FNUS56 KEKA 200727 FWFEKA FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA NATIONAL WEATHER SERVICE Eureka CA 1227 AM PDT Wed May 20 2026 .DISCUSSION...No significant changes to the previous forecast. A gradual warming trend is expected through Thursday when interior highs will cap out in the low 90s. Conditions will remain very dry with RH between 20 and 30 percent. Aside from some moderate north breezes along shore, winds will be gentle and terrain driven with few gusts even reaching 10 mph. Conditions will ease this weekend with more marine influence pushing inland. CAZ401-210115- Coastal Del Norte- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...62-69 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...56-66 percent Ridges/upr slopes....52-62 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 10 to 17 mph. Ridges/upr slopes....Northwest winds 10 to 17 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....49-52 * Max Humidity....... Valleys/lwr slopes...77-88 percent Ridges/upr slopes....80-90 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 8 to 15 mph. Ridges/upr slopes....Northwest winds 5 to 10 mph in the evening...becoming downslope/downvalley 2 to 5 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...63-71 Ridges/upr slopes....66-74 * Min Humidity....... Valleys/lwr slopes...58-68 percent Ridges/upr slopes....55-65 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming northwest 5 to 8 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming northwest 5 to 6 mph in the afternoon. * Mixing Height..........1500 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-57 Ridges/upr slopes....52-55 * Max Humidity....... Valleys/lwr slopes...76-91 percent Ridges/upr slopes....80-90 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 9 mph. Ridges/upr slopes....Northwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ402-210115- Interior Del Norte Including the Smith River Valley- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...71-79 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...46-56 percent Ridges/upr slopes....42-52 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 10 mph. Ridges/upr slopes....North winds 5 to 10 mph. * Mixing Height..........4200 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....50-54 * Max Humidity....... Valleys/lwr slopes...66-78 percent Ridges/upr slopes....53-68 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 10 mph. Ridges/upr slopes....Northeast winds 5 to 11 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...75-83 Ridges/upr slopes....70-78 * Min Humidity....... Valleys/lwr slopes...50-60 percent Ridges/upr slopes....44-54 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 11 mph...shifting to the northwest 5 to 7 mph in the afternoon. * Mixing Height..........4900 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-57 Ridges/upr slopes....54-59 * Max Humidity....... Valleys/lwr slopes...63-78 percent Ridges/upr slopes....54-69 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to the northeast after midnight. Ridges/upr slopes....Northwest winds 5 to 9 mph...shifting to the northeast 5 to 11 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ403-210115- Northeastern Interior Humboldt and Southwestern Siskiyou Including Orleans- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...80-88 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...North winds 5 to 6 mph...shifting to the northwest 5 to 8 mph in the afternoon. Ridges/upr slopes....North winds 5 to 9 mph. * Mixing Height..........6100 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * 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...West winds 5 to 8 mph...shifting to the northeast 5 to 6 mph after midnight. Ridges/upr slopes....Northeast winds 5 to 9 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...85-93 Ridges/upr slopes....71-79 * Min Humidity....... Valleys/lwr slopes...25-33 percent Ridges/upr slopes....34-44 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 9 mph...shifting to the northwest 5 to 8 mph in the afternoon. * Mixing Height..........7500 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-57 Ridges/upr slopes....53-58 * Max Humidity....... Valleys/lwr slopes...60-75 percent Ridges/upr slopes....52-62 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph...shifting to the northeast 5 to 6 mph after midnight. Ridges/upr slopes....Northwest winds 5 to 9 mph...shifting to the northeast 5 to 8 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ404-210115- Northern Coastal Humboldt- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy then becoming sunny then becoming partly cloudy. Patchy fog early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...58-64 Ridges/upr slopes....around 57 * Min Humidity....... Valleys/lwr slopes...64-79 percent Ridges/upr slopes....74 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 11 mph. Ridges/upr slopes....Northwest winds 5 to 11 mph. * Mixing Height..........1800 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Patchy fog after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-49 Ridges/upr slopes....around 47 * Max Humidity....... Valleys/lwr slopes...92-100 percent Ridges/upr slopes....88 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 10 mph in the evening...becoming light winds 2 to 5 mph. Ridges/upr slopes....North winds 5 to 9 mph in the evening...becoming light winds 3 to 6 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Partly cloudy then becoming sunny. Patchy fog early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...61-69 Ridges/upr slopes....around 63 * Min Humidity....... Valleys/lwr slopes...60-75 percent Ridges/upr slopes....66 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....North winds 5 to 8 mph. * Mixing Height..........1500 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Partly cloudy. Patchy fog after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-53 Ridges/upr slopes....around 49 * Max Humidity....... Valleys/lwr slopes...90-100 percent Ridges/upr slopes....