


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
630 FNUS56 KEKA 082222 FWFEKA FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA NATIONAL WEATHER SERVICE Eureka CA 322 PM PDT Wed Oct 8 2025 .DISCUSSION...Onshore flow will begin to return today, generally cooling conditions back into the upper 70s or low 80s and raising daytime RH to near 30 percent. Southwest winds will be slightly enhanced Wednesday afternoon with some gusts near 20 mph in exposed areas. Marine influence will continue to increase through the week with building clouds by Thursday night. Light to moderate rain will move across the area Friday, but will be mostly focused on the North Coast. A few thunderstorms are possible near the coast. Scattered rain showers will persist into the weekend. CAZ201-091315- North Coast- 322 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Patchy fog in the late evening and early morning. Slight chance of rain after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...42-47 Ridges/upr slopes....42-48 * Max Humidity....... Valleys/lwr slopes...85-100 percent Ridges/upr slopes....78-93 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph...shifting to the east 5 mph after midnight. Ridges/upr slopes....North winds 5 to 9 mph...shifting to the east 5 to 6 mph after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Mostly cloudy. Chance of rain late in the afternoon. * Chance Lightning.......0% increasing to 10% in the afternoon. * Max Temperature....... Valleys/lwr slopes...57-65 Ridges/upr slopes....54-60 * Min Humidity....... Valleys/lwr slopes...62-77 percent Ridges/upr slopes....61-76 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 mph...shifting to the southwest 5 to 6 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 6 mph...shifting to the southwest in the afternoon. * Mixing Height..........3300 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly cloudy. Rain likely. * Min Temperature....... Valleys/lwr slopes...45-50 Ridges/upr slopes....46-51 * Max Humidity....... Valleys/lwr slopes...84-99 percent Ridges/upr slopes....75-90 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 9 mph. Ridges/upr slopes....Southeast winds 5 to 11 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....10 percent. .FRIDAY... * Sky/Weather............Rain in the morning, then showers and isolated thunderstorms in the afternoon. * Max Temperature....... Valleys/lwr slopes...56-64 Ridges/upr slopes....53-61 * Min Humidity....... Valleys/lwr slopes...77-92 percent Ridges/upr slopes....71-86 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 6 to 10 mph. Ridges/upr slopes....South winds 6 to 13 mph. * Mixing Height..........2700 ft AGL. * Chc of Wetting Rain....90 percent. $$ CAZ202-091315- Coastal Mendocino- 322 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Mostly cloudy. Patchy fog until early morning. Slight chance of rain in the late evening and overnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-53 Ridges/upr slopes....43-51 * Max Humidity....... Valleys/lwr slopes...89-100 percent Ridges/upr slopes....85-100 percent * 20-Foot Winds... Valleys/lwr slopes...Light winds 1 to 3 mph. Ridges/upr slopes....Southwest winds 5 mph in the evening...becoming light winds 2 to 4 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....10 percent. .THURSDAY... * Sky/Weather............Mostly cloudy. Slight chance of showers. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...59-65 Ridges/upr slopes....59-64 * Min Humidity....... Valleys/lwr slopes...69-84 percent Ridges/upr slopes....62-77 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 mph...shifting to the west 5 to 6 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 6 mph in the afternoon. * Mixing Height..........2600 ft AGL. * Chc of Wetting Rain....10 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Chance of rain through the night. * Min Temperature....... Valleys/lwr slopes...around 50 Ridges/upr slopes....42-50 * Max Humidity....... Valleys/lwr slopes...85-97 percent Ridges/upr slopes....80-95 percent * 20-Foot Winds... Valleys/lwr slopes...Light winds 2 to 4 mph...becoming southeast 5 to 6 mph after midnight. Ridges/upr slopes....Southwest