FNUS56 KEKA 152104 FWFEKA FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA NATIONAL WEATHER SERVICE Eureka CA 204 PM PDT Thu Oct 15 2026 ...RED FLAG WARNING IN EFFECT FROM 10 PM THIS EVENING TO 11 AM PDT FRIDAY IN EASTERN AND SOUTHERN LAKE COUNTY DUE TO DRY AND GUSTY NORTHEAST WINDS... .DISCUSSION...A warming and drying trend continues. Interior valleys will hit the 90s today with minimum RH less than 20 percent. Recoveries will be especially poor tonight along mid and upper slopes. Moderate northeast winds will build along interior ridges today with stronger and more widespread winds in eastern Lake County. Wind and dry air will create localized critical fire weather in eastern and southern Lake County with more moderate fire danger elsewhere. Winds will generally weaken Friday but leave behind exceptionally dry air with RH near 10 percent. A cold front arrives this weekend leading to a cooling and moistening trend. CAZ401-161315- Coastal Del Norte- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-52 Ridges/upr slopes....50-54 * Max Humidity....... Valleys/lwr slopes...72-87 percent Ridges/upr slopes....65-78 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 2 to 4 mph...becoming east 5 mph after midnight. Ridges/upr slopes....Variable 2 to 4 mph...becoming southeast 5 to 6 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Partly cloudy then becoming mostly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...65-72 Ridges/upr slopes....68-72 * Min Humidity....... Valleys/lwr slopes...56-71 percent Ridges/upr slopes....52-59 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 mph...shifting to the west in the afternoon. Ridges/upr slopes....Southeast winds 5 to 7 mph in the morning...becoming upslope/upvalley 2 to 4 mph. * Mixing Height..........800 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly cloudy. Patchy fog in the late evening and early morning. Areas of fog early in the morning. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 50 Ridges/upr slopes....46-51 * Max Humidity....... Valleys/lwr slopes...91-100 percent Ridges/upr slopes....85-100 percent * 20-Foot Winds... Valleys/lwr slopes...Light winds 1 to 3 mph. Ridges/upr slopes....Variable 1 to 3 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Patchy fog in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...61-68 Ridges/upr slopes....62-67 * Min Humidity....... Valleys/lwr slopes...69-84 percent Ridges/upr slopes....69-79 percent * 20-Foot Winds... Valleys/lwr slopes...Light winds 1 to 3 mph...becoming northwest 5 to 6 mph in the afternoon. Ridges/upr slopes....Variable 1 to 3 mph...becoming northwest 5 mph in the afternoon. * Mixing Height..........1400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ402-161315- Interior Del Norte Including the Smith River Valley- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Mostly clear. Patchy smoke late in thenight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-57 Ridges/upr slopes....50-58 * Max Humidity....... Valleys/lwr slopes...53-63 percent Ridges/upr slopes....41-51 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 7 mph. Ridges/upr slopes....East winds 5 to 9 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny then becoming partly cloudy. Patchy smoke early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...77-85 Ridges/upr slopes....73-81 * Min Humidity....... Valleys/lwr slopes...41-51 percent Ridges/upr slopes....34-42 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 6 mph...shifting to the west 5 mph in the afternoon. Ridges/upr slopes....East winds 5 to 8 mph...shifting to the southwest 5 mph in the afternoon. * Mixing Height..........3100 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly cloudy then becoming partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-55 Ridges/upr slopes....50-55 * Max Humidity....... Valleys/lwr slopes...69-84 percent Ridges/upr slopes....54-69 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....Variable 1 to 3 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Partly cloudy then becoming sunny then becoming partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...68-76 Ridges/upr slopes....62-70 * Min Humidity....... Valleys/lwr slopes...63-73 percent Ridges/upr slopes....55-65 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....Northeast winds 5 mph in the morning...becoming upslope/upvalley 2 to 4 mph. * Mixing Height..........3200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ403-161315- Northeastern Interior Humboldt and Southwestern Siskiyou Including Orleans- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Clear. Patchy smoke. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-53 Ridges/upr slopes....49-54 * Max Humidity....... Valleys/lwr slopes...43-53 percent Ridges/upr slopes....31-41 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 7 mph. Ridges/upr slopes....Northeast winds 5 to 8 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. Patchy smoke. