


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
506 FNUS56 KEKA 072034 FWFEKA FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA NATIONAL WEATHER SERVICE Eureka CA 134 PM PDT Tue Oct 7 2025 .DISCUSSION...Onshore flow will begin to return Wednesday, generally cooling conditions back into the upper 70s 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. Scattered rain showers will persist into the weekend. CAZ201-081330- North Coast- 134 PM PDT Tue Oct 7 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-54 Ridges/upr slopes....49-57 * Max Humidity....... Valleys/lwr slopes...70-85 percent Ridges/upr slopes....61-76 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northeast winds 5 to 7 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny then becoming partly cloudy. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...65-73 Ridges/upr slopes....60-68 * Min Humidity....... Valleys/lwr slopes...73-83 percent Ridges/upr slopes....65-75 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to the northwest 5 to 10 mph in the afternoon. Ridges/upr slopes....East winds 5 to 6 mph...shifting to the northwest 5 to 12 mph in the afternoon. * Mixing Height..........2600 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Partly cloudy. * Min Temperature....... Valleys/lwr slopes...42-47 Ridges/upr slopes....42-49 * Max Humidity....... Valleys/lwr slopes...84-99 percent Ridges/upr slopes....73-88 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. .THURSDAY... * Sky/Weather............Partly cloudy then becoming mostly cloudy. * Max Temperature....... Valleys/lwr slopes...58-66 Ridges/upr slopes....55-62 * Min Humidity....... Valleys/lwr slopes...64-74 percent Ridges/upr slopes....56-71 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 mph...shifting to the southwest 5 to 7 mph in the afternoon. Ridges/upr slopes....East winds 5 to 7 mph...shifting to the southwest in the afternoon. * Mixing Height..........4500 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ202-081330- Coastal Mendocino- 134 PM PDT Tue Oct 7 2025 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-55 Ridges/upr slopes....49-57 * Max Humidity....... Valleys/lwr slopes...69-84 percent Ridges/upr slopes....59-74 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Northeast winds 5 to 7 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...65-73 Ridges/upr slopes....67-75 * Min Humidity....... Valleys/lwr slopes...67-82 percent Ridges/upr slopes....57-67 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to the west 5 to 7 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 mph...shifting to the west 5 to 7 mph in the afternoon. * Mixing Height..........1400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Partly cloudy. Patchy fog early in the morning. * Min Temperature....... Valleys/lwr slopes...47-51 Ridges/upr slopes....42-50 * Max Humidity....... Valleys/lwr slopes...82-97 percent Ridges/upr slopes....79-94 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph. Ridges/upr slopes....Northwest winds 5 to 7 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Patchy fog in the morning. * Max Temperature....... Valleys/lwr slopes...59-65 Ridges/upr slopes....59-65 * Min Humidity....... Valleys/lwr slopes...61-76 percent Ridges/upr slopes....55-65 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....North winds 5 to 6 mph...shifting to the west 5 to 7 mph in the afternoon. * Mixing Height..........2800 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ203-204-081330- Upper Smith-Lower Middle Klamath- 134 PM PDT Tue Oct 7 2025 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-53 Ridges/upr slopes....49-53 * Max Humidity....... Valleys/lwr slopes...58-73 percent Ridges/upr slopes....46-56 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 mph in the evening...becoming downslope/downvalley 2 to 4 mph. Ridges/upr slopes....Southwest winds 5 to 6 mph...shifting to the southeast after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...69-77 Ridges/upr slopes....56-64 * Min Humidity....... Valleys/lwr slopes...46-56 percent Ridges/upr slopes....40-49 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to the southwest 5 to 10 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 7 mph...shifting to the southwest 6 to 9 mph in the afternoon. * Mixing Height..........4300 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Partly cloudy. * Min Temperature....... Valleys/lwr slopes...41-45 