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....North winds 6 mph in the evening...becoming downslope/downvalley 2 to 5 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ405-210115- Northwestern Interior Humboldt Including the Bald Hills- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...67-75 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...56-66 percent Ridges/upr slopes....54-64 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 9 mph. * Mixing Height..........2000 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * 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...West winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....West winds 5 to 7 mph...shifting to the northeast 5 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...74-82 Ridges/upr slopes....70-78 * Min Humidity....... Valleys/lwr slopes...50-60 percent Ridges/upr slopes....48-58 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph...becoming west 5 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 mph...shifting to the northwest 5 to 6 mph in the afternoon. * Mixing Height..........2700 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. Patchy fog after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-55 Ridges/upr slopes....50-58 * Max Humidity....... Valleys/lwr slopes...79-94 percent Ridges/upr slopes....68-83 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....West winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ406-210115- Eastern Interior Humboldt Including Willow Creek and Hoopa- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming 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...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........3300 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * 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....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....Northwest winds 5 to 7 mph...shifting to the east after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...84-92 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...32-40 percent Ridges/upr slopes....37-47 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....East winds 5 to 7 mph...shifting to the northwest 5 to 9 mph in the afternoon. * Mixing Height..........5900 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-58 Ridges/upr slopes....55-60 * Max Humidity....... Valleys/lwr slopes...66-81 percent Ridges/upr slopes....53-68 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 9 mph...shifting to the east 5 to 7 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ407-210115- Southwestern Humboldt Including the King Range and the Eel River Valley- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...71-79 Ridges/upr slopes....60-68 * Min Humidity....... Valleys/lwr slopes...49-59 percent Ridges/upr slopes....66-76 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 12 mph. Ridges/upr slopes....North winds 10 to 17 mph. * Mixing Height..........1900 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....46-50 * Max Humidity....... Valleys/lwr slopes...81-93 percent Ridges/upr slopes....73-88 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 12 mph. Ridges/upr slopes....North winds 5 to 12 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-86 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...42-52 percent Ridges/upr slopes....54-64 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....North winds 5 to 9 mph. * Mixing Height..........3500 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-55 Ridges/upr slopes....50-55 * Max Humidity....... Valleys/lwr slopes...78-90 percent Ridges/upr slopes....70-85 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 10 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ408-210115- Southeastern Interior Humboldt Including Kneeland and Alderpoint- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...69-77 Ridges/upr slopes....63-70 * Min Humidity....... Valleys/lwr slopes...58-68 percent Ridges/upr slopes....61-71 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 10 mph. Ridges/upr slopes....Northwest winds 5 to 10 mph. * Mixing Height..........2500 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-53 Ridges/upr slopes....47-55 * Max Humidity....... Valleys/lwr slopes...77-92 percent Ridges/upr slopes....66-81 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 10 mph. Ridges/upr slopes....North winds 5 to 9 mph...shifting to the northeast 5 to 6 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...77-85 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...51-61 percent Ridges/upr slopes....54-64 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..........5100 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-57 Ridges/upr slopes....51-59 * Max Humidity....... Valleys/lwr slopes...71-86 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 7 mph in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ409-210115- Northwestern Trinity Including Salyer and Big Bar- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-86 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...31-39 