FNUS56 KEKA 162117 FWFEKA FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA NATIONAL WEATHER SERVICE Eureka CA 217 PM PDT Fri Oct 16 2026 ...VERY DRY CONDITIONS WITH RH VALUES UNDER 20% ARE EXPECTED SATURDAY FOR LAKE COUNTY, TRINITY COUNTY, AND INTERIOR MENDOCINO COUNTY... .DISCUSSION...A warming and drying trend peaks this afternoon. This weekend will have slightly cooler temperatures, yet dry conditions remain with min RH less than 20%. Northwest, onshore winds are expected to increase Saturday as well for coastal areas and adjacent river valleys. A cold front arrives this weekend leading to an even more pronounced cooling and moistening trend. Expect a more unstable atmosphere with more widespread overnight recoveries. A slight chance of rain showers exists for Humboldt, Del Norte, Trinity, and western Mendocino Monday into Tuesday. CAZ401-171330- Coastal Del Norte- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Mostly cloudy. Patchy dense fog. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...45-48 Ridges/upr slopes....43-49 * Max Humidity....... Valleys/lwr slopes...90-100 percent Ridges/upr slopes....85-100 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 mph in the evening...becoming light winds 2 to 4 mph. Ridges/upr slopes....Southwest winds 5 mph...shifting to the northwest after midnight. * Mixing Height..........600 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...61-67 Ridges/upr slopes....62-67 * Min Humidity....... Valleys/lwr slopes...67-82 percent Ridges/upr slopes....65-75 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....Variable 2 to 4 mph...becoming northwest 5 mph in the afternoon. * Mixing Height..........1700 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...46-49 Ridges/upr slopes....44-49 * Max Humidity....... Valleys/lwr slopes...95 percent Ridges/upr slopes....93-100 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 8 mph. Ridges/upr slopes....Variable 1 to 3 mph. * Mixing Height..........600 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Patchy fog in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...57-63 Ridges/upr slopes....58-62 * Min Humidity....... Valleys/lwr slopes...75-90 percent Ridges/upr slopes....72-82 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming southwest 5 to 7 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 7 mph in the afternoon. * Mixing Height..........1900 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ402-171330- Interior Del Norte Including the Smith River Valley- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Mostly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-54 Ridges/upr slopes....49-56 * Max Humidity....... Valleys/lwr slopes...66-81 percent Ridges/upr slopes....53-63 percent * 20-Foot Winds... Valleys/lwr slopes...Light winds 1 to 3 mph. Ridges/upr slopes....West winds 5 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy then becoming mostly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...68-76 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...60-70 percent Ridges/upr slopes....53-63 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to the west in the afternoon. Ridges/upr slopes....North winds 5 to 7 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 cloudy then becoming mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-51 Ridges/upr slopes....46-51 * Max Humidity....... Valleys/lwr slopes...81-96 percent Ridges/upr slopes....72-87 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 9 mph. Ridges/upr slopes....Northeast winds 5 to 9 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...63-71 Ridges/upr slopes....57-65 * Min Humidity....... Valleys/lwr slopes...64-79 percent Ridges/upr slopes....63-78 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 6 mph...shifting to the west 5 to 9 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 8 mph...shifting to the southwest in the afternoon. * Mixing Height..........2500 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ403-171330- Northeastern Interior Humboldt and Southwestern Siskiyou Including Orleans- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Partly cloudy. Patchy smoke early in the evening. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-54 Ridges/upr slopes....50-54 * Max Humidity....... Valleys/lwr slopes...48-58 percent Ridges/upr slopes....32-42 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 7 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. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-86 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...21-28 percent Ridges/upr slopes....27-35 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....North winds 5 mph...shifting to the west 5 to 7 mph in the afternoon. * Mixing Height..........4100 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Partly cloudy then becoming clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...45-50 Ridges/upr slopes....45-49 * Max Humidity....... Valleys/lwr slopes...69-84 percent Ridges/upr slopes....53-68 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 to 7 mph...shifting to the southeast 5 to 6 mph after midnight. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...73-81 Ridges/upr slopes....61-69 * Min Humidity....... Valleys/lwr slopes...29-37 percent Ridges/upr slopes....38-48 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming southwest 5 to 8 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 6 mph...shifting to the southwest 5 to 8 mph in the afternoon. * Mixing Height..........4000 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ404-171330- Northern Coastal Humboldt- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Mostly cloudy. Patchy fog in the late evening and overnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-48 Ridges/upr slopes....around 48 * Max Humidity....... Valleys/lwr slopes...91-100 percent Ridges/upr slopes....89 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..........600 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...60-66 Ridges/upr slopes....around 60 * Min Humidity....... Valleys/lwr slopes...73-88 percent Ridges/upr slopes....78 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........1500 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly cloudy. Patchy dense fog. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...45-50 Ridges/upr slopes....around 50 * 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....Variable 1 to 3 mph. * Mixing Height..........700 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Patchy fog in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...57-63 Ridges/upr slopes....around 54 * Min Humidity....... Valleys/lwr slopes...77-92 percent Ridges/upr slopes....88 percent * 20-Foot Winds... Valleys/lwr slopes...Light winds 2 to 5 mph...becoming northwest 5 to 9 mph in the afternoon. Ridges/upr slopes....Variable 2 to 5 mph...becoming northwest 6 mph in the afternoon. * Mixing Height..........2000 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ405-171330- Northwestern Interior Humboldt Including the Bald Hills- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Mostly cloudy then becoming partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-51 Ridges/upr slopes....46-54 * Max Humidity....... Valleys/lwr slopes...64-79 percent Ridges/upr slopes....56-71 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Variable 2 to 4 mph...becoming northwest 5 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...67-75 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...59-69 percent Ridges/upr slopes....54-64 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........1900 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...45-50 Ridges/upr slopes....45-51 * Max Humidity....... Valleys/lwr slopes...79-94 percent Ridges/upr slopes....71-86 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....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. .SUNDAY... * Sky/Weather............Partly cloudy then becoming sunny. Patchy fog in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...62-70 Ridges/upr slopes....57-64 * Min Humidity....... Valleys/lwr slopes...67-82 percent Ridges/upr slopes....70-80 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 7 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 mph...shifting to the west 5 to 7 mph in the afternoon. * Mixing Height..........2000 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ406-171330- Eastern Interior Humboldt Including Willow Creek and Hoopa- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...43-47 Ridges/upr slopes....49-54 * Max Humidity....... Valleys/lwr slopes...54-69 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....Northwest winds 5 to 7 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...77-85 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...27-35 percent Ridges/upr slopes....28-36 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....Northwest winds 5 to 8 mph. * Mixing Height..........3400 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Partly cloudy then becoming clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-48 Ridges/upr slopes....around 50 * Max Humidity....... Valleys/lwr slopes...74-89 percent Ridges/upr slopes....55-65 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to the east 5 to 6 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...72-80 Ridges/upr slopes....60-68 * Min Humidity....... Valleys/lwr slopes...36-46 percent Ridges/upr slopes....37-47 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming northwest 5 to 10 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 7 mph...shifting to the southwest 5 to 11 mph in the afternoon. * Mixing Height..........3400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ407-171330- Southwestern Humboldt Including the King Range and the Eel River Valley- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...43-51 Ridges/upr slopes....48-52 * Max Humidity....... Valleys/lwr slopes...77-92 percent Ridges/upr slopes....64-79 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 8 mph. Ridges/upr slopes....North winds 6 to 13 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny then becoming partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...73-81 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...41-51 percent Ridges/upr slopes....58-68 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 6 to 13 mph. Ridges/upr slopes....North winds 9 to 16 mph. * Mixing Height..........2100 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Partly cloudy. Patchy fog early in the morning. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...45-50 Ridges/upr slopes....47-51 * Max Humidity....... Valleys/lwr slopes...84-99 percent Ridges/upr slopes....76-91 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 7 to 14 mph. Ridges/upr slopes....North winds 7 to 14 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Partly cloudy then becoming sunny. Patchy fog early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...65-73 Ridges/upr slopes....54-62 * Min Humidity....... Valleys/lwr slopes...50-60 percent Ridges/upr slopes....71-86 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 12 mph. Ridges/upr slopes....Northwest winds 5 to 12 mph. * Mixing Height..........2300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ408-171330- Southeastern Interior Humboldt Including Kneeland and Alderpoint- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...45-50 Ridges/upr slopes....44-52 * Max Humidity....... Valleys/lwr slopes...61-76 percent Ridges/upr slopes....50-60 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph. Ridges/upr slopes....North winds 5 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny then becoming partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...71-79 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...48-58 percent Ridges/upr slopes....56-66 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 10 mph. Ridges/upr slopes....Northwest winds 5 to 10 mph. * Mixing Height..........3100 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 50 Ridges/upr slopes....43-51 * Max Humidity....... Valleys/lwr slopes...80-95 percent Ridges/upr slopes....67-82 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 8 mph. 