FNUS56 KEKA 160754 FWFEKA FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA NATIONAL WEATHER SERVICE Eureka CA 1254 AM PDT Fri Oct 16 2026 ...RED FLAG WARNING IN EFFECT UNTIL 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 again hit the 90s today with minimum RH less than 15 percent. Recoveries will be poor for one one more night. Moderate northeast winds persist along interior ridges this morning with stronger and more widespread winds in eastern Lake County. Where strong, wind and dry air will create critical fire weather conditions through the morning. Winds will generally weaken through the day 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. CAZ401-170130- Coastal Del Norte- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Partly cloudy then becoming mostly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...64-71 Ridges/upr slopes....around 70 * Min Humidity....... Valleys/lwr slopes...60-70 percent Ridges/upr slopes....48-56 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming northwest 5 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 mph...shifting to the west 5 to 6 mph in the afternoon. * Mixing Height..........800 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly cloudy. Patchy fog in the late evening and overnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-49 Ridges/upr slopes....45-50 * Max Humidity....... Valleys/lwr slopes...87-100 percent Ridges/upr slopes....83-98 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 mph in the evening...becoming 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. Patchy fog in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...60-67 Ridges/upr slopes....61-66 * Min Humidity....... Valleys/lwr slopes...67-82 percent Ridges/upr slopes....65-75 percent * 20-Foot Winds... Valleys/lwr slopes...Light winds 2 to 4 mph...becoming northwest 5 to 9 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming northwest 5 to 7 mph in the afternoon. * Mixing Height..........1300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Patchy fog after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...45-48 Ridges/upr slopes....43-48 * Max Humidity....... Valleys/lwr slopes...94-100 percent Ridges/upr slopes....92-100 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 10 mph in the evening...becoming downslope/downvalley 2 to 5 mph. Ridges/upr slopes....North 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. $$ CAZ402-170130- Interior Del Norte Including the Smith River Valley- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Sunny then becoming partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...77-85 Ridges/upr slopes....73-81 * Min Humidity....... Valleys/lwr slopes...40-48 percent Ridges/upr slopes....31-39 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 6 mph...shifting to the west in the afternoon. Ridges/upr slopes....East winds 5 to 7 mph...shifting to the southwest 5 mph in the afternoon. * Mixing Height..........3000 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly cloudy then becoming partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-55 Ridges/upr slopes....50-55 * Max Humidity....... Valleys/lwr slopes...64-79 percent Ridges/upr slopes....54-64 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....West winds 5 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............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...60-70 percent Ridges/upr slopes....54-64 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the northwest 5 to 6 mph in the afternoon. Ridges/upr slopes....North winds 5 mph...shifting to the northwest 5 to 6 mph in the afternoon. * Mixing Height..........3000 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-49 Ridges/upr slopes....44-50 * Max Humidity....... Valleys/lwr slopes...80-95 percent Ridges/upr slopes....71-86 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the northeast after midnight. Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to the northeast after midnight. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ403-170130- Northeastern Interior Humboldt and Southwestern Siskiyou Including Orleans- 1254 AM PDT Fri Oct 16 2026 .TODAY... * 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...12-17 percent Ridges/upr slopes....14-19 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to the west 5 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the west in the afternoon. * Mixing Height..........3800 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. Patchy smoke early in the evening. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-54 Ridges/upr slopes....49-53 * Max Humidity....... Valleys/lwr slopes...46-56 percent Ridges/upr slopes....33-43 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Southwest winds 5 to 7 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Partly cloudy then becoming sunny. Patchy smoke late in the afternoon. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...77-85 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...22-29 percent Ridges/upr slopes....28-36 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming southwest 5 to 6 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 6 mph in the afternoon. * Mixing Height..........4300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-49 Ridges/upr slopes....44-48 * Max Humidity....... Valleys/lwr slopes...67-82 percent Ridges/upr slopes....53-68 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 7 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....West winds 5 to 8 mph...shifting to the east 5 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ404-170130- Northern Coastal Humboldt- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...65-73 Ridges/upr slopes....around 69 * Min Humidity....... Valleys/lwr slopes...62-72 percent Ridges/upr slopes....44 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph. Ridges/upr slopes....Northwest winds 5 to 6 mph. * Mixing Height..........1000 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly cloudy. Patchy fog in the late evening and overnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...45-48 Ridges/upr slopes....around 48 * Max Humidity....... Valleys/lwr slopes...91-100 percent Ridges/upr slopes....90 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 early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...60-65 Ridges/upr slopes....around 59 * Min Humidity....... Valleys/lwr slopes...72-87 percent Ridges/upr slopes....78 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Variable 2 to 5 mph...becoming north 5 to 7 mph in the afternoon. * Mixing Height..........1600 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly cloudy. Patchy fog in the late evening and overnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-49 Ridges/upr slopes....around 49 * Max Humidity....... Valleys/lwr slopes...95 percent Ridges/upr slopes....94 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph in the evening...becoming light winds 2 to 4 mph. Ridges/upr slopes....North winds 5 to 8 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ405-170130- Northwestern Interior Humboldt Including the Bald Hills- 1254 AM PDT Fri Oct 16 2026 .TODAY... * 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...39-47 percent Ridges/upr slopes....32-40 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 7 mph...shifting to the west 5 to 6 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 10 mph...shifting to the west 5 to 6 mph in the afternoon. * Mixing Height..........2300 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-54 Ridges/upr slopes....47-55 * Max Humidity....... Valleys/lwr slopes...62-77 percent Ridges/upr slopes....55-70 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...66-74 Ridges/upr slopes....62-70 * Min Humidity....... Valleys/lwr slopes...59-69 percent Ridges/upr slopes....54-64 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....North winds 5 mph...shifting to the northwest 5 to 6 mph in the afternoon. * Mixing Height..........2200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Partly cloudy. Patchy fog in the late evening and overnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-49 Ridges/upr slopes....44-50 * Max Humidity....... Valleys/lwr slopes...78-93 percent Ridges/upr slopes....72-87 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..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ406-170130- Eastern Interior Humboldt Including Willow Creek and Hoopa- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-94 Ridges/upr slopes....74-82 * Min Humidity....... Valleys/lwr slopes...14-19 percent Ridges/upr slopes....12-16 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to the southwest 5 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 9 mph...shifting to the southwest 5 to 6 mph in the afternoon. * Mixing Height..........4300 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....50-54 * Max Humidity....... Valleys/lwr slopes...54-64 percent Ridges/upr slopes....33-43 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....West 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...76-84 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...26-34 percent Ridges/upr slopes....28-36 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 west 5 mph in the afternoon. * Mixing Height..........3100 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...43-46 Ridges/upr slopes....45-49 * Max Humidity....... Valleys/lwr slopes...74-89 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 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ407-170130- Southwestern Humboldt Including the King Range and the Eel River Valley- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...83-91 Ridges/upr slopes....77-84 * Min Humidity....... Valleys/lwr slopes...23-31 percent Ridges/upr slopes....24-32 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the northwest 5 to 6 mph in the afternoon. Ridges/upr slopes....East winds 5 to 6 mph...shifting to the west in the afternoon. * Mixing Height..........3200 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-51 Ridges/upr slopes....49-53 * Max Humidity....... Valleys/lwr slopes...73-88 percent Ridges/upr slopes....63-78 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 7 mph. Ridges/upr slopes....North winds 5 to 11 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...71-79 Ridges/upr slopes....62-70 * Min Humidity....... Valleys/lwr slopes...41-51 percent Ridges/upr slopes....59-69 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 10 mph. Ridges/upr slopes....North winds 5 to 10 mph. * Mixing Height..........2200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. Patchy fog early in the morning. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-50 Ridges/upr slopes....46-50 * Max Humidity....... Valleys/lwr slopes...84-99 percent Ridges/upr slopes....76-91 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. $$ CAZ408-170130- Southeastern Interior Humboldt Including Kneeland and Alderpoint- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...82-90 Ridges/upr slopes....76-84 * Min Humidity....... Valleys/lwr slopes...21-29 percent Ridges/upr slopes....27-35 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 6 mph...shifting to the northwest in the afternoon. Ridges/upr slopes....East winds 5 to 7 mph...shifting to the west 5 mph in the afternoon. * Mixing Height..........4300 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-53 Ridges/upr slopes....47-55 * Max Humidity....... Valleys/lwr slopes...56-71 percent Ridges/upr slopes....49-59 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 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...70-78 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...47-57 percent Ridges/upr slopes....56-66 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph. Ridges/upr slopes....North winds 5 mph...shifting to the northwest 5 to 6 mph in the afternoon. * Mixing Height..........2800 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...45-49 