


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
588 FNUS56 KEKA 062103 FWFEKA FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA NATIONAL WEATHER SERVICE Eureka CA 203 PM PDT Mon Oct 6 2025 .DISCUSSION...Warmer and drier conditions will continue to build into the first half of the week with interior valleys warming back into the mid 80s with RH around 20 percent. Strengthening thermal belts will promote poor overnight RH recovery at high elevations. Winds will generally be gentle and from the east through Tuesday. Conditions will begin to ease around midweek. A wetting rainfall is forecast Friday, with a chance for some thunderstorms. CAZ201-071315- North Coast- 203 PM PDT Mon Oct 6 2025 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-57 Ridges/upr slopes....53-61 * Max Humidity....... Valleys/lwr slopes...50-60 percent Ridges/upr slopes....41-51 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 7 mph. Ridges/upr slopes....East winds 5 to 8 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...74-82 Ridges/upr slopes....71-79 * Min Humidity....... Valleys/lwr slopes...39-49 percent Ridges/upr slopes....34-44 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 6 mph...shifting to the west in the afternoon. Ridges/upr slopes....Southeast winds 5 to 8 mph...shifting to the west 5 mph in the afternoon. * Mixing Height..........3800 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature....... Valleys/lwr slopes...48-54 Ridges/upr slopes....49-56 * Max Humidity....... Valleys/lwr slopes...68-83 percent Ridges/upr slopes....57-72 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 mph...shifting to the east 5 to 6 mph after midnight. Ridges/upr slopes....North winds 5 mph...shifting to the east 5 to 6 mph after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...65-73 Ridges/upr slopes....61-69 * Min Humidity....... Valleys/lwr slopes...73-83 percent Ridges/upr slopes....63-73 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the northwest 5 to 9 mph in the afternoon. Ridges/upr slopes....East winds 5 to 6 mph...shifting to the west 5 to 9 mph in the afternoon. * Mixing Height..........2700 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ202-071315- Coastal Mendocino- 203 PM PDT Mon Oct 6 2025 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-59 Ridges/upr slopes....51-59 * Max Humidity....... Valleys/lwr slopes...53-68 percent Ridges/upr slopes....48-58 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph. Ridges/upr slopes....Northeast winds 5 to 7 mph. * Mixing Height..........100 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...73-81 Ridges/upr slopes....75-82 * Min Humidity....... Valleys/lwr slopes...43-53 percent Ridges/upr slopes....33-41 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 6 mph in the afternoon. Ridges/upr slopes....East winds 5 to 6 mph...shifting to the west in the afternoon. * Mixing Height..........2000 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature....... Valleys/lwr slopes...49-56 Ridges/upr slopes....48-56 * Max Humidity....... Valleys/lwr slopes...65-80 percent Ridges/upr slopes....55-70 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the northeast 5 mph after midnight. Ridges/upr slopes....North winds 5 to 7 mph. * Mixing Height..........100 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...65-73 Ridges/upr slopes....67-75 * Min Humidity....... Valleys/lwr slopes...64-79 percent Ridges/upr slopes....54-64 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 7 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 mph...shifting to the west 5 to 7 mph in the afternoon. * Mixing Height..........1600 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ203-204-071315- Upper Smith-Lower Middle Klamath- 203 PM PDT Mon Oct 6 2025 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-53 Ridges/upr slopes....51-57 * Max Humidity....... Valleys/lwr slopes...46-56 percent Ridges/upr slopes....32-40 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 8 mph. Ridges/upr slopes....East winds 5 to 10 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...79-87 Ridges/upr slopes....67-75 * Min Humidity....... Valleys/lwr slopes...24-32 percent Ridges/upr slopes....26-31 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to the west in the afternoon. Ridges/upr slopes....East winds 5 to 10 mph...shifting to the west 5 to 6 mph in the afternoon. * Mixing Height..........5400 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature....... Valleys/lwr slopes...around 50 Ridges/upr slopes....49-54 * Max