Ridges/upr slopes....39-43 * Max Humidity....... Valleys/lwr slopes...81-96 percent Ridges/upr slopes....66-81 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 9 mph...shifting to the south 5 to 6 mph after midnight. Ridges/upr slopes....West winds 5 to 8 mph...shifting to the south 5 to 7 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Partly cloudy. Slight chance of showers through the day. * Max Temperature....... Valleys/lwr slopes...61-69 Ridges/upr slopes....48-56 * Min Humidity....... Valleys/lwr slopes...51-61 percent Ridges/upr slopes....50-60 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 mph...shifting to the southwest 5 to 7 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 7 mph...shifting to the southwest 5 to 8 mph in the afternoon. * Mixing Height..........4800 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ211-212-081330- Hoopa-Van Duzen/Mad River- 134 PM PDT Tue Oct 7 2025 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-55 Ridges/upr slopes....47-55 * Max Humidity....... Valleys/lwr slopes...57-72 percent Ridges/upr slopes....49-59 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to the east 5 mph after midnight. Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to the east 5 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...73-81 Ridges/upr slopes....62-70 * Min Humidity....... Valleys/lwr slopes...36-46 percent Ridges/upr slopes....38-48 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 mph...shifting to the west 5 to 7 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..........4900 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Partly cloudy. * Min Temperature....... Valleys/lwr slopes...42-47 Ridges/upr slopes....37-45 * Max Humidity....... Valleys/lwr slopes...84-99 percent Ridges/upr slopes....75-90 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. .THURSDAY... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Patchy fog early in the morning. * Max Temperature....... Valleys/lwr slopes...62-70 Ridges/upr slopes....51-59 * Min Humidity....... Valleys/lwr slopes...47-57 percent Ridges/upr slopes....53-63 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 mph...shifting to the southwest 5 to 7 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..........5000 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ283-081330- Trinity- 134 PM PDT Tue Oct 7 2025 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 50 Ridges/upr slopes....44-52 * Max Humidity....... Valleys/lwr slopes...56-71 percent Ridges/upr slopes....43-53 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. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...74-80 Ridges/upr slopes....60-68 * Min Humidity....... Valleys/lwr slopes...25-30 percent Ridges/upr slopes....31-39 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 10 mph. Ridges/upr slopes....Southwest winds 5 to 12 mph. * Mixing Height..........7900 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Partly cloudy. * Min Temperature....... Valleys/lwr slopes...43-46 Ridges/upr slopes....37-44 * Max Humidity....... Valleys/lwr slopes...86-97 percent Ridges/upr slopes....73-88 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 10 mph. Ridges/upr slopes....Southwest winds 5 to 10 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Partly cloudy then becoming mostly cloudy. * Max Temperature....... Valleys/lwr slopes...59-65 Ridges/upr slopes....46-54 * Min Humidity....... Valleys/lwr slopes...55-65 percent Ridges/upr slopes....66-81 percent * 20-Foot Winds... Valleys/lwr slopes...South winds 5 to 9 mph. Ridges/upr slopes....South winds 5 to 9 mph. * Mixing Height..........5000 ft AGL. * Chc of Wetting Rain....10 percent. $$ CAZ276-081330- Interior Mendocino- 134 PM PDT Tue Oct 7 2025 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-57 Ridges/upr slopes....51-59 * Max Humidity....... Valleys/lwr slopes...55-65 percent Ridges/upr slopes....50-60 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 7 mph. Ridges/upr slopes....North winds 5 to 7 mph...shifting to the northeast 5 to 6 mph after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...74-82 Ridges/upr slopes....69-76 * Min Humidity....... Valleys/lwr slopes...38-48 percent Ridges/upr slopes....41-51 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the west 5 to 9 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the west 5 to 7 mph in the afternoon. * Mixing Height..........4000 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Partly