percent Ridges/upr slopes....32-40 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........6400 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * 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...West winds 5 to 8 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....North winds 5 to 7 mph...shifting to the northeast after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...84-92 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...26-34 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....East winds 5 to 6 mph...shifting to the west 5 to 9 mph in the afternoon. * Mixing Height..........8100 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-57 Ridges/upr slopes....53-59 * Max Humidity....... Valleys/lwr slopes...60-75 percent Ridges/upr slopes....49-59 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 11 mph...shifting to the northeast 5 to 8 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ410-210115- Northeastern Trinity Including Trinity Lake- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-86 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...19-25 percent Ridges/upr slopes....27-35 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....Northwest winds 5 to 7 mph. * Mixing Height..........7700 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-56 Ridges/upr slopes....47-55 * Max Humidity....... Valleys/lwr slopes...55-70 percent Ridges/upr slopes....46-56 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 mph...shifting to the north after midnight. Ridges/upr slopes....North winds 5 to 8 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny then becoming partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...83-91 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...19-26 percent Ridges/upr slopes....29-37 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....North winds 5 to 7 mph. * Mixing Height..........8600 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-59 Ridges/upr slopes....50-58 * Max Humidity....... Valleys/lwr slopes...53-68 percent Ridges/upr slopes....44-54 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 9 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ411-210115- Eastern Trinity Including Weaverville and Hayfork- 1227 AM PDT Wed May 20 2026 .TODAY... * 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....25-33 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....North winds 5 to 8 mph. * Mixing Height..........7500 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....53-56 * Max Humidity....... Valleys/lwr slopes...59-74 percent Ridges/upr slopes....53-63 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 8 mph...shifting to the northeast 5 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...87-93 Ridges/upr slopes....75-83 * Min Humidity....... Valleys/lwr slopes...18-24 percent Ridges/upr slopes....24-32 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....Northeast winds 5 mph...shifting to the north 5 to 6 mph in the afternoon. * Mixing Height..........9500 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-57 Ridges/upr slopes....56-60 * Max Humidity....... Valleys/lwr slopes...55-67 percent Ridges/upr slopes....47-57 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 9 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ412-210115- Southern Trinity Including Ruth Lake and the Yolla Bollys- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...75-83 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...34-44 percent Ridges/upr slopes....31-39 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........6900 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....48-56 * Max Humidity....... Valleys/lwr slopes...67-77 percent Ridges/upr slopes....60-75 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....North winds 5 to 6 mph...shifting to the northeast after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...81-88 Ridges/upr slopes....74-82 * Min Humidity....... Valleys/lwr slopes...29-37 percent Ridges/upr slopes....27-35 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 8 mph in the afternoon. * Mixing Height..........8300 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-59 Ridges/upr slopes....51-59 * Max Humidity....... Valleys/lwr slopes...59-71 percent Ridges/upr slopes....54-69 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 10 mph in the evening...becoming downslope/downvalley 2 to 5 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ413-210115- Coastal Mendocino- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. Patchy fog early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...66-74 Ridges/upr slopes....67-75 * Min Humidity....... Valleys/lwr slopes...60-70 percent Ridges/upr slopes....45-55 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 9 mph. * Mixing Height..........1300 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. Patchy fog after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-51 Ridges/upr slopes....47-53 * Max Humidity....... Valleys/lwr slopes...81-96 percent Ridges/upr slopes....77-92 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....North winds 5 to 8 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Partly cloudy then becoming sunny. Patchy fog early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...69-77 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...57-67 percent Ridges/upr slopes....42-52 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph...becoming west 5 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 mph in the afternoon. * Mixing Height..........1300 