Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
952
FNUS56 KEKA 141929
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE Eureka CA
1229 PM PDT Sun Sep 14 2025
.DISCUSSION...Cooler temperatures and high humidities are
expected in much of the interior today. Breezy northwest winds
possible in the interior this afternoon and evening, especially in
channeled terrain and exposed ridges. Warmer and drier conditions
expected early to mid next week. Min RHs drop into the teens to
mid 20`s by Monday, with moderate to poor overnight recoveries.
Temperatures rise into the 90`s for most of the interior valleys.
Breezy offshore winds are possible each night in the higher
elevations, especially in Del Norte and Siskiyou Counties.
CAZ201-151315-
North Coast-
1229 PM PDT Sun Sep 14 2025
.TONIGHT...
* Sky/Weather............Mostly clear. Patchy dense fog after
midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-55
Ridges/upr slopes....51-56
* Max Humidity.......
Valleys/lwr slopes...79-94 percent
Ridges/upr slopes....69-84 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 12 mph.
Ridges/upr slopes....North winds 7 to 14 mph...shifting to the
northeast 5 to 12 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Sunny. Patchy dense fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...75-83
Ridges/upr slopes....72-80
* Min Humidity.......
Valleys/lwr slopes...65-75 percent
Ridges/upr slopes....48-58 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........2900 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...55-61
Ridges/upr slopes....56-64
* Max Humidity.......
Valleys/lwr slopes...64-79 percent
Ridges/upr slopes....53-63 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to
the southeast 5 mph after midnight.
Ridges/upr slopes....Northeast winds 5 mph...shifting to the
southeast 5 to 6 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...77-85
Ridges/upr slopes....74-82
* Min Humidity.......
Valleys/lwr slopes...59-69 percent
Ridges/upr slopes....48-58 percent
* 20-Foot Winds...
Valleys/lwr slopes...South 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 in the afternoon.
* Mixing Height..........3300 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ202-151315-
Coastal Mendocino-
1229 PM PDT Sun Sep 14 2025
.TONIGHT...
* Sky/Weather............Mostly clear. Patchy fog in the late
evening and early morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...53-57
Ridges/upr slopes....50-58
* Max Humidity.......
Valleys/lwr slopes...81-96 percent
Ridges/upr slopes....72-87 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 10 mph...shifting to the
northeast 5 to 7 mph after midnight.
Ridges/upr slopes....North winds 5 to 11 mph.
* Mixing Height..........100 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...73-81
Ridges/upr slopes....76-84
* Min Humidity.......
Valleys/lwr slopes...63-73 percent
Ridges/upr slopes....45-55 percent
* 20-Foot Winds...
Valleys/lwr slopes...East 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..........1900 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...56-59
Ridges/upr slopes....53-61
* Max Humidity.......
Valleys/lwr slopes...70-85 percent
Ridges/upr slopes....59-74 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 mph...shifting to the east
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.
.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...73-81
Ridges/upr slopes....77-85
* Min Humidity.......
Valleys/lwr slopes...57-67 percent
Ridges/upr slopes....41-51 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....Southeast winds 5 mph...shifting to the
southwest 5 to 7 mph in the afternoon.
* Mixing Height..........2000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ203-204-151315-
Upper Smith-Lower Middle Klamath-
1229 PM PDT Sun Sep 14 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-53
Ridges/upr slopes....50-55
* Max Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....55-66 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 11 mph.
Ridges/upr slopes....Northeast winds 5 to 11 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...84-92
Ridges/upr slopes....72-80
* Min Humidity.......
Valleys/lwr slopes...21-29 percent
Ridges/upr slopes....21-29 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 11 mph.
Ridges/upr slopes....Northeast winds 5 to 11 mph.
* Mixing Height..........4400 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...55-59
Ridges/upr slopes....59-64
* Max Humidity.......
Valleys/lwr slopes...47-57 percent
Ridges/upr slopes....29-37 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 8 mph.
Ridges/upr slopes....Northeast winds 5 to 7 mph...shifting to
the east after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...88-96
Ridges/upr slopes....75-83
* Min Humidity.......
Valleys/lwr slopes...27-35 percent
Ridges/upr slopes....23-30 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 mph...shifting to the
southwest 5 to 7 mph in the afternoon.
Ridges/upr slopes....Southeast winds 5 to 8 mph...shifting to
the southwest 5 to 7 mph in the afternoon.
* Mixing Height..........6300 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ211-212-151315-
Hoopa-Van Duzen/Mad River-
1229 PM PDT Sun Sep 14 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-55
Ridges/upr slopes....48-56
* Max Humidity.......
Valleys/lwr slopes...74-89 percent
Ridges/upr slopes....66-81 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 6 to 13 mph.
Ridges/upr slopes....North winds 5 to 8 mph...shifting to the
northeast 5 to 10 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...85-93
Ridges/upr slopes....75-83
* Min Humidity.......
Valleys/lwr slopes...22-30 percent
Ridges/upr slopes....21-29 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........5200 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...56-61
Ridges/upr slopes....54-62
* Max Humidity.......
Valleys/lwr slopes...53-68 percent
Ridges/upr slopes....43-53 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph...shifting to
the southeast 5 mph after midnight.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the southeast 5 to 7 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...89-97
Ridges/upr slopes....78-86
* Min Humidity.......
Valleys/lwr slopes...22-30 percent
Ridges/upr slopes....23-31 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to
the southwest 5 to 9 mph in the afternoon.