Ridges/upr slopes....42-50 * Max Humidity....... Valleys/lwr slopes...80-95 percent Ridges/upr slopes....66-81 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 8 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. $$ CAZ409-170130- Northwestern Trinity Including Salyer and Big Bar- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-94 Ridges/upr slopes....71-79 * Min Humidity....... Valleys/lwr slopes...9-14 percent Ridges/upr slopes....10-14 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 mph...shifting to the south in the afternoon. Ridges/upr slopes....Southeast winds 5 to 7 mph...shifting to the south 5 mph in the afternoon. * Mixing Height..........4900 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-52 Ridges/upr slopes....48-54 * Max Humidity....... Valleys/lwr slopes...45-55 percent Ridges/upr slopes....26-34 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 mph in the evening...becoming downslope/downvalley 1 to 3 mph. Ridges/upr slopes....West winds 5 mph. * Mixing Height..........300 ft AGL. * Chc of WettingRain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-85 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...21-29 percent Ridges/upr slopes....19-25 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 west 5 to 6 mph in the afternoon. * Mixing Height..........5000 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...42-47 Ridges/upr slopes....44-49 * Max Humidity....... Valleys/lwr slopes...66-81 percent Ridges/upr slopes....44-54 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....West winds 5 to 6 mph...shifting to the northeast 5 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ410-170130- Northeastern Trinity Including Trinity Lake- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...81-89 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...9-12 percent Ridges/upr slopes....9-13 percent * 20-Foot Winds... Valleys/lwr slopes...North 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 south 5 mph in the afternoon. * Mixing Height..........3900 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...45-52 Ridges/upr slopes....43-51 * Max Humidity....... Valleys/lwr slopes...34-44 percent Ridges/upr slopes....23-31 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....West winds 5 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...76-83 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...14-17 percent Ridges/upr slopes....15-21 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming south 5 mph in the afternoon. Ridges/upr slopes....West winds 5 mph...shifting to the southwest 5 to 6 mph in the afternoon. * Mixing Height..........6100 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-49 Ridges/upr slopes....40-48 * Max Humidity....... Valleys/lwr slopes...51-61 percent Ridges/upr slopes....38-48 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 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..........300 ft AGL. * Chc of Wetting Rain....0percent. $$ CAZ411-170130- Eastern Trinity Including Weaverville and Hayfork- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...85-91 Ridges/upr slopes....75-83 * Min Humidity....... Valleys/lwr slopes...8-11 percent Ridges/upr slopes....9-13 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....Northeast winds 5 to 6 mph in the morning...becoming upslope/upvalley 2 to 4 mph. * Mixing Height..........5100 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...43-50 Ridges/upr slopes....48-52 * Max Humidity....... Valleys/lwr slopes...39-49 percent Ridges/upr slopes....30-38 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....West 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...80-86 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...14-19 percent Ridges/upr slopes....14-19 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....West winds 5 mph. * Mixing Height..........6100 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...39-47 Ridges/upr slopes....43-48 * Max Humidity....... Valleys/lwr slopes...55-70 percent Ridges/upr slopes....48-58 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. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ412-170130- Southern Trinity Including Ruth Lake and the Yolla Bollys- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...85-93 Ridges/upr slopes....76-84 * Min Humidity....... Valleys/lwr slopes...10-15 percent Ridges/upr slopes....8-13 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 7 mph...shifting to the west 5 to 6 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the west in the afternoon. * Mixing Height..........5100 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-55 Ridges/upr slopes....45-53 * Max Humidity....... Valleys/lwr slopes...36-46 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....West winds 5 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...78-85 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...19-27 percent Ridges/upr slopes....16-24 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 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..........5600 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...43-51 Ridges/upr slopes....41-49 * Max Humidity....... Valleys/lwr slopes...53-63 percent Ridges/upr slopes....48-58 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ413-170130- Coastal Mendocino- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...75-83 Ridges/upr slopes....75-83 * Min Humidity....... Valleys/lwr slopes...46-56 percent Ridges/upr slopes....38-46 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the northwest 5 to 6 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the west in the afternoon. * Mixing Height..........1100 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-55 Ridges/upr slopes....48-56 * Max Humidity....... Valleys/lwr slopes...59-74 percent Ridges/upr slopes....52-62 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....North winds 5 to 6 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....70-78 * Min Humidity....... Valleys/lwr