Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
371
FNUS56 KEKA 151805
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE Eureka CA
1105 AM PDT Wed Oct 15 2025
.DISCUSSION...Conditions will only very slowly warm and dry through
the end of the week with daytime RH near 30 percent and highs near
80 degrees for interior valleys by Friday. Breezy offshore winds are
possible in the higher terrain Thursday and Friday nights. A fast moving
system is likely late in the weekend. Wetting rain is possible
north of Cape Mendocino.
CAZ201-161315-
North Coast-
1105 AM PDT Wed Oct 15 2025
.TONIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Patchy fog in the late evening and
overnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...43-47
Ridges/upr slopes....43-47
* Max Humidity.......
Valleys/lwr slopes...89-100 percent
Ridges/upr slopes....81-96 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 mph in the evening...becoming
light winds 2 to 4 mph.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
northeast after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming sunny. Patchy fog in the
morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...61-69
Ridges/upr slopes....57-65
* Min Humidity.......
Valleys/lwr slopes...63-78 percent
Ridges/upr slopes....62-72 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........2000 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Partly cloudy. Patchy dense fog after
midnight.
* Min Temperature.......
Valleys/lwr slopes...43-49
Ridges/upr slopes....45-51
* Max Humidity.......
Valleys/lwr slopes...76-91 percent
Ridges/upr slopes....63-78 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 10 mph.
Ridges/upr slopes....North winds 5 to 12 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Max Temperature.......
Valleys/lwr slopes...66-74
Ridges/upr slopes....62-70
* Min Humidity.......
Valleys/lwr slopes...63-73 percent
Ridges/upr slopes....55-65 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 9 mph.
Ridges/upr slopes....Northeast winds 5 to 11 mph...shifting to
the north 5 to 9 mph in the afternoon.
* Mixing Height..........1600 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ202-161315-
Coastal Mendocino-
1105 AM PDT Wed Oct 15 2025
.TONIGHT...
* Sky/Weather............Partly cloudy. Patchy fog.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...45-48
Ridges/upr slopes....40-48
* Max Humidity.......
Valleys/lwr slopes...90-100 percent
Ridges/upr slopes....85-100 percent
* 20-Foot Winds...
Valleys/lwr slopes...Downslope/downvalley 2 to 4 mph...becoming
north 5 mph after midnight.
Ridges/upr slopes....North winds 5 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...59-67
Ridges/upr slopes....60-67
* Min Humidity.......
Valleys/lwr slopes...64-79 percent
Ridges/upr slopes....58-73 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........1800 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Mostly clear. Patchy fog in the late
evening and early morning.
* Min Temperature.......
Valleys/lwr slopes...43-51
Ridges/upr slopes....43-51
* Max Humidity.......
Valleys/lwr slopes...80-95 percent
Ridges/upr slopes....72-87 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 7 mph.
Ridges/upr slopes....North winds 5 to 7 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...65-73
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...60-75 percent
Ridges/upr slopes....52-62 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 mph...shifting to the
northwest 5 to 6 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the west 5 mph in the afternoon.
* Mixing Height..........1200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ203-204-161315-
Upper Smith-Lower Middle Klamath-
1105 AM PDT Wed Oct 15 2025
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...42-45
Ridges/upr slopes....40-43
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....74-84 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....Northwest winds 5 to 6 mph...shifting to
the northeast after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...68-76
Ridges/upr slopes....56-64
* Min Humidity.......
Valleys/lwr slopes...35-45 percent
Ridges/upr slopes....36-46 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to
the north in the afternoon.
Ridges/upr slopes....North winds 5 to 7 mph.
* Mixing Height..........3100 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature.......
Valleys/lwr slopes...44-47
Ridges/upr slopes....46-51
* Max Humidity.......
Valleys/lwr slopes...60-75 percent
Ridges/upr slopes....43-53 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 10 mph.
Ridges/upr slopes....Northeast winds 5 to 12 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...73-81
Ridges/upr slopes....60-68
* Min Humidity.......
Valleys/lwr slopes...37-47 percent
Ridges/upr slopes....39-46 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 11 mph.
Ridges/upr slopes....North winds 5 to 11 mph.
* Mixing Height..........3200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ211-212-161315-
Hoopa-Van Duzen/Mad River-
1105 AM PDT Wed Oct 15 2025
.TONIGHT...
* Sky/Weather............Partly cloudy. Patchy fog in the late
evening and overnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...42-45
Ridges/upr slopes....36-44
* Max Humidity.......
Valleys/lwr slopes...88-100 percent
Ridges/upr slopes....80-95 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to
the north after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...67-75
Ridges/upr slopes....58-66
* Min Humidity.......
Valleys/lwr slopes...49-59 percent
Ridges/upr slopes....45-55 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........2900 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature.......
Valleys/lwr slopes...43-49
Ridges/upr slopes....41-49
* Max Humidity.......
Valleys/lwr slopes...70-85 percent
Ridges/upr slopes....55-70 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph...shifting to
the northeast 5 to 6 mph after midnight.
Ridges/upr slopes....Northeast winds 5 to 8 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...73-81
Ridges/upr slopes....64-72
* Min Humidity.......
Valleys/lwr slopes...38-48 percent
Ridges/upr slopes....38-48 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 mph...shifting to the
north 5 to 6 mph in the afternoon.
