


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
574 FNUS56 KEKA 300748 FWFEKA FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA NATIONAL WEATHER SERVICE Eureka CA 1248 AM PDT Tue Sep 30 2025 .DISCUSSION...A cold front moving through is expected to bring strong southerly winds and periods of light rain this afternoon and evening. Gusts of 40 to 50 mph are possible in Humboldt and Del Norte county in the higher terrain with lighter winds elsewhere. Occasional showers continue Wednesday eventually tapering off on Thursday. Dry weather and offshore winds are expected Friday through early next week. CAZ201-010130- North Coast- 1248 AM PDT Tue Sep 30 2025 .TODAY... * Sky/Weather............Chance of rain in the morning. Rain early in the afternoon, then showers late in the afternoon. * Chance Lightning.......10%. * Max Temperature....... Valleys/lwr slopes...60-66 Ridges/upr slopes....56-62 * Min Humidity....... Valleys/lwr slopes...71-86 percent Ridges/upr slopes....66-81 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 9 to 16 mph. Gusts to 40 mph. Ridges/upr slopes....South winds 11 to 21 mph. Gusts to 45 mph. * Mixing Height..........3000 ft AGL. * Chc of Wetting Rain....50 percent. .TONIGHT... * Sky/Weather............Showers early in the evening, then showers likely in the late evening and early morning. Chance of showers early in the morning. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...51-56 Ridges/upr slopes....51-56 * Max Humidity....... Valleys/lwr slopes...93-100 percent Ridges/upr slopes....93-100 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 9 to 16 mph. Ridges/upr slopes....South winds 9 to 16 mph. Gusts to 30 mph in the evening. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....70 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy. Chance of showers. * Max Temperature....... Valleys/lwr slopes...63-71 Ridges/upr slopes....59-67 * Min Humidity....... Valleys/lwr slopes...75-90 percent Ridges/upr slopes....72-87 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 11 mph. Ridges/upr slopes....South winds 5 to 11 mph. * Mixing Height..........4400 ft AGL. * Chc of Wetting Rain....10 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly cloudy. Chance of showers through the night. Slight chance of showers after midnight. Patchy fog early in the morning. * Min Temperature....... Valleys/lwr slopes...47-52 Ridges/upr slopes....48-55 * Max Humidity....... Valleys/lwr slopes...86-100 percent Ridges/upr slopes....77-92 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....Southwest winds 5 to 6 mph...shifting to the southeast 5 mph after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....10 percent. $$ CAZ202-010130- Coastal Mendocino- 1248 AM PDT Tue Sep 30 2025 .TODAY... * Sky/Weather............Mostly cloudy. Chance of rain in the late morning and early afternoon. Showers likely late in the afternoon. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...62-67 Ridges/upr slopes....60-65 * Min Humidity....... Valleys/lwr slopes...72-87 percent Ridges/upr slopes....62-77 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 11 mph. Ridges/upr slopes....South winds 5 to 12 mph. * Mixing Height..........2800 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Showers likely early in the evening, then showers in the late evening and early morning. Chance of showers early in the morning. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...54-57 Ridges/upr slopes....49-57 * Max Humidity....... Valleys/lwr slopes...94-100 percent Ridges/upr slopes....94-100 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 12 mph. Ridges/upr slopes....Southeast winds 5 to 12 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....70 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Patchy fog in the morning. Chance of showers through the day. * Max Temperature....... Valleys/lwr slopes...62-70 Ridges/upr slopes....63-69 * Min Humidity....... Valleys/lwr slopes...80-95 percent Ridges/upr slopes....70-85 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to the southwest in the afternoon. Ridges/upr slopes....Southeast winds 5 to 9 mph...shifting to the south 5 mph in the afternoon. * Mixing Height..........2800 ft AGL. * Chc of Wetting Rain....40 percent. .WEDNESDAY NIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy then becoming partly cloudy. Slight chance of showers through the night. Patchy fog in the late evening and overnight. * Min Temperature....... Valleys/lwr slopes...49-53 Ridges/upr slopes....45-53 * Max Humidity....... Valleys/lwr slopes...86-100 percent Ridges/upr slopes....81-96 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 in the evening...becoming downslope/downvalley 1 to 3 mph. * Mixing Height..........100 ft AGL. * Chc of Wetting Rain....10 percent. $$ CAZ203-204-010130- Upper Smith-Lower Middle Klamath- 1248 AM PDT Tue Sep 30 2025 .TODAY... * Sky/Weather............Chance of rain in the morning, then rain early in the afternoon. Showers late in the afternoon. * Chance Lightning.......10%. * Max Temperature....... Valleys/lwr slopes...60-68 Ridges/upr slopes....49-56 * Min Humidity....... Valleys/lwr slopes...64-79 percent Ridges/upr slopes....58-70 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 6 to 13 mph. Ridges/upr slopes....Southwest winds 14 to 24 mph. Gusts to 45 mph. * Mixing Height..........4800 ft AGL. * Chc of Wetting Rain....70 percent. .TONIGHT... * Sky/Weather............Showers until early morning, then showers likely early in the morning. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...50-53 Ridges/upr slopes....45-51 * Max Humidity....... Valleys/lwr slopes...91-100 percent Ridges/upr slopes....93-100 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 12 mph. Ridges/upr slopes....Southwest winds 7 to 14 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....70 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy. Showers likely. * Max Temperature....... Valleys/lwr slopes...63-71 Ridges/upr slopes....50-58 * Min Humidity....... Valleys/lwr slopes...67-82 percent Ridges/upr slopes....63-73 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 7 to 14 mph. Ridges/upr slopes....Southwest winds 7 to 14 mph. * Mixing Height..........4600 ft AGL. * Chc of Wetting Rain....20 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly cloudy. Chance of showers through the night. Slight chance of showers after midnight. * Min Temperature....... Valleys/lwr slopes...46-49 Ridges/upr slopes....45-51 * Max Humidity....... Valleys/lwr slopes...85-100 percent Ridges/upr slopes....72-87 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 8 mph. Ridges/upr slopes....South winds 5 to 8 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....10 percent. $$ CAZ211-212-010130- Hoopa-Van Duzen/Mad River- 1248 AM PDT Tue Sep 30 2025 .TODAY... * Sky/Weather............Slight chance of rain late in the morning. Rain early in the afternoon, then showers late in the afternoon. * Chance Lightning.......10%. * Max Temperature....... Valleys/lwr slopes...61-69 Ridges/upr slopes....51-59 * Min Humidity....... Valleys/lwr slopes...62-77 percent Ridges/upr slopes....62-77 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 12 mph. Ridges/upr slopes....South winds 12 to 19 mph. Gusts to 40 mph. * Mixing Height..........4000 ft AGL. * Chc of Wetting Rain....40 percent. .TONIGHT... * Sky/Weather............Showers until early morning, then chance of showers early in the morning. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...50-53 Ridges/upr slopes....43-51 * Max Humidity....... Valleys/lwr slopes...91-100 percent Ridges/upr slopes....92-100 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 12 mph. Ridges/upr slopes....Southeast winds 5 to 12 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....60 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy. Chance of showers. * Max Temperature....... Valleys/lwr slopes...66-74 Ridges/upr slopes....54-62 * Min Humidity....... Valleys/lwr slopes...59-69 percent Ridges/upr slopes....62-77 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 10 mph. Ridges/upr slopes....South winds 5 to 10 mph. * Mixing Height..........5000 ft AGL. * Chc of Wetting Rain....20 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly cloudy. Chance of showers until early morning. Patchy fog after midnight. * Min Temperature....... Valleys/lwr slopes...46-49 Ridges/upr slopes....41-49 * Max Humidity....... Valleys/lwr slopes...87-100 percent Ridges/upr slopes....76-91 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 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....10 