slopes...56-66 percent Ridges/upr slopes....47-57 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 7 mph...shifting to the northwest 5 to 8 mph in the afternoon. * Mixing Height..........1200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. Patchy fog after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-51 Ridges/upr slopes....43-51 * Max Humidity....... Valleys/lwr slopes...87-100 percent Ridges/upr slopes....81-96 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. $$ CAZ414-170130- Northern Interior Mendocino Including Leggett and Willits- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. *Max Temperature....... Valleys/lwr slopes...88-94 Ridges/upr slopes....81-89 * Min Humidity....... Valleys/lwr slopes...12-17 percent Ridges/upr slopes....18-26 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 in the afternoon. * Mixing Height..........4800 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...45-53 Ridges/upr slopes....47-55 * Max Humidity....... Valleys/lwr slopes...47-57 percent Ridges/upr slopes....47-57 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 7 mph. Ridges/upr slopes....North 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...80-88 Ridges/upr slopes....74-82 * Min Humidity....... Valleys/lwr slopes...19-27 percent Ridges/upr slopes....28-36 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph in the morning...becoming upslope/upvalley 2 to 4 mph. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the northwest 5 mph in the afternoon. * Mixing Height..........4700 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...40-48 Ridges/upr slopes....42-50 * Max Humidity....... Valleys/lwr slopes...72-87 percent Ridges/upr slopes....69-84 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....North winds 5 to 8 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ415-170130- Northeastern Interior Mendocino Including Covelo- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...87-94 Ridges/upr slopes....76-84 * Min Humidity....... Valleys/lwr slopes...9-12 percent Ridges/upr slopes....9-12 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the west in the afternoon. Ridges/upr slopes....Northeast winds 5 to 7 mph...shifting to the west 5 to 6 mph in the afternoon. * Mixing Height..........5300 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-54 Ridges/upr slopes....51-58 * Max Humidity....... Valleys/lwr slopes...38-48 percent Ridges/upr slopes....25-33 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to the northeast 5 mph after midnight. 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...81-88 Ridges/upr slopes....70-78* Min Humidity....... Valleys/lwr slopes...12-17 percent Ridges/upr slopes....12-16 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 southwest 5 mph in the afternoon. * Mixing Height..........5700 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...42-50 Ridges/upr slopes....46-54 * Max Humidity....... Valleys/lwr slopes...50-60 percent Ridges/upr slopes....35-45 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....West winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ416-170130- Southeastern Interior Mendocino Including Ukiah and Potter Valley- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...87-95 Ridges/upr slopes....81-88 * Min Humidity....... Valleys/lwr slopes...11-14 percent Ridges/upr slopes....11-15 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the southwest 5 to 7 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 9 mph...shifting to the southwest 5 to 6 mph in the afternoon. * Mixing Height..........5700 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-58 Ridges/upr slopes....57-65 * Max Humidity....... Valleys/lwr slopes...40-50 percent Ridges/upr slopes....29-37 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....North winds 5 to 8 mph. * 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...14-17 percent Ridges/upr slopes....14-19 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 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..........5100 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-52 Ridges/upr slopes....50-57 * Max Humidity....... Valleys/lwr slopes...62-77 percent Ridges/upr slopes....50-60 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. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ417-170130- Southwestern Interior Mendocino Including Boonville- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...86-94 Ridges/upr slopes....83-91 * Min Humidity....... Valleys/lwr slopes...14-22 percent Ridges/upr slopes....16-24 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to the west 5 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the west 5 mph in the afternoon. * Mixing Height..........4300 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....53-61 * Max Humidity....... Valleys/lwr slopes...41-51 percent Ridges/upr slopes....35-45 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 mph in the evening...becoming downslope/downvalley 2 to 4 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...79-87 Ridges/upr slopes....77-85 * Min Humidity....... Valleys/lwr slopes...25-33 percent Ridges/upr slopes....27-35 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 west 5 to 6 mph in the afternoon. * Mixing Height..........3500 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...45-53 Ridges/upr slopes....46-54 * Max Humidity....... Valleys/lwr slopes...76-91 percent Ridges/upr slopes....68-83 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. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ418-170130- Northern Lake Including Gravelly Valley- 1254 AM PDT Fri Oct 16 2026 ...RED FLAG WARNING IN EFFECT UNTIL 11 AM PDT THIS MORNING... .