Ridges/upr slopes....East winds 5 to 8 mph...shifting to the
northwest 5 to 6 mph in the afternoon.
* Mixing Height..........2600 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ283-161315-
Trinity-
1105 AM PDT Wed Oct 15 2025
.TONIGHT...
* Sky/Weather............Partly cloudy. Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...39-42
Ridges/upr slopes....33-41
* Max Humidity.......
Valleys/lwr slopes...88-100 percent
Ridges/upr slopes....76-91 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southeast winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 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 sunny. Patchy
fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...67-73
Ridges/upr slopes....55-63
* Min Humidity.......
Valleys/lwr slopes...32-41 percent
Ridges/upr slopes....35-45 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....Northwest winds 5 to 7 mph.
* Mixing Height..........3500 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature.......
Valleys/lwr slopes...41-46
Ridges/upr slopes....40-48
* Max Humidity.......
Valleys/lwr slopes...59-74 percent
Ridges/upr slopes....50-60 percent
* 20-Foot Winds...
Valleys/lwr slopes...Downslope/downvalley 2 to 4 mph...becoming
northwest 5 to 6 mph after midnight.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...73-79
Ridges/upr slopes....60-68
* Min Humidity.......
Valleys/lwr slopes...28-34 percent
Ridges/upr slopes....34-44 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........3500 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ276-161315-
Interior Mendocino-
1105 AM PDT Wed Oct 15 2025
.TONIGHT...
* Sky/Weather............Partly cloudy. Patchy fog in the late
evening and overnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...40-48
Ridges/upr slopes....40-48
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....81-96 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 sunny. Patchy
fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...66-74
Ridges/upr slopes....62-69
* Min Humidity.......
Valleys/lwr slopes...49-59 percent
Ridges/upr slopes....51-61 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph.
Ridges/upr slopes....Northwest winds 5 to 7 mph.
* Mixing Height..........2700 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...43-51
Ridges/upr slopes....44-52
* Max Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....64-79 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to
the northeast after midnight.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...73-80
Ridges/upr slopes....68-75
* Min Humidity.......
Valleys/lwr slopes...36-46 percent
Ridges/upr slopes....39-49 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to
the west 5 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 8 mph...shifting to
the west 5 mph in the afternoon.
* Mixing Height..........2500 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ277-161315-
W Mendocino NF/E Mendocino Unit-
1105 AM PDT Wed Oct 15 2025
.TONIGHT...
* Sky/Weather............Partly cloudy. Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...37-44
Ridges/upr slopes....38-44
* Max Humidity.......
Valleys/lwr slopes...84-99 percent
Ridges/upr slopes....78-92 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....North winds 5 to 7 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...68-75
Ridges/upr slopes....58-66
* Min Humidity.......
Valleys/lwr slopes...37-47 percent
Ridges/upr slopes....38-48 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 mph...shifting to the west 5
to 6 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 7 mph.
* Mixing Height..........3700 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...41-49
Ridges/upr slopes....44-52
* Max Humidity.......
Valleys/lwr slopes...59-74 percent
Ridges/upr slopes....47-57 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 8 mph.
Ridges/upr slopes....Northeast winds 5 to 10 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...75-83
Ridges/upr slopes....64-72
* Min Humidity.......
Valleys/lwr slopes...29-35 percent
Ridges/upr slopes....31-39 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to
the northwest 5 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 9 mph...shifting to
the west 5 to 6 mph in the afternoon.
* Mixing Height..........3400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ264-161315-
Lake County Portion of Lake/Napa/Sonoma RU-
1105 AM PDT Wed Oct 15 2025
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 40
Ridges/upr slopes....45-48
* Max Humidity.......
Valleys/lwr slopes...95 percent
Ridges/upr slopes....76-86 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...around 68
Ridges/upr slopes....61-66
* Min Humidity.......
Valleys/lwr slopes...40 percent
Ridges/upr slopes....45-55 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........3400 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...around 47
Ridges/upr slopes....52-56
* Max Humidity.......
Valleys/lwr slopes...64 percent
Ridges/upr slopes....46-56 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 11 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...around 75
Ridges/upr slopes....67-73
* Min Humidity.......
Valleys/lwr slopes...29 percent
Ridges/upr slopes....36-43 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 8 mph in the
morning...becoming upslope/upvalley 2 to 5
mph.
Ridges/upr slopes....Northeast winds 5 to 10 mph...shifting to
the south 5 to 6 mph in the afternoon.
* Mixing Height..........2800 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...
...Northwest California Coast...
.SATURDAY...Mostly clear. Lows 48 to 53. Highs 63 to 69. North
winds 5 mph.
.SUNDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Patchy fog in the morning. Lows near 50. Highs
58 to 65. North winds 5 mph.
.MONDAY...Partly cloudy with slight chance of showers. Lows 45 to
50. Highs 60 to 65. North winds 5 mph.
...Northwest California Interior...
.SATURDAY...Clear. Lows 46 to 54. Highs 71 to 81. Winds generally
less than 5 mph.
.SUNDAY...Mostly clear. Slight chance of showers. Lows 47 to 54.
Highs 63 to 73. West winds 5 mph.
.MONDAY...Mostly clear. Lows 41 to 49. Highs 65 to 75. North
winds 5 mph.
.6 to 10 DAY OUTLOOK...Tuesday October 21 THROUGH Saturday October 25, 2025...
FOR NW CALIF...BELOW NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
$$
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