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. Patchy fog after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-53 Ridges/upr slopes....50-55 * Max Humidity....... Valleys/lwr slopes...79-94 percent Ridges/upr slopes....72-87 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....Variable 1 to 3 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ414-210115- Northern Interior Mendocino Including Leggett and Willits- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...79-86 Ridges/upr slopes....72-80 * Min Humidity....... Valleys/lwr slopes...31-39 percent Ridges/upr slopes....32-42 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....North 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...49-54 Ridges/upr slopes....50-58 * Max Humidity....... Valleys/lwr slopes...71-86 percent Ridges/upr slopes....67-82 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 8 mph. Ridges/upr slopes....North winds 5 to 8 mph...shifting to the northeast 5 to 6 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...84-91 Ridges/upr slopes....77-85 * Min Humidity....... Valleys/lwr slopes...25-33 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....Variable 2 to 4 mph...becoming west 5 to 7 mph in the afternoon. * Mixing Height..........6300 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-57 Ridges/upr slopes....53-61 * Max Humidity....... Valleys/lwr slopes...62-77 percent Ridges/upr slopes....59-74 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 in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ415-210115- Northeastern Interior Mendocino Including Covelo- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...80-88 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...28-36 percent Ridges/upr slopes....28-36 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........6900 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-59 Ridges/upr slopes....54-60 * Max Humidity....... Valleys/lwr slopes...61-76 percent Ridges/upr slopes....52-62 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 7 mph...shifting to the east 5 to 6 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...84-92 Ridges/upr slopes....73-81 * Min Humidity....... Valleys/lwr slopes...23-31 percent Ridges/upr slopes....25-33 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 west 5 to 9 mph in the afternoon. * Mixing Height..........8500 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-61 Ridges/upr slopes....55-63 * Max Humidity....... Valleys/lwr slopes...57-72 percent Ridges/upr slopes....46-56 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 10 mph...shifting to the northeast after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ416-210115- Southeastern Interior Mendocino Including Ukiah and Potter Valley- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...82-90 Ridges/upr slopes....77-83 * Min Humidity....... Valleys/lwr slopes...23-31 percent Ridges/upr slopes....25-33 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........6500 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-61 Ridges/upr slopes....57-65 * Max Humidity....... Valleys/lwr slopes...57-72 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....West winds 5 to 7 mph...shifting to the northeast 5 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-94 Ridges/upr slopes....81-88 * Min Humidity....... Valleys/lwr slopes...20-27 percent Ridges/upr slopes....20-27 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....Variable 2 to 5 mph...becoming southwest 5 to 8 mph in the afternoon. * Mixing Height..........6900 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...56-64 Ridges/upr slopes....59-67 * Max Humidity....... Valleys/lwr slopes...52-62 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 9 mph in the evening...becoming downslope/downvalley 2 to 5 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ417-210115- Southwestern Interior Mendocino Including Boonville- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...77-85 Ridges/upr slopes....74-82 * Min Humidity....... Valleys/lwr slopes...37-47 percent Ridges/upr slopes....37-47 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........3500 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-57 Ridges/upr slopes....51-59 * Max Humidity....... Valleys/lwr slopes...69-84 percent Ridges/upr slopes....64-79 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. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...81-89 Ridges/upr slopes....78-86 * Min Humidity....... Valleys/lwr slopes...35-43 percent Ridges/upr slopes....35-43 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..........4600 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-62 Ridges/upr slopes....56-64 * Max Humidity....... Valleys/lwr slopes...59-74 percent Ridges/upr slopes....54-69 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 1 to 3 mph. Ridges/upr slopes....West winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ418-210115- Northern Lake Including Gravelly Valley- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-90 Ridges/upr slopes....71-79 * Min Humidity....... Valleys/lwr slopes...18-24 percent Ridges/upr slopes....22-30 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 mph...shifting to the southwest 5 to 7 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 6 mph...shifting to the southwest 5 to 8 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...53-61 Ridges/upr slopes....56-64 * Max Humidity....... Valleys/lwr slopes...51-61 percent Ridges/upr slopes....38-48 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 