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...89-95 Ridges/upr slopes....76-84 * Min Humidity....... Valleys/lwr slopes...8-12 percent Ridges/upr slopes....10-14 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 9 mph...shifting to the southwest 5 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 9 mph...shifting to the south 5 mph in the afternoon. * Mixing Height..........5100 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-58 Ridges/upr slopes....55-63 * Max Humidity....... Valleys/lwr slopes...32-42 percent Ridges/upr slopes....22-30 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 mph...shifting to the north after midnight. Ridges/upr slopes....Northwest 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...86-90 Ridges/upr slopes....72-80 * Min Humidity....... Valleys/lwr slopes...10-14 percent Ridges/upr slopes....13-17 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..........5500 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-54 Ridges/upr slopes....50-58 * Max Humidity....... Valleys/lwr slopes...39-49 percent Ridges/upr slopes....29-37 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....West winds 5 mph in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ419-170130- Eastern Lake Including Clearlake and Middletown- 1254 AM PDT Fri Oct 16 2026 ...RED FLAG WARNING IN EFFECT UNTIL 11 AM PDT THIS MORNING... .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...87-91 Ridges/upr slopes....80-86 * Min Humidity....... Valleys/lwr slopes...11-14 percent Ridges/upr slopes....11-15 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 9 mph...shifting to the east 5 to 8 mph in the afternoon. Ridges/upr slopes....Northeast winds 7 to 14 mph. * Mixing Height..........4400 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-59 Ridges/upr slopes....56-62 * Max Humidity....... Valleys/lwr slopes...39-49 percent Ridges/upr slopes....29-35 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 mph in the evening...becoming downslope/downvalley 1 to 3 mph. Ridges/upr slopes....West winds 5 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...14-17 percent Ridges/upr slopes....14-19 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming southwest 5 to 6 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming southwest 5 mph in the afternoon. * Mixing Height..........5900 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-56 Ridges/upr slopes....53-58 * Max Humidity....... Valleys/lwr slopes...52-62 percent Ridges/upr slopes....39-49 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 mph. * Mixing Height..........400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ420-170130- Southern Lake Including Cobb and Konocti- 1254 AM PDT Fri Oct 16 2026 ...RED FLAG WARNING IN EFFECT UNTIL 11 AM PDT THIS MORNING... .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...around 90 Ridges/upr slopes....80-87 * Min Humidity....... Valleys/lwr slopes...12-15 percent Ridges/upr slopes....12-15 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 8 mph...shifting to the southeast 5 to 6 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 10 mph...shifting to the southeast 5 to 6 mph in the afternoon. * Mixing Height..........5000 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-62 Ridges/upr slopes....62-66 * Max Humidity....... Valleys/lwr slopes...32-42 percent Ridges/upr slopes....23-31 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....West winds 5 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...84-88 Ridges/upr slopes....77-84 * Min Humidity....... Valleys/lwr slopes...15-20 percent Ridges/upr slopes....15-20 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....West winds 5 to 7 mph. * Mixing Height..........5800 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-55 Ridges/upr slopes....54-58 * Max Humidity....... Valleys/lwr slopes...50-60 percent Ridges/upr slopes....39-49 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. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ421-170130- Western Lake Including Lakeport- 1254 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...85-91 Ridges/upr slopes....83-86 * Min Humidity....... Valleys/lwr slopes...13-18 percent Ridges/upr slopes....11-15 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 mph in the morning...becoming upslope/upvalley 2 to 4 mph. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the south in the afternoon. * Mixing Height..........5300 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-60 Ridges/upr slopes....57-65 * Max Humidity....... Valleys/lwr slopes...41-51 percent Ridges/upr slopes....24-32 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....West winds 5 to 6 mph...shifting to the northwest 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...82-87 Ridges/upr slopes....79-82 * Min Humidity....... Valleys/lwr slopes...15-23 percent Ridges/upr slopes....14-17 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming southwest 5 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 6 mph in the afternoon. * Mixing Height..........5400 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-53 Ridges/upr slopes....52-57 * Max Humidity....... Valleys/lwr slopes...55-70 percent Ridges/upr slopes....40-50 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. $$ .EXTENDED FORECAST FOR DAYS 3 THROUGH 5... ...Northwest California Coast... .SUNDAY...Mostly cloudy. Patchy fog in the morning. Patchy fog after midnight. Lows 41 to 49. Highs 56 to 62. Northwest winds 5 mph. .MONDAY...Patchy fog in the morning. Mostly cloudy with chance of rain. Lows 41 to 49. Highs 54 to 60. Southeast winds 5 mph. .TUESDAY...Mostly cloudy. Chance of rain. Lows 41 to 48. Highs 56 to 62. North winds 5 mph. ...Northwest California Interior... .SUNDAY...Mostly clear. Patchy fog after midnight. Lows 39 to 47. Highs 69 to 81. West winds 5 mph. .MONDAY...Cooler. Mostly cloudy. Slight chance of rain. Patchy fog in the morning. Patchy fog after midnight. Lows 37 to 45. Highs 58 to 67. West winds 5 mph. .TUESDAY...Partly cloudy. Patchy fog in the morning. Chance of rain. Lows 37 to 45. Highs 59 to 68. Northeast winds 5 mph. .6 to 10 DAY OUTLOOK...Wednesday October 21 THROUGH Sunday October 25, 2026... FOR NW CALIF...BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION. $$ visit us at www.weather.gov/eureka