percent. $$ CAZ283-010130- Trinity- 1248 AM PDT Tue Sep 30 2025 .TODAY... * Sky/Weather............Mostly cloudy. Slight chance of rain early in the morning. Chance of rain in the late morning and early afternoon, then showers late in the afternoon. * Chance Lightning.......10%. * Max Temperature....... Valleys/lwr slopes...59-65 Ridges/upr slopes....47-55 * Min Humidity....... Valleys/lwr slopes...55-65 percent Ridges/upr slopes....68-83 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 7 mph. Ridges/upr slopes....South winds 10 to 17 mph. Gusts to 35 mph. * Mixing Height..........4300 ft AGL. * Chc of Wetting Rain....30 percent. .TONIGHT... * Sky/Weather............Showers likely in the evening, then showers after midnight. Showers likely early in the morning. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...46-49 Ridges/upr slopes....39-47 * Max Humidity....... Valleys/lwr slopes...93-100 percent Ridges/upr slopes....93-100 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the east 5 mph after midnight. Ridges/upr slopes....South winds 10 to 17 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....50 percent. .WEDNESDAY... * Sky/Weather............Showers likely. * Max Temperature....... Valleys/lwr slopes...59-66 Ridges/upr slopes....48-56 * Min Humidity....... Valleys/lwr slopes...64-79 percent Ridges/upr slopes....73-88 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 11 mph. Ridges/upr slopes....Southeast winds 5 to 11 mph. * Mixing Height..........4600 ft AGL. * Chc of Wetting Rain....30 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly cloudy. Chance of showers through the night. Slight chance of showers after midnight. * Min Temperature....... Valleys/lwr slopes...44-47 Ridges/upr slopes....38-46 * Max Humidity....... Valleys/lwr slopes...91-100 percent Ridges/upr slopes....75-90 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 6 mph in the evening...becoming light winds 2 to 4 mph. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....10 percent. $$ CAZ276-010130- Interior Mendocino- 1248 AM PDT Tue Sep 30 2025 .TODAY... * Sky/Weather............Mostly cloudy. Slight chance of rain late in the morning. Chance of rain early in the afternoon, then rain likely late in the afternoon. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...62-68 Ridges/upr slopes....57-65 * Min Humidity....... Valleys/lwr slopes...54-69 percent Ridges/upr slopes....59-74 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 11 mph. Ridges/upr slopes....South winds 7 to 14 mph. Gusts to 30 mph. * Mixing Height..........3700 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Showers likely in the evening, then showers after midnight. Showers likely early in the morning. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...48-56 Ridges/upr slopes....49-56 * Max Humidity....... Valleys/lwr slopes...93-100 percent Ridges/upr slopes....93-100 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 11 mph. Ridges/upr slopes....Southeast winds 5 to 11 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....70 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy. Showers likely. * Max Temperature....... Valleys/lwr slopes...64-72 Ridges/upr slopes....60-68 * Min Humidity....... Valleys/lwr slopes...63-78 percent Ridges/upr slopes....64-79 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 9 mph. Ridges/upr slopes....South winds 5 to 9 mph. * Mixing Height..........3700 ft AGL. * Chc of Wetting Rain....50 percent. .WEDNESDAY NIGHT... * Sky/Weather............Partly cloudy. Slight chance of showers through the night. Patchy fog after midnight. * Min Temperature....... Valleys/lwr slopes...44-52 Ridges/upr slopes....45-53 * 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 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..........0 ft AGL. * Chc of Wetting Rain....10 percent. $$ CAZ277-010130- W Mendocino NF/E Mendocino Unit- 1248 AM PDT Tue Sep 30 2025 .TODAY... * Sky/Weather............Mostly cloudy. Patchy fog early in the morning. Slight chance of rain in the late morning and early afternoon. Rain likely late in the afternoon. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...61-69 Ridges/upr slopes....51-59 * Min Humidity....... Valleys/lwr slopes...54-64 percent Ridges/upr slopes....58-73 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 10 mph. Ridges/upr slopes....South winds 7 to 14 mph. * Mixing Height..........4300 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Chance of showers early in the evening, then showers likely in the late evening and overnight. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...46-53 Ridges/upr slopes....43-51 * Max Humidity....... Valleys/lwr slopes...91-100 percent Ridges/upr slopes....91-100 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 10 mph. Ridges/upr slopes....Southeast winds 5 to 11 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....60 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy. Showers likely. * Max Temperature....... Valleys/lwr slopes...64-72 Ridges/upr slopes....52-60 * Min Humidity....... Valleys/lwr slopes...58-71 percent Ridges/upr slopes....67-82 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 10 mph. Ridges/upr slopes....South winds 5 to 10 mph. * Mixing Height..........4700 ft AGL. * Chc of Wetting Rain....50 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Chance of showers in the evening. Patchy fog early in the morning. * Min Temperature....... Valleys/lwr slopes...41-48 Ridges/upr slopes....42-49 * Max Humidity....... Valleys/lwr slopes...82-97 percent Ridges/upr slopes....78-93 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..........0 ft AGL. * Chc of Wetting Rain....10 percent. $$ CAZ264-010130- Lake County Portion of Lake/Napa/Sonoma RU- 1248 AM PDT Tue Sep 30 2025 .TODAY... * Sky/Weather............Mostly cloudy. Chance of rain early in the afternoon. Chance of showers late in the afternoon. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...around 63 Ridges/upr slopes....56-61 * Min Humidity....... Valleys/lwr slopes...57 percent Ridges/upr slopes....60-70 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to the southwest 6 to 9 mph in the afternoon. Ridges/upr slopes....Southwest winds 7 to 14 mph. * Mixing Height..........4600 ft AGL. * Chc of Wetting Rain....10 percent. .TONIGHT... * Sky/Weather............Mostly cloudy. Chance of showers in the evening, then showers likely after midnight. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...around 49 Ridges/upr slopes....51-55 * Max Humidity....... Valleys/lwr slopes...93 percent Ridges/upr slopes....84-99 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 9 mph. Ridges/upr slopes....Southeast winds 5 to 11 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....30 percent. .WEDNESDAY... * Sky/Weather............Mostly cloudy. Showers likely. * Max Temperature....... Valleys/lwr slopes...around 64 Ridges/upr slopes....57-62 * Min Humidity....... Valleys/lwr slopes...65 percent Ridges/upr slopes....63-73 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 8 mph. Ridges/upr slopes....South winds 5 to 8 mph. * Mixing Height..........3300 ft AGL. * Chc of Wetting Rain....50 percent. .WEDNESDAY NIGHT... * Sky/Weather............Partly cloudy. Chance of showers in the evening. Patchy fog early in the morning. * Min Temperature....... Valleys/lwr slopes...around 46 Ridges/upr slopes....51-56 * Max Humidity....... Valleys/lwr slopes...95 percent Ridges/upr slopes....66-80 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 7 mph...shifting to the northwest 5 mph after midnight. Ridges/upr slopes....Southwest winds 5 to 9 mph...shifting to the northwest 5 to 6 mph after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....10 percent. $$ .EXTENDED FORECAST FOR DAYS 3 THROUGH 5... ...Northwest California Coast... .THURSDAY...Partly cloudy. Patchy fog in the morning. Lows near 50. Highs 59 to 65. North winds 5 mph. .FRIDAY...Mostly clear. Lows near 50. Highs 61 to 66. North winds 5 mph. .SATURDAY...Partly cloudy. Lows near 50. Highs 62 to 68. North winds 5 mph. ...Northwest California Interior... .THURSDAY...Partly cloudy. Patchy fog in the morning. Lows 43 to 51. Highs 64 to 73. Northwest winds 5 mph. .FRIDAY...Mostly clear. Lows 44 to 52. Highs 70 to 80. Northwest winds 5 mph. .SATURDAY...Mostly clear. Lows 45 to 53. Highs 73 to 83. North winds 5 mph. .6 to 10 DAY OUTLOOK...Sunday October 5 THROUGH Thursday October 9, 2025... FOR NW CALIF...BELOW NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION. $$ visit us at www.weather.gov/eureka