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...85-93 Ridges/upr slopes....72-80 * Min Humidity....... Valleys/lwr slopes...13-18 percent Ridges/upr slopes....15-20 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph in the morning...becoming upslope/upvalley 2 to 4 mph. Ridges/upr slopes....Northeast winds 5 to 7 mph...shifting to the west 5 mph in the afternoon. * Mixing Height..........3700 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-53 Ridges/upr slopes....49-53 * Max Humidity....... Valleys/lwr slopes...53-63 percent Ridges/upr slopes....37-47 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 7 mph...shifting to the east 5 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...77-85 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...22-30 percent Ridges/upr slopes....31-39 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....Northeast winds 5 mph in the morning...becoming upslope/upvalley 2 to 4 mph. * Mixing Height..........4200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ404-161315- Northern Coastal Humboldt- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-52 Ridges/upr slopes....around 55 * Max Humidity....... Valleys/lwr slopes...68-83 percent Ridges/upr slopes....59 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 2 to 4 mph...becoming east 5 to 6 mph after midnight. Ridges/upr slopes....Variable 2 to 4 mph...becoming southeast 5 to 6 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny then becoming partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...66-74 Ridges/upr slopes....around 70 * Min Humidity....... Valleys/lwr slopes...63-73 percent Ridges/upr slopes....48 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to the northwest in the afternoon. Ridges/upr slopes....Variable 1 to 3 mph. * Mixing Height..........1000 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly cloudy. Patchy dense fog. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-50 Ridges/upr slopes....around 50 * Max Humidity....... Valleys/lwr slopes...92-100 percent Ridges/upr slopes....91 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 mph in the evening...becoming light winds 2 to 4 mph. Ridges/upr slopes....Variable 1 to 3 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Patchy fog in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...60-65 Ridges/upr slopes....around 59 * Min Humidity....... Valleys/lwr slopes...73-88 percent Ridges/upr slopes....79 percent * 20-Foot Winds... Valleys/lwr slopes...Light winds 2 to 5 mph...becoming northwest 5 to 8 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming north 5 to 6 mph in the afternoon. * Mixing Height..........1500 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ405-161315- Northwestern Interior Humboldt Including the Bald Hills- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-56 Ridges/upr slopes....50-58 * Max Humidity....... Valleys/lwr slopes...53-63 percent Ridges/upr slopes....43-53 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 8 mph. Ridges/upr slopes....East winds 5 to 11 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny then becoming partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...79-87 Ridges/upr slopes....76-84 * Min Humidity....... Valleys/lwr slopes...41-49 percent Ridges/upr slopes....35-43 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 8 mph...shifting to the west 5 to 6 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 10 mph...shifting to the southwest 5 to 6 mph in the afternoon. * Mixing Height..........2400 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-53 Ridges/upr slopes....47-55 * Max Humidity....... Valleys/lwr slopes...66-81 percent Ridges/upr slopes....58-73 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....Variable 1 to 3 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...67-75 Ridges/upr slopes....63-70 * Min Humidity....... Valleys/lwr slopes...60-70 percent Ridges/upr slopes....57-67 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph...becoming northwest 5 mph in the afternoon. Ridges/upr slopes....Variable 1 to 3 mph. * Mixing Height..........2200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ406-161315- Eastern Interior Humboldt Including Willow Creek and Hoopa- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-52 Ridges/upr slopes....51-56 * Max Humidity....... Valleys/lwr slopes...44-54 percent Ridges/upr slopes....31-39 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 8 mph. Ridges/upr slopes....Southeast winds 5 to 11 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-94 Ridges/upr slopes....74-82 * Min Humidity....... Valleys/lwr slopes...13-21 percent Ridges/upr slopes....13-19 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 6 mph in the morning...becoming upslope/upvalley 2 to 4 mph. Ridges/upr slopes....Southeast winds 5 to 10 mph...shifting to the southwest in the afternoon. * Mixing Height..........4000 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-51 Ridges/upr slopes....50-54 * Max Humidity....... Valleys/lwr slopes...55-70 percent Ridges/upr slopes....37-47 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....West winds 5 mph...shifting to the east aftermidnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...76-84 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...29-37 percent Ridges/upr slopes....30-38 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....East winds 5 mph...shifting to the northwest in the afternoon. * Mixing Height..........3400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ407-161315- Southwestern Humboldt Including the King Range and the Eel River Valley- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-56 Ridges/upr slopes....57-65 * Max Humidity....... Valleys/lwr slopes...50-60 percent Ridges/upr slopes....33-43 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northeast 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. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...83-91 Ridges/upr slopes....78-84 * Min Humidity....... Valleys/lwr slopes...25-33 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....Southeast winds 5 mph in the morning...becoming upslope/upvalley 2 to 4 mph. * Mixing Height..........3300 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-52 Ridges/upr slopes....50-53 * Max Humidity....... Valleys/lwr slopes...78-93 percent Ridges/upr slopes....66-81 percent * 20-Foot Winds... Valleys/lwr slopes...North 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. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...72-80 Ridges/upr slopes....62-70 * Min Humidity....... Valleys/lwr slopes...43-53 percent Ridges/upr slopes....64-74 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 8 mph. Ridges/upr slopes....North winds 5 to 8 mph. * Mixing Height..........2100 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ408-161315- Southeastern Interior Humboldt Including Kneeland and Alderpoint- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-59 Ridges/upr slopes....53-61 * Max Humidity....... Valleys/lwr slopes...45-55 percent Ridges/upr slopes....35-45 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 8 mph...shifting to the east after midnight. Ridges/upr slopes....East winds 5 to 10 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...82-90 Ridges/upr slopes....76-84 * Min Humidity....... Valleys/lwr slopes...24-32 percent Ridges/upr slopes....30-38 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 6 mph...shifting to the west in the afternoon. Ridges/upr slopes....Southeast winds 5 to 8 mph...shifting to the west 5 mph in the afternoon. * Mixing Height..........4400 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-53 Ridges/upr slopes....47-55 * Max Humidity....... Valleys/lwr slopes...61-76 percent Ridges/upr slopes....52-62 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to the northeast 5 mph after midnight. Ridges/upr slopes....Variable 1 to 3 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...70-78 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...50-60 percent Ridges/upr slopes....61-71 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 6 mph in the afternoon. * Mixing Height..........3300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ409-161315- Northwestern Trinity Including Salyer and Big Bar- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Clear. Patchy smoke until early morning. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-54 Ridges/upr slopes....49-55 * Max Humidity....... Valleys/lwr slopes...41-51 percent Ridges/upr slopes....26-34 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 8 mph. Ridges/upr slopes....East winds 5 to 10 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-94 Ridges/upr slopes....72-80 * Min Humidity....... Valleys/lwr slopes...11-16 percent Ridges/upr slopes....11-15 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 mph in the morning...becoming upslope/upvalley 2 to 4 mph. Ridges/upr slopes....Southeast winds 5 to 7 mph...shifting to the south 5 mph in the afternoon. * Mixing Height..........4800 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-52 Ridges/upr slopes....48-54 * Max Humidity....... Valleys/lwr slopes...51-61 percent Ridges/upr slopes....29-37 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....Variable 2 to 4 mph...becoming east 5 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-86 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...22-30 percent Ridges/upr slopes....20-27 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....Northeast winds 5 mph...shifting to the west 5 to 6 mph in the afternoon. * Mixing Height..........5300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ410-161315- Northeastern Trinity Including Trinity Lake- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Clear. Patchy smoke until early morning. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-53 Ridges/upr slopes....44-51 * Max Humidity....... Valleys/lwr slopes...33-43 percent Ridges/upr slopes....26-34 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 8 mph. Ridges/upr slopes....Northeast winds 5 to 9 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...81-89 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...10-13 percent Ridges/upr slopes....10-14 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph in the morning...becoming upslope/upvalley 2 to 4 mph. Ridges/upr slopes....East winds 5 to 7 mph...shifting to the southeast 5 to 6 mph in the afternoon. * Mixing Height..........3900 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-53 Ridges/upr slopes....43-51 * Max Humidity....... Valleys/lwr slopes...38-48 percent Ridges/upr slopes....25-33 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...76-84 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...14-19 percent Ridges/upr slopes....16-22 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....Northwest winds 5 mph...shifting to the southwest in the afternoon. * Mixing Height..........6200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ411-161315- Eastern Trinity Including Weaverville and Hayfork- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Clear. Patchy smoke until early morning. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-51 Ridges/upr slopes....48-53 * Max Humidity....... Valleys/lwr slopes...39-49 percent Ridges/upr slopes....31-39 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 7 mph. Ridges/upr slopes....East winds 5 to 8 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...85-91 Ridges/upr slopes....75-83 * Min Humidity....... Valleys/lwr slopes...9-12 percent Ridges/upr slopes....10-15 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....Northeast winds 5 mph. * Mixing Height..........5000 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...43-51 Ridges/upr slopes....48-52 * Max Humidity....... Valleys/lwr slopes...45-55 percent Ridges/upr slopes....33-43 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....West winds 5 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...80-87 Ridges/upr slopes....70-77 * Min Humidity....... Valleys/lwr slopes...14-19 percent Ridges/upr slopes....15-21 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....West winds 5 to 6 mph in the morning...becoming upslope/upvalley 2 to 4 mph. * Mixing Height..........6300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ412-161315- Southern Trinity Including Ruth Lake and the Yolla Bollys- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-55 Ridges/upr slopes....45-53 * Max Humidity....... Valleys/lwr slopes...39-49 percent Ridges/upr slopes....39-49 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 10 mph. Ridges/upr slopes....Northeast winds 5 to 10 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...85-93 Ridges/upr slopes....75-83 * Min Humidity....... Valleys/lwr slopes...13-18 percent Ridges/upr slopes....10-15 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 7 mph...shifting to the west 5 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 7 mph...shifting to the northwest 5 mph in the afternoon. * Mixing Height..........5100 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-55 Ridges/upr slopes....45-53 * Max Humidity....... Valleys/lwr slopes...42-52 percent Ridges/upr slopes....37-47 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 mph in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-86 Ridges/upr slopes....70-78 * Min Humidity....... Valleys/lwr slopes...22-30 percent Ridges/upr slopes....18-26 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 to 6 mph in the afternoon. * Mixing Height..........6200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ413-161315- Coastal Mendocino- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-59 Ridges/upr slopes....53-61 * Max Humidity....... Valleys/lwr slopes...55-65 percent Ridges/upr slopes....46-56 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 7 mph. Ridges/upr slopes....Northeast winds 5 to 8 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...76-84 Ridges/upr slopes....76-84 * Min Humidity....... Valleys/lwr slopes...48-58 percent Ridges/upr slopes....37-47 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming northwest 5 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 7 mph...shifting to the northwest 5 mph in the afternoon. * Mixing Height..........1200 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-55 Ridges/upr slopes....48-56 * Max Humidity....... Valleys/lwr slopes...63-78 percent Ridges/upr slopes....54-69 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....North winds 5 mph in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...69-77 Ridges/upr slopes....71-79 * Min Humidity....... Valleys/lwr slopes...58-68 percent Ridges/upr slopes....48-58 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 6 mph...shifting to the northwest in the afternoon. * Mixing Height..........1200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ414-161315- Northern Interior Mendocino Including Leggett and Willits- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-54 Ridges/upr slopes....50-58 * Max Humidity....... Valleys/lwr slopes...48-58 percent Ridges/upr slopes....43-53 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 9 mph. Ridges/upr slopes....Northeast winds 5 to 8 mph...shifting to the east after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...87-93 Ridges/upr slopes....81-89 * Min Humidity....... Valleys/lwr slopes...12-20 percent Ridges/upr slopes....19-27 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the west in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the west 5 mph in the afternoon. * Mixing Height..........4800 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-52 Ridges/upr slopes....47-55 * Max Humidity....... Valleys/lwr slopes...54-64 percent Ridges/upr slopes....52-62 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 mph...shifting to the northeast after midnight. Ridges/upr slopes....North winds 5 mph...shifting to the northeast 5 to 6 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...81-88 Ridges/upr slopes....74-82 * Min Humidity....... Valleys/lwr slopes...21-29 percent Ridges/upr slopes....29-37 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the west in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the