winds 5 mph...shifting to the southeast 5 to 6 mph after midnight. * Mixing Height..........100 ft AGL. * Chc of Wetting Rain....10 percent. .FRIDAY... * Sky/Weather............Mostly cloudy. Rain likely. * Max Temperature....... Valleys/lwr slopes...59-66 Ridges/upr slopes....59-64 * Min Humidity....... Valleys/lwr slopes...77-92 percent Ridges/upr slopes....68-83 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 8 mph. Ridges/upr slopes....South winds 5 to 8 mph. * Mixing Height..........2400 ft AGL. * Chc of Wetting Rain....50 percent. $$ CAZ203-204-091315- Upper Smith-Lower Middle Klamath- 322 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Slight chance of rain in the late evening and early morning. Chance of rain late in the night. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...41-45 Ridges/upr slopes....39-44 * Max Humidity....... Valleys/lwr slopes...83-98 percent Ridges/upr slopes....73-87 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....Southwest winds 5 to 8 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Mostly cloudy. Chance of rain early in the morning. Slight chance of showers in the late morning and early afternoon, then chance of rain late in the afternoon. * Chance Lightning.......0% increasing to 10% in the afternoon. * Max Temperature....... Valleys/lwr slopes...59-67 Ridges/upr slopes....47-55 * Min Humidity....... Valleys/lwr slopes...59-69 percent Ridges/upr slopes....58-69 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 8 mph. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........3900 ft AGL. * Chc of Wetting Rain....10 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly cloudy. Rain likely. * Min Temperature....... Valleys/lwr slopes...45-48 Ridges/upr slopes....42-46 * Max Humidity....... Valleys/lwr slopes...83-98 percent Ridges/upr slopes....74-89 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 6 mph in the evening...becoming light winds 2 to 4 mph. Ridges/upr slopes....South winds 5 to 10 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....30 percent. .FRIDAY... * Sky/Weather............Rain. * Max Temperature....... Valleys/lwr slopes...57-65 Ridges/upr slopes....44-52 * Min Humidity....... Valleys/lwr slopes...70-85 percent Ridges/upr slopes....65-78 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 10 mph. Ridges/upr slopes....South winds 5 to 10 mph. * Mixing Height..........3400 ft AGL. * Chc of Wetting Rain....90 percent. $$ CAZ211-212-091315- Hoopa-Van Duzen/Mad River- 322 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Slight chance of rain in the late evening and early morning. Slight chance of showers late in the night. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...42-46 Ridges/upr slopes....41-46 * Max Humidity....... Valleys/lwr slopes...86-100 percent Ridges/upr slopes....80-95 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....10 percent. .THURSDAY... * Sky/Weather............Mostly cloudy. Slight chance of showers until late afternoon, then chance of rain late in the afternoon. * Chance Lightning.......10%. * Max Temperature....... Valleys/lwr slopes...61-69 Ridges/upr slopes....50-58 * Min Humidity....... Valleys/lwr slopes...57-72 percent Ridges/upr slopes....63-78 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........4000 ft AGL. * Chc of Wetting Rain....10 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly cloudy. Chance of rain. * Min Temperature....... Valleys/lwr slopes...44-47 Ridges/upr slopes....39-47 * Max Humidity....... Valleys/lwr slopes...85-100 percent Ridges/upr slopes....78-93 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 mph...shifting to the southeast 5 to 6 mph after midnight. Ridges/upr slopes....South winds 5 to 9 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....10 percent. .FRIDAY... * Sky/Weather............Rain. * Max Temperature....... Valleys/lwr slopes...58-66 Ridges/upr slopes....47-55 * Min Humidity....... Valleys/lwr slopes...73-88 percent Ridges/upr slopes....65-80 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 10 mph. Ridges/upr slopes....South winds 5 to 10 mph. * Mixing Height..........3200 ft AGL. * Chc of Wetting Rain....80 percent. $$ CAZ283-091315- Trinity- 322 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Slight chance of rain until early morning. Chance of showers late in the night. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...43-47 Ridges/upr slopes....39-46 * Max Humidity....... Valleys/lwr slopes...91-100 percent Ridges/upr slopes....83-98 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....Southwest winds 5 to 9 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....10 percent. .THURSDAY... * Sky/Weather............Cloudy. Chance of showers. * Chance Lightning.......10%. * Max Temperature....... Valleys/lwr slopes...57-62 Ridges/upr slopes....45-53 * Min Humidity....... Valleys/lwr slopes...61-76 percent Ridges/upr slopes....73-88 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 7 mph. Ridges/upr slopes....South winds 5 to 9 mph. * Mixing Height..........3800 ft AGL. * Chc of Wetting Rain....10 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly cloudy. Chance of rain. * Min Temperature....... Valleys/lwr slopes...43-46 Ridges/upr slopes....36-44 * Max Humidity....... Valleys/lwr slopes...91-100 percent Ridges/upr slopes....80-95 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 mph in the evening...becoming light winds 2 to 4 mph. Ridges/upr slopes....South winds 5 to 9 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....20 percent. .FRIDAY... * Sky/Weather............Mostly cloudy. Rain. * Max Temperature....... Valleys/lwr slopes...56-62 Ridges/upr slopes....42-50 * Min Humidity....... Valleys/lwr slopes...59-74 percent Ridges/upr slopes....71-86 percent * 20-Foot Winds... Valleys/lwr slopes...Light winds 2 to 4 mph...becoming south 5 to 6 mph in the afternoon. Ridges/upr slopes....South winds 5 to 10 mph. * Mixing Height..........3800 ft AGL. * Chc of Wetting Rain....70 percent. $$ CAZ276-091315- Interior Mendocino- 322 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Mostly cloudy. Slight chance of rain in the late evening and early morning. Slight chance of showers late in the night. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...44-52 Ridges/upr slopes....44-52 * Max Humidity....... Valleys/lwr slopes...87-100 percent Ridges/upr slopes....84-99 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 8 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........100 ft AGL. * Chc of Wetting Rain....10 percent. .THURSDAY... * Sky/Weather............Mostly cloudy. Slight chance of showers through the day. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...60-68 Ridges/upr slopes....56-64 * Min Humidity....... Valleys/lwr slopes...59-74 percent Ridges/upr slopes....62-75 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 8 mph. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........3500 ft AGL. * Chc of Wetting Rain....10 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Chance of rain through the night. * Min Temperature....... Valleys/lwr slopes...41-48 Ridges/upr slopes....42-49 * Max Humidity....... Valleys/lwr slopes...83-98 percent Ridges/upr slopes....77-92 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph...shifting to the southeast 5 mph after midnight. Ridges/upr slopes....West winds 5 to 6 mph...shifting to the southeast after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Mostly cloudy. Rain likely. * Max Temperature....... Valleys/lwr slopes...59-67 Ridges/upr slopes....55-63 * Min Humidity....... Valleys/lwr slopes...62-77 percent Ridges/upr slopes....64-79 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to the south 6 to 9 mph in the afternoon. Ridges/upr slopes....South winds 5 to 9 mph. * Mixing Height..........3300 ft AGL. * Chc of Wetting Rain....40 percent. $$ CAZ277-091315- W Mendocino NF/E Mendocino Unit- 322 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Slight chance of rain in the late evening and early morning. Slight chance of showers late in the night. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...40-48 Ridges/upr slopes....41-49 * Max Humidity....... Valleys/lwr slopes...84-99 percent Ridges/upr slopes....82-97 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph. Ridges/upr slopes....Southwest winds 5 to 7 mph. * Mixing Height..........100 ft AGL. * Chc of Wetting Rain....10 percent. .THURSDAY... * Sky/Weather............Mostly cloudy. Slight chance of showers. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...61-69 Ridges/upr slopes....50-58 * Min Humidity....... Valleys/lwr slopes...56-68 percent Ridges/upr slopes....62-77 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 8 mph. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........4400 ft AGL. * Chc of Wetting Rain....10 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Chance of rain through the night. * Min Temperature....... Valleys/lwr slopes...39-45 Ridges/upr slopes....38-45 * Max Humidity....... Valleys/lwr slopes...83-98 percent Ridges/upr slopes....76-91 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 6 mph...shifting to the southeast 5 mph after midnight. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....10 percent. .FRIDAY... * Sky/Weather............Mostly cloudy. Rain likely. * Max Temperature....... Valleys/lwr slopes...58-65 Ridges/upr slopes....48-56 * Min Humidity....... Valleys/lwr slopes...61-72 percent Ridges/upr slopes....58-73 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 9 mph. Ridges/upr slopes....South winds 5 to 10 mph. * Mixing Height..........3800 ft AGL. * Chc of Wetting Rain....50 percent. $$ CAZ264-091315- Lake County Portion of Lake/Napa/Sonoma RU- 322 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Slight chance of rain after midnight. Slight chance of showers late in the night. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 47 Ridges/upr slopes....48-53 * Max Humidity....... Valleys/lwr slopes...95 percent Ridges/upr slopes....79-94 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 6 mph in the evening...becoming light winds 2 to 4 mph. Ridges/upr slopes....Southwest winds 5 to 10 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....10 percent. .THURSDAY... * Sky/Weather............Mostly cloudy. Slight chance of showers through the day. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...around 62 Ridges/upr slopes....55-60 * Min Humidity....... Valleys/lwr slopes...63 percent Ridges/upr slopes....65-75 percent * 20-Foot Winds... Valleys/lwr slopes...Light winds 2 to 4 mph...becoming west 5 to 7 mph in the afternoon. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........4100 ft AGL. * Chc of Wetting Rain....10 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly cloudy then becoming mostly clear. * Min Temperature....... Valleys/lwr slopes...around 42 Ridges/upr slopes....45-48 * Max Humidity....... Valleys/lwr slopes...92 percent Ridges/upr slopes....68-79 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 9 mph. Ridges/upr slopes....West winds 5 to 9 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny then becoming mostly cloudy. Chance of rain in the late morning and afternoon. * Max Temperature....... Valleys/lwr slopes...around 61 Ridges/upr slopes....54-59 * Min Humidity....... Valleys/lwr slopes...63 percent Ridges/upr slopes....57-71 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 11 mph. Ridges/upr slopes....Southwest winds 5 to 12 mph. * Mixing Height..........5100 ft AGL. * Chc of Wetting Rain....10 percent. $$ .EXTENDED FORECAST FOR DAYS 3 THROUGH 5... ...Northwest California Coast... .SATURDAY...Mostly cloudy with showers and isolated thunderstorms. Rain likely after midnight. Chance of rain and patchy fog. Lows near 50. Highs 56 to 63. Southeast winds 5 mph. .SUNDAY...Partly cloudy with chance of rain. Patchy fog. Lows in the mid to upper 40s. Highs 55 to 63. North winds 5 mph. .COLUMBUS DAY...Mostly cloudy with rain likely. Patchy fog. Lows 45 to 50. Highs 53 to 59. South winds 5 mph. ...Northwest California Interior... .SATURDAY...Mostly cloudy. Chance of rain. Lows 40 to 48. Highs 58 to 68. West winds 5 mph. .SUNDAY...Mostly clear. Slight chance of rain. Patchy frost in the morning. Lows 38 to 46. Highs 60 to 70. Northwest winds 5 mph. .COLUMBUS DAY...Mostly cloudy. Rain likely. Lows 40 to 48. Highs 51 to 61. West winds 5 mph. .6 to 10 DAY OUTLOOK...Tuesday October 14 THROUGH Saturday October 18, 2025... FOR NW CALIF...BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION. $$ visit us at www.weather.gov/eureka