


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
259 FNUS56 KEKA 090727 FWFEKA FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA NATIONAL WEATHER SERVICE Eureka CA 1227 AM PDT Thu Oct 9 2025 .DISCUSSION...Marine influence will continue to increase through the week with building clouds by Thursday night. Light to moderate rain will move across the area Thursday and last for several days as a low pressure system moves through the area. A few thunderstorms are possible near the coast. Scattered rain showers will persist into the weekend. CAZ201-100115- North Coast- 1227 AM PDT Thu Oct 9 2025 .TODAY... * Sky/Weather............Mostly cloudy. Chance of showers late in the afternoon. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...57-65 Ridges/upr slopes....54-61 * Min Humidity....... Valleys/lwr slopes...59-74 percent Ridges/upr slopes....59-74 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 mph...shifting to the southwest 5 to 7 mph in the afternoon. * Mixing Height..........3700 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly cloudy. Chance of showers early in the evening, then slight chance of showers late in the evening. Showers likely after midnight. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...45-51 Ridges/upr slopes....45-50 * Max Humidity....... Valleys/lwr slopes...87-100 percent Ridges/upr slopes....81-96 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 10 mph. Ridges/upr slopes....Southeast winds 6 to 13 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Showers and slight chance of thunderstorms. * Max Temperature....... Valleys/lwr slopes...55-63 Ridges/upr slopes....52-60 * Min Humidity....... Valleys/lwr slopes...78-93 percent Ridges/upr slopes....76-91 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 6 to 12 mph. Ridges/upr slopes....South winds 6 to 12 mph. * Mixing Height..........3200 ft AGL. * Chc of Wetting Rain....100 percent. .FRIDAY NIGHT... * Sky/Weather............Slight chance of thunderstorms early in the evening. Showers through the night. * Min Temperature....... Valleys/lwr slopes...45-49 Ridges/upr slopes....45-51 * Max Humidity....... Valleys/lwr slopes...86-100 percent Ridges/upr slopes....79-94 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 8 mph. Ridges/upr slopes....Southeast winds 5 to 9 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....50 percent. $$ CAZ202-100115- Coastal Mendocino- 1227 AM PDT Thu Oct 9 2025 .TODAY... * Sky/Weather............Mostly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...60-66 Ridges/upr slopes....59-64 * Min Humidity....... Valleys/lwr slopes...67-82 percent Ridges/upr slopes....62-75 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph. Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 6 mph in the afternoon. * Mixing Height..........2900 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly cloudy then becoming partly cloudy then becoming mostly cloudy. Slight chance of showers after midnight. Chance of showers early in the morning. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 50 Ridges/upr slopes....43-49 * Max Humidity....... Valleys/lwr slopes...86-97 percent Ridges/upr slopes....83-98 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 8 mph. Ridges/upr slopes....Southeast winds 5 to 8 mph. * Mixing Height..........100 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Showers. * Max Temperature....... Valleys/lwr slopes...59-66 Ridges/upr slopes....59-62 * Min Humidity....... Valleys/lwr slopes...78-93 percent Ridges/upr slopes....70-85 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 11 mph. Ridges/upr slopes....South winds 5 to 11 mph. * Mixing Height..........2500 ft AGL. * Chc of Wetting Rain....80 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly cloudy. Showers likely through the night. * Min Temperature....... Valleys/lwr slopes...around 50 Ridges/upr slopes....42-50 * Max Humidity....... Valleys/lwr slopes...86-100 percent Ridges/upr slopes....82-97 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 7 mph in the evening...becoming light winds 2 to 4 mph. Ridges/upr slopes....Southwest winds 5 to 8 mph...shifting to the southeast 5 to 6 mph after midnight. * Mixing Height..........100 ft AGL. * Chc of Wetting Rain....30 percent. $$ CAZ203-204-100115- Upper Smith-Lower Middle Klamath- 1227 AM PDT Thu Oct 9 2025 .TODAY... * Sky/Weather............Mostly cloudy. Chance of rain early in the morning. Slight chance of showers late in the morning. Chance of showers late in the afternoon. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...59-67 Ridges/upr slopes....46-54 * Min Humidity....... Valleys/lwr slopes...57-67 percent Ridges/upr slopes....57-69 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 8 mph. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........3700 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Rain likely early in the evening, then chance of rain late in the evening. Rain likely after midnight, then showers early in the morning. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...44-47 Ridges/upr slopes....40-45 * Max Humidity....... Valleys/lwr slopes...87-100 percent Ridges/upr slopes....80-91 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 11 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....10 percent. .FRIDAY... * Sky/Weather............Showers. * Max Temperature....... Valleys/lwr slopes...56-64 Ridges/upr slopes....43-51 * Min Humidity....... Valleys/lwr slopes...70-85 percent Ridges/upr slopes....66-77 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 12 mph. Ridges/upr slopes....South winds 5 to 12 mph. * Mixing Height..........3700 ft AGL. * Chc of Wetting Rain....100 percent. .FRIDAY NIGHT... * Sky/Weather............Showers. * Min Temperature....... Valleys/lwr slopes...43-46 Ridges/upr slopes....40-45 * Max Humidity....... Valleys/lwr slopes...85-100 percent Ridges/upr slopes....73-86 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 8 mph. Ridges/upr slopes....South winds 5 to 9 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....60 percent. $$ CAZ211-212-100115- Hoopa-Van Duzen/Mad River- 1227 AM PDT Thu Oct 9 2025 .TODAY... * Sky/Weather............Mostly cloudy. Slight chance of showers in the morning. Chance of showers late in the afternoon. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...60-68 Ridges/upr slopes....49-57 * Min Humidity....... Valleys/lwr slopes...59-69 percent Ridges/upr slopes....62-77 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 7 mph. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........3900 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly cloudy. Chance of showers until early morning, then showers likely early in the morning. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...44-48 Ridges/upr slopes....38-46 * Max Humidity....... Valleys/lwr slopes...89-100 percent Ridges/upr slopes....82-97 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 mph...shifting to the southeast 5 to 7 mph after midnight. Ridges/upr slopes....South winds 5 to 11 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Showers. * Max Temperature....... Valleys/lwr slopes...56-64 Ridges/upr slopes....45-53 * Min Humidity....... Valleys/lwr slopes...71-86 percent Ridges/upr slopes....72-87 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 12 mph. Ridges/upr slopes....South winds 5 to 12 mph. * Mixing Height..........3100 ft AGL. * Chc of Wetting Rain....90 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly cloudy. Showers likely. * Min Temperature....... Valleys/lwr slopes...43-46 Ridges/upr slopes....38-46 * Max Humidity....... Valleys/lwr slopes...87-100 percent Ridges/upr slopes....78-93 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 8 mph. Ridges/upr slopes....South winds 5 to 8 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....60 percent. $$ CAZ283-100115- Trinity- 1227 AM PDT Thu Oct 9 2025 .TODAY... * Sky/Weather............Cloudy. Slight chance of showers through the day. * Chance Lightning.......10%. * Max Temperature....... Valleys/lwr slopes...57-62 Ridges/upr slopes....46-54 * Min Humidity....... Valleys/lwr slopes...65-80 percent Ridges/upr slopes....76-91 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 7 mph. Ridges/upr slopes....Southeast winds 5 to 11 mph. * Mixing Height..........3100 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Showers likely early in the evening, then chance of showers late in the evening. Showers likely after midnight, then chance of showers early in the morning. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...44-47 Ridges/upr slopes....35-43 * Max Humidity....... Valleys/lwr slopes...91-100 percent Ridges/upr slopes....83-98 percent * 20-Foot Winds... Valleys/lwr slopes...Light winds 1 to 3 mph. Ridges/upr slopes....South winds 5 to 10 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....30 percent. .FRIDAY... * Sky/Weather............Showers. * Max Temperature....... Valleys/lwr slopes...54-60 Ridges/upr slopes....41-49 * Min Humidity....... Valleys/lwr slopes...66-78 percent Ridges/upr slopes....74-89 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 11 mph. * Mixing Height..........3100 ft AGL. * Chc of Wetting Rain....90 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly cloudy. Showers likely through the night. Chance of snow showers after midnight. * Min Temperature....... Valleys/lwr slopes...around 40 Ridges/upr slopes....32-40 * Max Humidity....... Valleys/lwr slopes...91-100 percent Ridges/upr slopes....78-93 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 8 mph. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....30 percent. $$ CAZ276-100115- Interior Mendocino- 1227 AM PDT Thu Oct 9 2025 .TODAY... * Sky/Weather............Mostly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...60-68 Ridges/upr slopes....55-63 * Min Humidity....... Valleys/lwr slopes...58-73 percent Ridges/upr slopes....61-73 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 8 mph. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........3800 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Slight chance of showers until early morning. Chance of showers early in the morning. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...41-49 Ridges/upr slopes....43-49 * Max Humidity....... Valleys/lwr slopes...85-100 percent Ridges/upr slopes....83-98 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 6 mph...shifting to the southeast after midnight. Ridges/upr slopes....West winds 5 to 7 mph...shifting to the southeast after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Mostly cloudy. Showers likely. * Max Temperature....... Valleys/lwr slopes...58-66 Ridges/upr slopes....53-61 * Min Humidity....... Valleys/lwr slopes...68-83 percent Ridges/upr slopes....70-85 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 11 mph. Ridges/upr slopes....South winds 5 to 11 mph. * Mixing Height..........2700 ft AGL. * Chc of Wetting Rain....70 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly cloudy. Chance of showers through the night. * Min Temperature....... Valleys/lwr slopes...42-50 Ridges/upr slopes....42-50 * Max Humidity....... Valleys/lwr slopes...84-99 percent Ridges/upr slopes....78-93 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 9 mph. Ridges/upr slopes....South winds 5 to 9 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....30 percent. $$ CAZ277-100115- W Mendocino NF/E Mendocino Unit- 1227 AM PDT Thu Oct 9 2025 .TODAY... * Sky/Weather............Mostly cloudy. Slight chance of showers late in the afternoon. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...60-68 Ridges/upr slopes....50-58 * Min Humidity....... Valleys/lwr slopes...56-69 percent Ridges/upr slopes....65-80 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 7 mph. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........4000 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Cloudy then becoming partly cloudy. Slight chance of showers in the evening. Chance of showers after midnight. * Chance Lightning.......10%. * Min Temperature....... Valleys/lwr slopes...40-46 Ridges/upr slopes....37-44 * Max Humidity....... Valleys/lwr slopes...83-98 percent Ridges/upr slopes....79-94 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....0 percent. .FRIDAY... * Sky/Weather............Mostly cloudy. Showers likely. * Max Temperature....... Valleys/lwr slopes...56-64 Ridges/upr slopes....45-53 * Min Humidity....... Valleys/lwr slopes...68-79 percent Ridges/upr slopes....67-82 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 11 mph. Ridges/upr slopes....South winds 5 to 12 mph. * Mixing Height..........3200 ft AGL. * Chc of Wetting Rain....60 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly cloudy. Showers likely. * Min Temperature....... Valleys/lwr slopes...39-45 Ridges/upr slopes....37-45 * Max Humidity....... Valleys/lwr slopes...84-99 percent Ridges/upr slopes....80-95 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 10 mph. Ridges/upr slopes....Southwest winds 5 to 10 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....30 percent. $$ CAZ264-100115- Lake County Portion of Lake/Napa/Sonoma RU- 1227 AM PDT Thu Oct 9 2025 .TODAY... * Sky/Weather............Mostly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...around 62 Ridges/upr slopes....54-59 * Min Humidity....... Valleys/lwr slopes...65 percent Ridges/upr slopes....67-77 percent * 20-Foot Winds... Valleys/lwr slopes...Light winds 2 to 4 mph...becoming southwest 5 to 6 mph in the afternoon. Ridges/upr slopes....South winds 5 to 8 mph. * Mixing Height..........3900 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...around 41 Ridges/upr slopes....44-48 * Max Humidity....... Valleys/lwr slopes...95 percent Ridges/upr slopes....74-89 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....0 percent. .FRIDAY... * Sky/Weather............Sunny then becoming mostly cloudy. Chance of showers through the day. * Max Temperature....... Valleys/lwr slopes...around 59 Ridges/upr slopes....53-57 * Min Humidity....... Valleys/lwr slopes...70 percent Ridges/upr slopes....66-77 percent * 20-Foot Winds... Valleys/lwr slopes...Light winds 2 to 5 mph...becoming south 5 to 8 mph in the afternoon. Ridges/upr slopes....Southwest winds 5 to 12 mph. * Mixing Height..........3900 ft AGL. * Chc of Wetting Rain....10 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Chance of showers through the night. * Min Temperature....... Valleys/lwr slopes...around 42 Ridges/upr slopes....44-51 * Max Humidity....... Valleys/lwr slopes...95 percent Ridges/upr slopes....70-81 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 11 mph. Ridges/upr slopes....West winds 5 to 11 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....10 percent. $$ .EXTENDED FORECAST FOR DAYS 3 THROUGH 5... ...Northwest California Coast... .SATURDAY...Partly cloudy with chance of showers. Lows 44 to 49. Highs 57 to 63. North winds 5 mph. .SUNDAY...Mostly cloudy. Chance of showers. Lows in the mid 40s to lower 50s. Highs 56 to 62. North winds 5 mph. .COLUMBUS DAY...Showers. Lows 44 to 49. Highs 52 to 60. South winds 5 mph. ...Northwest California Interior... .SATURDAY...Mostly clear with slight chance of showers. Lows 37 to 45. Highs 58 to 67. Northwest winds 5 mph. .SUNDAY...Partly cloudy. Chance of showers. Lows 39 to 47. Highs 60 to 70. Northwest winds 5 mph. .COLUMBUS DAY...Showers likely. Lows 38 to 46. Highs 51 to 60. Southwest 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