to 8 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 mph...shifting to the northwest in the afternoon. * Mixing Height..........8300 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-55 Ridges/upr slopes....55-63 * Max Humidity....... Valleys/lwr slopes...51-61 percent Ridges/upr slopes....38-48 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 10 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...83-88 Ridges/upr slopes....79-82 * Min Humidity....... Valleys/lwr slopes...18-23 percent Ridges/upr slopes....20-25 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....Variable 2 to 5 mph...becoming southwest 5 to 8 mph in the afternoon. * Mixing Height..........8700 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-58 Ridges/upr slopes....57-65 * Max Humidity....... Valleys/lwr slopes...51-61 percent Ridges/upr slopes....38-48 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 9 mph...shifting to the north 5 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ .EXTENDED FORECAST FOR DAYS 3 THROUGH 5... ...Northwest California Coast... .THURSDAY...Mostly clear. Patchy fog in the morning. Patchy fog after midnight. Lows 48 to 55. Highs 64 to 73. Northwest winds 5 mph. .FRIDAY...Partly cloudy. Patchy fog in the morning. Patchy fog after midnight. Lows 47 to 52. Highs 62 to 71. Northwest winds 5 mph. .SATURDAY...Partly cloudy. Patchy fog in the morning. Patchy fog. Lows 46 to 51. Highs 61 to 68. Winds generally less than 5 mph. ...Northwest California Interior... .THURSDAY...Clear. Lows 54 to 62. Highs 82 to 93. West winds 5 mph. .FRIDAY...Clear. Lows 50 to 58. Highs 81 to 91. Southwest winds 5 mph. .SATURDAY...Mostly clear. Lows 48 to 56. Highs 76 to 88. Southwest winds 5 mph. .6 to 10 DAY OUTLOOK...Sunday May 24 THROUGH Thursday May 28, 2026... FOR NW CALIF...NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION. $$ visit us at www.weather.gov/eureka