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. .SUNDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...64-72 Ridges/upr slopes....58-66 * Min Humidity....... Valleys/lwr slopes...59-69 percent Ridges/upr slopes....70-80 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming northwest 5 to 10 mph in the afternoon. Ridges/upr slopes....Variable 2 to 5 mph...becoming west 5 to 8 mph in the afternoon. * Mixing Height..........2800 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ409-171330- Northwestern Trinity Including Salyer and Big Bar- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...41-48 Ridges/upr slopes....48-54 * Max Humidity....... Valleys/lwr slopes...48-58 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....West winds 5 to 7 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny then becoming partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...79-86 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...21-29 percent Ridges/upr slopes....18-24 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming northwest 5 to 9 mph in the afternoon. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........5300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...43-48 Ridges/upr slopes....45-51 * Max Humidity....... Valleys/lwr slopes...68-83 percent Ridges/upr slopes....43-53 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 9 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph...shifting to the east 5 to 6 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...76-83 Ridges/upr slopes....62-70 * Min Humidity....... Valleys/lwr slopes...27-35 percent Ridges/upr slopes....21-29 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming northwest 5 to 9 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 7 mph...shifting to the southwest 5 to 9 mph in the afternoon. * Mixing Height..........5100 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ410-171330- Northeastern Trinity Including Trinity Lake- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Partly cloudy. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...42-50 Ridges/upr slopes....44-52 * Max Humidity....... Valleys/lwr slopes...35-45 percent Ridges/upr slopes....23-31 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....Southwest winds 5 to 7 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny then becoming partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...77-84 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...13-17 percent Ridges/upr slopes....15-20 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming south 5 to 6 mph in the afternoon. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........6400 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Partly cloudy then becoming clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-50 Ridges/upr slopes....42-50 * Max Humidity....... Valleys/lwr slopes...53-63 percent Ridges/upr slopes....39-49 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...71-78 Ridges/upr slopes....59-67 * Min Humidity....... Valleys/lwr slopes...20-26 percent Ridges/upr slopes....22-30 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming southeast 5 to 8 mph in the afternoon. Ridges/upr slopes....South winds 5 to 9 mph. * Mixing Height..........4700 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ411-171330- Eastern Trinity Including Weaverville and Hayfork- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...39-47 Ridges/upr slopes....46-53 * Max Humidity....... Valleys/lwr slopes...42-52 percent Ridges/upr slopes....31-41 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....West winds 5 to 7 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...81-87 Ridges/upr slopes....70-78 * Min Humidity....... Valleys/lwr slopes...13-18 percent Ridges/upr slopes....14-19 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 7 mph in the afternoon. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........6700 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....45-50 * Max Humidity....... Valleys/lwr slopes...58-73 percent Ridges/upr slopes....49-59 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...75-83 Ridges/upr slopes....66-74 * Min Humidity....... Valleys/lwr slopes...16-23 percent Ridges/upr slopes....21-29 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming south 5 to 7 mph in the afternoon. Ridges/upr slopes....South winds 5 to 8 mph. * Mixing Height..........5400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ412-171330- Southern Trinity Including Ruth Lake and the Yolla Bollys- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...42-50 Ridges/upr slopes....43-51 * Max Humidity....... Valleys/lwr slopes...40-50 percent Ridges/upr slopes....37-47 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph. Ridges/upr slopes....West winds 5 to 6 mph...shifting to the southeast 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...79-86 Ridges/upr slopes....70-78 * Min Humidity....... Valleys/lwr slopes...19-27 percent Ridges/upr slopes....16-24 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 9 mph. Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 7 mph in the afternoon. * Mixing Height..........6200 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....43-51 * Max Humidity....... Valleys/lwr slopes...55-65 percent Ridges/upr slopes....50-60 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to the east 5 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...72-80 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...33-41 percent Ridges/upr slopes....25-33 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming west 5 to 9 mph in the afternoon. Ridges/upr slopes....South winds 5 to 6 mph...shifting to the southwest 5 to 9 mph in the afternoon. * Mixing Height..........4300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ413-171330- Coastal Mendocino- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-55 Ridges/upr slopes....47-55 * Max Humidity....... Valleys/lwr slopes...61-76 percent Ridges/upr slopes....53-68 percent * 20-Foot Winds... Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph. Ridges/upr slopes....Northeast winds 5 to 12 mph. * Mixing Height..........200 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....71-79 * Min Humidity....... Valleys/lwr slopes...56-66 percent Ridges/upr slopes....48-58 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 mph...shifting to the northwest 5 to 6 mph in the afternoon. Ridges/upr slopes....North winds 7 to 14 mph. * Mixing Height..........1300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Patchy dense fog after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...45-52 Ridges/upr slopes....44-52 * Max Humidity....... Valleys/lwr slopes...90-100 percent Ridges/upr slopes....83-98 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....North winds 6 to 13 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Patchy dense fog in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...58-66 Ridges/upr slopes....58-64 * Min Humidity....... Valleys/lwr slopes...72-87 percent Ridges/upr slopes....66-81 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 9 mph. Ridges/upr slopes....Northwest winds 5 to 11 mph. * Mixing Height..........1600 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ414-171330- Northern Interior Mendocino Including Leggett and Willits- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...41-49 Ridges/upr slopes....45-53 * Max Humidity....... Valleys/lwr slopes...52-62 percent Ridges/upr slopes....51-61 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to the north 5 mph after midnight. Ridges/upr slopes....North winds 5 to 8 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...81-89 Ridges/upr slopes....75-83 * Min Humidity....... Valleys/lwr slopes...19-27 percent Ridges/upr slopes....28-36 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 mph...shifting to the west 5 to 7 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 7 mph...shifting to the northwest 5 to 10 mph in the afternoon. * Mixing Height..........5500 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....43-51 * Max Humidity....... Valleys/lwr slopes...77-92 percent Ridges/upr slopes....69-84 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 9 mph. Ridges/upr slopes....North winds 5 to 9 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. Patchy fog in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...69-77 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...43-53 percent Ridges/upr slopes....55-65 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming southwest 5 to 9 mph in the afternoon. Ridges/upr slopes....East winds 5 mph...shifting to the southwest 5 to 8 mph in the afternoon. * Mixing Height..........2500 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ415-171330- Northeastern Interior Mendocino Including Covelo- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...43-51 Ridges/upr slopes....51-58 * 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..........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...13-17 percent Ridges/upr slopes....13-17 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming west 5 to 9 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 mph...shifting to the west 5 to 7 mph in the afternoon. * Mixing Height..........7100 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....48-55 * Max Humidity....... Valleys/lwr slopes...53-68 percent Ridges/upr slopes....38-48 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 9 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to the northeast 5 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...75-82 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...23-31 percent Ridges/upr slopes....22-30 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 9 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 mph...shifting to the southwest 5 to 9 mph in the afternoon. * Mixing Height..........4800 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ416-171330- Southeastern Interior Mendocino Including Ukiah and Potter Valley- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-56 Ridges/upr slopes....56-64 * Max Humidity....... Valleys/lwr slopes...43-53 percent Ridges/upr slopes....31-41 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 10 mph. Ridges/upr slopes....North winds 5 to 10 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...83-90 Ridges/upr slopes....78-84 * Min Humidity....... Valleys/lwr slopes...15-20 percent Ridges/upr slopes....15-21 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming west 5 to 8 mph in the afternoon. Ridges/upr slopes....South winds 5 to 6 mph...shifting to the west 5 to 8 mph in the afternoon. * Mixing Height..........7000 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...45-53 Ridges/upr slopes....50-58 * Max Humidity....... Valleys/lwr slopes...67-82 percent Ridges/upr slopes....53-63 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...71-79 Ridges/upr slopes....67-74 * Min Humidity....... Valleys/lwr slopes...32-42 percent Ridges/upr slopes....36-46 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 7 to 14 mph. Ridges/upr slopes....West winds 7 to 14 mph. * Mixing Height..........3500 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ417-171330- Southwestern Interior Mendocino Including Boonville- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-59 Ridges/upr slopes....52-60 * Max Humidity....... Valleys/lwr slopes...46-56 percent Ridges/upr slopes....39-49 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to the east 5 mph after midnight. Ridges/upr slopes....North winds 5 to 6 mph...shifting to the 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...80-88 Ridges/upr slopes....78-86 * Min Humidity....... Valleys/lwr slopes...26-34 percent Ridges/upr slopes....29-37 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 7 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 6 mph in the afternoon. * Mixing Height..........3800 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. Patchy dense fog early in the morning. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...46-54 Ridges/upr slopes....47-55 * Max Humidity....... Valleys/lwr slopes...78-93 percent Ridges/upr slopes....71-86 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Partly cloudy then becoming sunny. Patchy dense fog in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...65-73 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...59-69 percent Ridges/upr slopes....61-71 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 11 mph. Ridges/upr slopes....Northwest winds 5 to 11 mph. * Mixing Height..........2000 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ418-171330- Northern Lake Including Gravelly Valley- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-57 Ridges/upr slopes....55-63 * Max Humidity....... Valleys/lwr slopes...35-45 percent Ridges/upr slopes....24-32 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 mph...shifting to the east after midnight. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...87-91 Ridges/upr slopes....73-81 * Min Humidity....... Valleys/lwr slopes...11-16 percent Ridges/upr slopes....14-19 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 8 mph. * Mixing Height..........7100 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-55 Ridges/upr slopes....51-59 * Max Humidity....... Valleys/lwr slopes...43-53 percent Ridges/upr slopes....30-40 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-84 Ridges/upr slopes....66-74 * Min Humidity....... Valleys/lwr slopes...20-28 percent Ridges/upr slopes....21-29 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming southwest 5 to 8 mph in the afternoon. Ridges/upr slopes....West winds 5 to 10 mph. * Mixing Height..........4700 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ419-171330- Eastern Lake Including Clearlake and Middletown- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-59 Ridges/upr slopes....57-63 * Max Humidity....... Valleys/lwr slopes...44-54 percent Ridges/upr slopes....31-39 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....West 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...85-89 Ridges/upr slopes....79-84 * Min Humidity....... Valleys/lwr slopes...16-21 percent Ridges/upr slopes....16-21 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 10 mph. Ridges/upr slopes....West winds 5 to 10 mph. * Mixing Height..........6800 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-57 Ridges/upr slopes....54-58 * Max Humidity....... Valleys/lwr slopes...56-71 percent Ridges/upr slopes....42-52 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...79-83 Ridges/upr slopes....73-78 * Min Humidity....... Valleys/lwr slopes...22-28 percent Ridges/upr slopes....22-29 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 11 mph. Ridges/upr slopes....West winds 5 to 11 mph. * Mixing Height..........4900 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ420-171330- Southern Lake Including Cobb and Konocti- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...53-61 Ridges/upr slopes....62-66 * Max Humidity....... Valleys/lwr slopes...34-44 percent Ridges/upr slopes....25-33 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 9 mph. Ridges/upr slopes....West winds 5 to 9 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...85-89 Ridges/upr slopes....77-84 * Min Humidity....... Valleys/lwr slopes...16-21 percent Ridges/upr slopes....16-22 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming west 5 to 9 mph in the afternoon. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........6200 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-56 Ridges/upr slopes....55-59 * Max Humidity....... Valleys/lwr slopes...53-63 percent Ridges/upr slopes....41-51 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...around 80 Ridges/upr slopes....69-76 * Min Humidity....... Valleys/lwr slopes...26-32 percent Ridges/upr slopes....29-37 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming southwest 5 to 10 mph in the afternoon. Ridges/upr slopes....West winds 5 to 9 mph. * Mixing Height..........3800 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ421-171330- Western Lake Including Lakeport- 217 PM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...52-59 Ridges/upr slopes....58-66 * Max Humidity....... Valleys/lwr slopes...44-54 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 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...82-88 Ridges/upr slopes....80-83 * Min Humidity....... Valleys/lwr slopes...16-24 percent Ridges/upr slopes....15-20 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming west 5 to 9 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 7 mph in the afternoon. * Mixing Height..........7300 ft AGL. * Chc of Wetting Rain....0 percent. .SATURDAY NIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-54 Ridges/upr slopes....52-58 * Max Humidity....... Valleys/lwr slopes...59-74 percent Ridges/upr slopes....42-52 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........300 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...75-80 Ridges/upr slopes....70-73 * Min Humidity....... Valleys/lwr slopes...31-39 percent Ridges/upr slopes....31-37 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming west 5 to 9 mph in the afternoon. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........4600 ft AGL. * Chc of Wetting Rain....0 percent. $$ .EXTENDED FORECAST FOR DAYS 3 THROUGH 5... ...Northwest California Coast... .MONDAY...Patchy fog. Mostly cloudy with chance of showers. Lows 42 to 50. Highs 54 to 60. Northwest winds 5 mph. .TUESDAY...Mostly cloudy with chance of rain. Lows 41 to 49. Highs 58 to 63. Northeast winds 5 mph. .WEDNESDAY...Partly cloudy. Lows 41 to 49. Highs 60 to 66. North winds 5 mph. ...Northwest California Interior... .MONDAY...Partly cloudy with slight chance of showers. Patchy fog. Lows 40 to 48. Highs 58 to 67. West winds 5 mph. .TUESDAY...Mostly cloudy. Slight chance of rain. Patchy fog. Lows 38 to 46. Highs 61 to 70. Winds generally less than 5 mph. .WEDNESDAY...Partly cloudy. Lows 39 to 47. Highs 65 to 74. Winds generally less than 5 mph. .6 to 10 DAY OUTLOOK...Thursday October 22 THROUGH Monday October 26, 2026... FOR NW CALIF...BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION. $$ visit us at www.weather.gov/eureka