northwest in the afternoon. * Mixing Height..........5500 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ415-161315- Northeastern Interior Mendocino Including Covelo- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-55 Ridges/upr slopes....51-58 * Max Humidity....... Valleys/lwr slopes...42-52 percent Ridges/upr slopes....27-35 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 11 mph. Ridges/upr slopes....East winds 7 to 14 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-94 Ridges/upr slopes....75-83 * Min Humidity....... Valleys/lwr slopes...10-14 percent Ridges/upr slopes....10-14 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the west in the afternoon. Ridges/upr slopes....East winds 5 to 7 mph...shifting to the west 5 mph in the afternoon. * Mixing Height..........5200 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-54 Ridges/upr slopes....51-58 * Max Humidity....... Valleys/lwr slopes...43-53 percent Ridges/upr slopes....29-37 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 6 mph...shifting to the northeast 5 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...82-89 Ridges/upr slopes....71-79 * Min Humidity....... Valleys/lwr slopes...13-18 percent Ridges/upr slopes....13-17 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 mph...shifting to the west 5 to 6 mph in the afternoon. * Mixing Height..........5900 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ416-161315- Southeastern Interior Mendocino Including Ukiah and Potter Valley- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-58 Ridges/upr slopes....57-65 * Max Humidity....... Valleys/lwr slopes...42-52 percent Ridges/upr slopes....30-38 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 12 mph. Ridges/upr slopes....Northeast winds 9 to 16 mph. * Mixing Height..........400 ft AGL. * Chc of WettingRain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...87-95 Ridges/upr slopes....81-88 * Min Humidity....... Valleys/lwr slopes...13-16 percent Ridges/upr slopes....13-17 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the west 5 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 12 mph...shifting to the west 5 to 6 mph in the afternoon. * Mixing Height..........5500 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-58 Ridges/upr slopes....57-65 * Max Humidity....... Valleys/lwr slopes...43-53 percent Ridges/upr slopes....32-42 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 8 mph...shifting to the northeast 5 to 6 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...83-90 Ridges/upr slopes....77-84 * Min Humidity....... Valleys/lwr slopes...15-20 percent Ridges/upr slopes....15-21 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the west in the afternoon. * Mixing Height..........6000 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ417-161315- Southwestern Interior Mendocino Including Boonville- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...55-63 Ridges/upr slopes....58-66 * Max Humidity....... Valleys/lwr slopes...37-47 percent Ridges/upr slopes....35-45 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 8 mph...shifting to the east after midnight. Ridges/upr slopes....Northeast winds 5 to 10 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-94 Ridges/upr slopes....84-92 * Min Humidity....... Valleys/lwr slopes...18-26 percent Ridges/upr slopes....20-28 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to the northwest 5 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the west in the afternoon. * Mixing Height..........4300 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-59 Ridges/upr slopes....53-61 * Max Humidity....... Valleys/lwr slopes...46-56 percent Ridges/upr slopes....41-51 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...79-87 Ridges/upr slopes....78-86 * 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 northwest 5 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming northwest 5 to 6 mph in the afternoon. * Mixing Height..........4500 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ418-161315- Northern Lake Including Gravelly Valley- 204 PM PDT Thu Oct 15 2026 ...RED FLAG WARNING IN EFFECT FROM 10 PM THIS EVENING TO 11 AM PDT FRIDAY... .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-59 Ridges/upr slopes....55-63 * Max Humidity....... Valleys/lwr slopes...32-42 percent Ridges/upr slopes....22-30 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 12 mph. Ridges/upr slopes....Northeast winds 7 to 14 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...89-95 Ridges/upr slopes....76-84 * Min Humidity....... Valleys/lwr slopes...9-14 percent Ridges/upr slopes....12-16 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....Northeast winds 5 to 10 mph...shifting to the southwest in the afternoon. * Mixing Height..........4900 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-58 Ridges/upr slopes....55-63 * Max Humidity....... Valleys/lwr slopes...33-43 percent Ridges/upr slopes....24-32 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....Northwest winds 5 to 7 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-91 Ridges/upr slopes....72-80 * Min Humidity....... Valleys/lwr slopes...11-16 percent Ridges/upr slopes....14-19 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....Variable 2 to 4 mph...becoming southwest 5 to 6 mph in the afternoon. * Mixing Height..........5700 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ419-161315- Eastern Lake Including Clearlake and Middletown- 204 PM PDT Thu Oct 15 2026 ...RED FLAG WARNING IN EFFECT FROM 10 PM THIS EVENING TO 11 AM PDT FRIDAY... .