Ridges/upr slopes....Southeast winds 5 to 7 mph...shifting to
the southwest in the afternoon.
* Mixing Height..........6700 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ283-151315-
Trinity-
1229 PM PDT Sun Sep 14 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-55
Ridges/upr slopes....46-54
* Max Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....53-68 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 9 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...86-91
Ridges/upr slopes....72-80
* Min Humidity.......
Valleys/lwr slopes...15-20 percent
Ridges/upr slopes....17-25 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 mph.
Ridges/upr slopes....East winds 5 to 7 mph.
* Mixing Height..........6200 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...54-59
Ridges/upr slopes....52-60
* Max Humidity.......
Valleys/lwr slopes...45-55 percent
Ridges/upr slopes....33-43 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 mph in the evening...becoming
downslope/downvalley 2 to 4 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.
* Max Temperature.......
Valleys/lwr slopes...88-93
Ridges/upr slopes....75-83
* Min Humidity.......
Valleys/lwr slopes...15-20 percent
Ridges/upr slopes....17-24 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
southeast 5 mph in the afternoon.
Ridges/upr slopes....Southeast winds 5 to 8 mph.
* Mixing Height..........7100 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ276-151315-
Interior Mendocino-
1229 PM PDT Sun Sep 14 2025
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-60
Ridges/upr slopes....53-61
* Max Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....63-78 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 6 to 13 mph.
Ridges/upr slopes....North winds 5 to 12 mph...shifting to the
northeast 5 to 8 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...85-93
Ridges/upr slopes....80-88
* Min Humidity.......
Valleys/lwr slopes...27-35 percent
Ridges/upr slopes....30-38 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the
west 5 to 10 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..........5400 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...56-64
Ridges/upr slopes....57-65
* Max Humidity.......
Valleys/lwr slopes...53-68 percent
Ridges/upr slopes....51-61 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph...shifting to
the northeast 5 to 6 mph after midnight.
Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to
the east 5 to 6 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...87-95
Ridges/upr slopes....82-89
* Min Humidity.......
Valleys/lwr slopes...24-32 percent
Ridges/upr slopes....28-36 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to
the southwest 5 to 9 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..........6200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ277-151315-
W Mendocino NF/E Mendocino Unit-
1229 PM PDT Sun Sep 14 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-57
Ridges/upr slopes....53-61
* Max Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....53-63 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 12 mph.
Ridges/upr slopes....North winds 5 to 8 mph...shifting to the
northeast 5 to 6 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...86-94
Ridges/upr slopes....75-83
* Min Humidity.......
Valleys/lwr slopes...18-24 percent
Ridges/upr slopes....19-27 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph.
Ridges/upr slopes....West winds 5 to 7 mph.
* Mixing Height..........6100 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...53-61
Ridges/upr slopes....58-66
* Max Humidity.......
Valleys/lwr slopes...53-63 percent
Ridges/upr slopes....39-49 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to
the northeast after midnight.
Ridges/upr slopes....East winds 5 to 8 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...89-97
Ridges/upr slopes....77-85
* Min Humidity.......
Valleys/lwr slopes...18-23 percent
Ridges/upr slopes....19-25 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to
the southwest 5 to 7 mph in the afternoon.
Ridges/upr slopes....Southeast winds 5 to 6 mph...shifting to
the south 5 to 7 mph in the afternoon.
* Mixing Height..........7000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ264-151315-
Lake County Portion of Lake/Napa/Sonoma RU-
1229 PM PDT Sun Sep 14 2025
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 55
Ridges/upr slopes....61-65
* Max Humidity.......
Valleys/lwr slopes...64 percent
Ridges/upr slopes....47-57 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph...shifting to
the north after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...around 87
Ridges/upr slopes....80-85
* Min Humidity.......
Valleys/lwr slopes...21 percent
Ridges/upr slopes....22-27 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....North winds 5 to 9 mph.
* Mixing Height..........6000 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...around 59
Ridges/upr slopes....66-70
* Max Humidity.......
Valleys/lwr slopes...46 percent
Ridges/upr slopes....35-43 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to
the east 5 to 6 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...around 90
Ridges/upr slopes....81-86
* Min Humidity.......
Valleys/lwr slopes...17 percent
Ridges/upr slopes....21-26 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph.
Ridges/upr slopes....Southeast winds 5 to 6 mph...shifting to
the south 5 to 7 mph in the afternoon.
* Mixing Height..........6900 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...
...Northwest California Coast...
.WEDNESDAY...Partly cloudy. Lows in the 50s. Highs 66 to 75.
North winds 5 mph.
.THURSDAY...Partly cloudy. Lows in the lower to mid 50s. Highs
65 to 72. North winds 5 mph.
.FRIDAY...Partly cloudy. Slight chance of showers. Lows in the
mid to upper 50s. Highs 66 to 72. North winds 5 mph.
...Northwest California Interior...
.WEDNESDAY...Clear. Lows 57 to 65. Highs 86 to 96. Northwest
winds 5 mph.
.THURSDAY...Mostly clear. Lows 57 to 65. Highs 83 to 93.
Northwest winds 5 mph.
.FRIDAY...Partly cloudy with slight chance of showers. Lows 57 to
65. Highs 79 to 89. South winds 5 mph.
.6 to 10 DAY OUTLOOK...Saturday September 20 THROUGH Wednesday September 24, 2025...
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
$$
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