cloudy. Patchy fog early in the morning. * Min Temperature....... Valleys/lwr slopes...43-51 Ridges/upr slopes....43-51 * Max Humidity....... Valleys/lwr slopes...81-96 percent Ridges/upr slopes....75-90 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Patchy fog early in the morning. * Max Temperature....... Valleys/lwr slopes...62-70 Ridges/upr slopes....57-65 * Min Humidity....... Valleys/lwr slopes...48-58 percent Ridges/upr slopes....50-60 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........4100 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ277-081330- W Mendocino NF/E Mendocino Unit- 134 PM PDT Tue Oct 7 2025 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-55 Ridges/upr slopes....50-58 * Max Humidity....... Valleys/lwr slopes...53-68 percent Ridges/upr slopes....37-47 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the northeast 5 mph after midnight. Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to the northeast after midnight. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...75-82 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...27-33 percent Ridges/upr slopes....27-35 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the west 5 to 9 mph in the afternoon. Ridges/upr slopes....North winds 5 to 9 mph...shifting to the southwest 5 to 11 mph in the afternoon. * Mixing Height..........7400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature....... Valleys/lwr slopes...41-47 Ridges/upr slopes....41-47 * Max Humidity....... Valleys/lwr slopes...77-92 percent Ridges/upr slopes....67-82 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 9 mph. Ridges/upr slopes....Southwest winds 5 to 9 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Partly cloudy then becoming mostly cloudy. * Max Temperature....... Valleys/lwr slopes...62-69 Ridges/upr slopes....51-59 * Min Humidity....... Valleys/lwr slopes...43-51 percent Ridges/upr slopes....51-61 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 9 mph. Ridges/upr slopes....Southwest winds 5 to 9 mph. * Mixing Height..........4500 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ264-081330- Lake County Portion of Lake/Napa/Sonoma RU- 134 PM PDT Tue Oct 7 2025 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 53 Ridges/upr slopes....59-63 * Max Humidity....... Valleys/lwr slopes...48 percent Ridges/upr slopes....34-44 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...around 77 Ridges/upr slopes....70-75 * Min Humidity....... Valleys/lwr slopes...27 percent Ridges/upr slopes....32-40 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 mph...shifting to the west 5 to 9 mph in the afternoon. Ridges/upr slopes....North winds 5 to 6 mph...shifting to the southwest 5 to 12 mph in the afternoon. * Mixing Height..........6400 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature....... Valleys/lwr slopes...around 46 Ridges/upr slopes....48-52 * Max Humidity....... Valleys/lwr slopes...88 percent Ridges/upr slopes....62-77 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 12 mph. Ridges/upr slopes....West winds 5 to 12 mph. * Mixing Height..........200 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Partly cloudy. * Max Temperature....... Valleys/lwr slopes...around 65 Ridges/upr slopes....57-62 * Min Humidity....... Valleys/lwr slopes...45 percent Ridges/upr slopes....48-56 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 10 mph. Ridges/upr slopes....Southwest winds 5 to 11 mph. * Mixing Height..........4200 ft AGL. * Chc of Wetting Rain....0 percent. $$ .EXTENDED FORECAST FOR DAYS 3 THROUGH 5... ...Northwest California Coast... .FRIDAY...Showers and slight chance of thunderstorms. Lows near 50. Highs 55 to 61. Southeast winds 5 mph. .SATURDAY...Mostly cloudy. Showers likely and slight chance of thunderstorms. Lows in the mid to upper 40s. Highs 57 to 63. Southeast winds 5 mph. .SUNDAY...Partly cloudy with slight chance of rain. Lows 43 to 49. Highs 57 to 63. North winds 5 mph. ...Northwest California Interior... .FRIDAY...Mostly cloudy with rain likely. Lows 41 to 48. Highs 54 to 64. South winds 5 mph. .SATURDAY...Partly cloudy. Chance of rain. Lows 39 to 47. Highs 60 to 69. West winds 5 mph. .SUNDAY...Mostly clear. Lows 38 to 46. Highs 62 to 72. Northwest winds 5 mph. .6 to 10 DAY OUTLOOK...Monday October 13 THROUGH Friday October 17, 2025... FOR NW CALIF...BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION. $$ visit us at www.weather.gov/eureka