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...55-63 Ridges/upr slopes....61-68 * Max Humidity....... Valleys/lwr slopes...33-43 percent Ridges/upr slopes....24-32 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 7 to 14 mph. Ridges/upr slopes....North winds 10 to 17 mph. * Mixing Height..........500 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...87-91 Ridges/upr slopes....80-85 * Min Humidity....... Valleys/lwr slopes...13-16 percentRidges/upr slopes....12-17 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 11 mph. Ridges/upr slopes....North winds 5 to 11 mph. * Mixing Height..........4400 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-60 Ridges/upr slopes....57-62 * Max Humidity....... Valleys/lwr slopes...43-53 percent Ridges/upr slopes....32-40 percent * 20-Foot Winds... Valleys/lwr slopes...West 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. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...85-89 Ridges/upr slopes....78-84 * Min Humidity....... Valleys/lwr slopes...15-20 percent Ridges/upr slopes....16-22 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....Variable 2 to 4 mph...becoming southeast 5 mph in the afternoon. * Mixing Height..........5900 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ420-161315- Southern Lake Including Cobb and Konocti- 204 PM PDT Thu Oct 15 2026 ...RED FLAG WARNING IN EFFECT FROM 10 PM THIS EVENING TO 11 AM PDT FRIDAY... .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...56-63 Ridges/upr slopes....62-67 * Max Humidity....... Valleys/lwr slopes...31-41 percent Ridges/upr slopes....22-30 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 6 to 13 mph. Ridges/upr slopes....Northeast winds 9 to 16 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...around 90 Ridges/upr slopes....80-87 * Min Humidity....... Valleys/lwr slopes...14-17 percent Ridges/upr slopes....14-19 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 12 mph. Ridges/upr slopes....Northeast winds 5 to 12 mph. * Mixing Height..........5100 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...55-63 Ridges/upr slopes....62-66 * Max Humidity....... Valleys/lwr slopes...33-43 percent Ridges/upr slopes....25-33 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 in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...85-89 Ridges/upr slopes....77-84 * Min Humidity....... Valleys/lwr slopes...17-22 percent Ridges/upr slopes....17-22 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph...becoming southwest 5 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming southwest 5mph in the afternoon. * Mixing Height..........5900 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ421-161315- Western Lake Including Lakeport- 204 PM PDT Thu Oct 15 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-59 Ridges/upr slopes....57-65 * Max Humidity....... Valleys/lwr slopes...41-51 percent Ridges/upr slopes....28-36 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 11 mph...shifting to the southwest after midnight. Ridges/upr slopes....Northeast winds 5 to 8 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...85-91 Ridges/upr slopes....83-86 * Min Humidity....... Valleys/lwr slopes...14-20 percent Ridges/upr slopes....13-17 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming east 5 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 7 mph in the morning...becoming upslope/upvalley 2 to 4 mph. * Mixing Height..........5200 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-60 Ridges/upr slopes....58-65 * Max Humidity....... Valleys/lwr slopes...43-53 percent Ridges/upr slopes....27-35 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 north 5 to 6 mph after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...82-88 Ridges/upr slopes....79-82 * Min Humidity....... Valleys/lwr slopes...16-24 percent Ridges/upr slopes....15-20 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph...becoming southwest 5 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the southwest in the afternoon. * Mixing Height..........6000 ft AGL. * Chc of Wetting Rain....0 percent. $$ .EXTENDED FORECAST FOR DAYS 3 THROUGH 5... ...Northwest California Coast... .SUNDAY...Mostly cloudy. Patchy fog. Lows 46 to 53. Highs 57 to 62. North winds 5 mph. .MONDAY...Patchy fog. Mostly cloudy with chance of rain. Lows 40 to 48. Highs 53 to 59. Northwest winds 5 mph. .TUESDAY...Mostly cloudy with chance of rain. Patchy fog. Lows 42 to 49. Highs 56 to 62. Northeast winds 5 mph. ...Northwest California Interior... .SUNDAY...Mostly clear. Lows 46 to 54. Highs 70 to 81. Winds generally less than 5 mph. .MONDAY...Cooler. Partly cloudy with chance of rain. Patchy fog. Lows 37 to 45. Highs 58 to 67. West winds 5 mph. .TUESDAY...Mostly cloudy with chance of rain. Patchy fog. Lows 38 to 46. Highs 59 to 68. Northwest winds 5 mph. .6 to 10 DAY OUTLOOK...Wednesday October 21 THROUGH Sunday October 25, 2026... FOR NW CALIF...BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION. $$ visit us at www.weather.gov/eureka