Humidity....... Valleys/lwr slopes...57-72 percent Ridges/upr slopes....41-51 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 mph...shifting to the east 5 to 7 mph after midnight. Ridges/upr slopes....West winds 5 to 6 mph...shifting to the southeast 5 to 8 mph after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...70-78 Ridges/upr slopes....58-66 * Min Humidity....... Valleys/lwr slopes...43-53 percent Ridges/upr slopes....37-45 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 mph...shifting to the southwest 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..........5300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ211-212-071315- Hoopa-Van Duzen/Mad River- 203 PM PDT Mon Oct 6 2025 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-55 Ridges/upr slopes....48-56 * Max Humidity....... Valleys/lwr slopes...49-59 percent Ridges/upr slopes....42-52 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 7 mph...shifting to the southeast after midnight. Ridges/upr slopes....East winds 5 to 10 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...80-88 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...22-29 percent Ridges/upr slopes....23-31 percent * 20-Foot Winds... Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to the west in the afternoon. Ridges/upr slopes....Southeast winds 5 to 9 mph...shifting to the west 5 to 6 mph in the afternoon. * Mixing Height..........6300 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature....... Valleys/lwr slopes...48-54 Ridges/upr slopes....46-54 * Max Humidity....... Valleys/lwr slopes...56-71 percent Ridges/upr slopes....48-58 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to the east 5 to 8 mph after midnight. Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to the east 5 to 7 mph after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...74-82 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...34-44 percent Ridges/upr slopes....36-44 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 mph...shifting to the west 5 to 7 mph in the afternoon. Ridges/upr slopes....Southeast winds 5 to 6 mph...shifting to the southwest 5 to 9 mph in the afternoon. * Mixing Height..........6300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ283-071315- Trinity- 203 PM PDT Mon Oct 6 2025 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...47-51 Ridges/upr slopes....44-52 * Max Humidity....... Valleys/lwr slopes...48-58 percent Ridges/upr slopes....34-44 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 7 mph. Ridges/upr slopes....East winds 5 to 9 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-84 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...19-24 percent Ridges/upr slopes....22-30 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming west 5 to 6 mph in the afternoon. Ridges/upr slopes....East winds 5 to 6 mph...shifting to the southwest in the afternoon. * Mixing Height..........7000 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature....... Valleys/lwr slopes...44-50 Ridges/upr slopes....43-51 * Max Humidity....... Valleys/lwr slopes...55-70 percent Ridges/upr slopes....42-52 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...75-80 Ridges/upr slopes....60-68 * Min Humidity....... Valleys/lwr slopes...24-29 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....Southwest winds 5 to 12 mph. * Mixing Height..........9400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ276-071315- Interior Mendocino- 203 PM PDT Mon Oct 6 2025 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-59 Ridges/upr slopes....52-60 * Max Humidity....... Valleys/lwr slopes...47-57 percent Ridges/upr slopes....43-53 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the northeast after midnight. Ridges/upr slopes....North winds 5 to 6 mph...shifting to the east after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...81-89 Ridges/upr slopes....76-84 * Min Humidity....... Valleys/lwr slopes...20-28 percent Ridges/upr slopes....22-30 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to the west 5 to 8 mph in the afternoon. Ridges/upr slopes....East winds 5 to 6 mph...shifting to the west 5 to 7 mph in the afternoon. * Mixing Height..........6600 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature....... Valleys/lwr slopes...48-56 Ridges/upr slopes....50-58 * Max Humidity....... Valleys/lwr slopes...52-62 percent Ridges/upr slopes....48-58 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph...shifting to the northeast 5 to 6 mph after midnight. Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to the northeast after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...74-82 Ridges/upr slopes....70-76 * Min Humidity....... Valleys/lwr slopes...36-46 percent Ridges/upr slopes....38-48 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the west 5 to 8 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 7 mph...shifting to the west in the afternoon. * Mixing Height..........5300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ277-071315- W Mendocino NF/E Mendocino Unit- 203 PM PDT Mon Oct 6 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...49-59 percent Ridges/upr slopes....34-44 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 7 mph. Ridges/upr slopes....Northeast winds 5 to 8 mph...shifting to the east after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...80-87 Ridges/upr slopes....68-76 * Min Humidity....... Valleys/lwr slopes...20-25 percent Ridges/upr slopes....21-29 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the west 5 to 6 mph in the afternoon. Ridges/upr slopes....East winds 5 to 6 mph...shifting to the west in the afternoon. * Mixing Height..........7500 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature....... Valleys/lwr slopes...45-53 Ridges/upr slopes....50-58 * Max Humidity....... Valleys/lwr slopes...54-64 percent Ridges/upr slopes....36-46 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to the northeast after midnight. Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to the north 5 to 7 mph after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...75-83 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...27-32 percent Ridges/upr slopes....27-34 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the southwest 5 to 9 mph in the afternoon. Ridges/upr slopes....North winds 5 to 6 mph...shifting to the southwest 5 to 11 mph in the afternoon. * Mixing Height..........8800 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ264-071315- Lake County Portion of Lake/Napa/Sonoma RU- 203 PM PDT Mon Oct 6 2025 .TONIGHT... * Sky/Weather............Clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 52 Ridges/upr slopes....60-63 * Max Humidity....... Valleys/lwr slopes...46 percent Ridges/upr slopes....31-40 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to the northeast 5 to 7 mph after midnight. Ridges/upr slopes....North winds 5 to 9 mph...shifting to the northeast 5 to 10 mph after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...around 82 Ridges/upr slopes....75-79 * Min Humidity....... Valleys/lwr slopes...17 percent Ridges/upr slopes....22-27 percent * 20-Foot Winds... Valleys/lwr slopes...East winds 5 to 6 mph...shifting to the west 5 to 7 mph in the afternoon. Ridges/upr slopes....East winds 5 to 8 mph...shifting to the west in the afternoon. * Mixing Height..........7600 ft AGL. * Chc of Wetting Rain....0 percent. .TUESDAY NIGHT... * Sky/Weather............Clear. * Min Temperature....... Valleys/lwr slopes...around 54 Ridges/upr slopes....60-64 * Max Humidity....... Valleys/lwr slopes...47 percent Ridges/upr slopes....31-41 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph...shifting to the north 6 mph after midnight. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...around 77 Ridges/upr slopes....70-75 * Min Humidity....... Valleys/lwr slopes...27 percent Ridges/upr slopes....30-38 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to the west 6 to 9 mph in the afternoon. Ridges/upr slopes....North winds 5 to 6 mph...shifting to the southwest 6 to 11 mph in the afternoon. * Mixing Height..........7800 ft AGL. * Chc of Wetting Rain....0 percent. $$ .EXTENDED FORECAST FOR DAYS 3 THROUGH 5... ...Northwest California Coast... .THURSDAY...Partly cloudy with slight chance of rain. Lows 46 to 51. Highs 57 to 63. Northwest winds 5 mph. .FRIDAY...Mostly cloudy with showers and isolated thunderstorms. Lows near 50. Highs 57 to 64. Southeast winds 5 mph. .SATURDAY...Mostly cloudy with rain likely. Lows near 50. Highs 56 to 63. Southeast winds 5 mph. ...Northwest California Interior... .THURSDAY...Partly cloudy with slight chance of rain. Lows 43 to 51. Highs 62 to 70. Southwest winds 5 mph. .FRIDAY...Mostly cloudy with chance of rain. Lows 41 to 49. Highs 57 to 67. South winds 5 mph. .SATURDAY...Mostly cloudy. Chance of rain. Patchy fog in the morning. Lows 41 to 49. Highs 58 to 68. West winds 5 mph. .6 to 10 DAY OUTLOOK...Sunday October 12 THROUGH Thursday October 16, 2025... FOR NW CALIF...BELOW NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION. $$ visit us at www.weather.gov/eureka