7 mph...shifting to the northeast 5 to 6 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...90-95 Ridges/upr slopes....76-84 * Min Humidity....... Valleys/lwr slopes...16-22 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 9 mph in the afternoon. * Mixing Height..........8400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...55-63 Ridges/upr slopes....59-66 * Max Humidity....... Valleys/lwr slopes...51-61 percent Ridges/upr slopes....34-44 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 11 mph...shifting to the north 5 to 6 mph after midnight. Ridges/upr slopes....West winds 6 to 13 mph...shifting to the northwest 5 to 7 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ419-210115- Eastern Lake Including Clearlake and Middletown- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...85-89 Ridges/upr slopes....79-84 * Min Humidity....... Valleys/lwr slopes...18-23 percent Ridges/upr slopes....18-24 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 to 6 mph...shifting to the southwest 5 to 8 mph 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...53-59 Ridges/upr slopes....59-67 * Max Humidity....... Valleys/lwr slopes...54-64 percent Ridges/upr slopes....37-47 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...shifting to the north 5 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...89-94 Ridges/upr slopes....83-89 * Min Humidity....... Valleys/lwr slopes...17-22 percent Ridges/upr slopes....17-23 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 to 6 mph...shifting to the south 5 to 7 mph in the afternoon. * Mixing Height..........9100 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-61 Ridges/upr slopes....61-69 * Max Humidity....... Valleys/lwr slopes...54-64 percent Ridges/upr slopes....36-46 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 11 mph. Ridges/upr slopes....West winds 5 to 11 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ420-210115- Southern Lake Including Cobb and Konocti- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...85-88 Ridges/upr slopes....77-84 * Min Humidity....... Valleys/lwr slopes...19-24 percent Ridges/upr slopes....19-25 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 mph...shifting to the southwest 5 to 8 mph in the afternoon. Ridges/upr slopes....East winds 5 to 6 mph...shifting to the southwest 5 to 8 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...54-62 Ridges/upr slopes....61-67 * Max Humidity....... Valleys/lwr slopes...49-59 percent Ridges/upr slopes....36-46 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....Southwest winds 5 to 8 mph in the evening...becoming downslope/downvalley 2 to 5 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...89-92 Ridges/upr slopes....81-87 * Min Humidity....... Valleys/lwr slopes...18-24 percent Ridges/upr slopes....18-24 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming south 5 to 7 mph in the afternoon. Ridges/upr slopes....Variable 2 to 5 mph...becoming south 5 to 8 mph in the afternoon. * Mixing Height..........7600 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...55-63 Ridges/upr slopes....60-68 * Max Humidity....... Valleys/lwr slopes...48-58 percent Ridges/upr slopes....33-43 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 10 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ421-210115- Western Lake Including Lakeport- 1227 AM PDT Wed May 20 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...83-88 Ridges/upr slopes....79-82 * Min Humidity....... Valleys/lwr slopes...20-26 percent Ridges/upr slopes....23-28 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....Southeast winds 5 to 6 mph...shifting to the southwest 5 to 7 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...53-58 Ridges/upr slopes....57-65 * Max Humidity....... Valleys/lwr slopes...55-65 percent Ridges/upr slopes....43-53 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 7 mph...shifting to the north 5 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-91 Ridges/upr slopes....83-86 * Min Humidity....... Valleys/lwr slopes...19-24 percent Ridges/upr slopes....20-25 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....Variable 2 to 5 mph...becoming southwest 5 to 8 mph in the afternoon. * Mixing Height..........7900 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...55-59 Ridges/upr slopes....60-68 * Max Humidity....... Valleys/lwr slopes...51-61 percent Ridges/upr slopes....38-48 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 9 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....West winds 6 to 10 mph...shifting to the north 5 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ .EXTENDED FORECAST FOR DAYS 3 THROUGH 5... ...Northwest California Coast... .FRIDAY...Partly cloudy. Patchy fog in the morning. Patchy fog after midnight. Lows 47 to 52. Highs 63 to 71. Northwest winds 5 mph. .SATURDAY...Partly cloudy. Patchy fog in the morning. Patchy fog. Lows 46 to 51. Highs 60 to 66. Winds generally less than 5 mph. .SUNDAY...Partly cloudy. Patchy fog in the morning. Patchy fog after midnight. Lows in the mid to upper 40s. Highs in the lower to mid 60s. Winds generally less than 5 mph. ...Northwest California Interior... .FRIDAY...Clear. Lows 51 to 59. Highs 81 to 92. Southwest winds 5 mph. .SATURDAY...Mostly clear. Lows 48 to 55. Highs 75 to 87. Southwest winds 5 mph. .SUNDAY...Mostly clear. Lows 47 to 55. Highs 75 to 86. West winds 5 mph. .6 to 10 DAY OUTLOOK...Monday May 25 THROUGH Friday May 29, 2026... FOR NW CALIF...NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION. $$ visit us at www.weather.gov/eureka