Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
507
FNUS56 KEKA 150725
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE Eureka CA
1225 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. Another
rain system is most likely late in the weekend.
CAZ201-160130-
North Coast-
1225 AM PDT Wed Oct 15 2025
.TODAY...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...58-66
Ridges/upr slopes....55-62
* Min Humidity.......
Valleys/lwr slopes...68-83 percent
Ridges/upr slopes....66-81 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 9 mph.
Ridges/upr slopes....Southwest winds 5 to 10 mph.
* Mixing Height..........2900 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy
then becoming partly cloudy. Patchy fog
after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...42-47
Ridges/upr slopes....43-47
* Max Humidity.......
Valleys/lwr slopes...87-100 percent
Ridges/upr slopes....80-95 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....South winds 5 to 6 mph...shifting to the
northeast 5 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog early in the morning.
* Max Temperature.......
Valleys/lwr slopes...61-69
Ridges/upr slopes....58-66
* Min Humidity.......
Valleys/lwr slopes...66-81 percent
Ridges/upr slopes....63-78 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 10 mph.
Ridges/upr slopes....North winds 6 to 13 mph.
* Mixing Height..........2200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Partly cloudy. Patchy dense fog after
midnight.
* Min Temperature.......
Valleys/lwr slopes...44-50
Ridges/upr slopes....45-52
* Max Humidity.......
Valleys/lwr slopes...77-92 percent
Ridges/upr slopes....64-79 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 10 mph.
Ridges/upr slopes....North winds 5 to 11 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ202-160130-
Coastal Mendocino-
1225 AM PDT Wed Oct 15 2025
.TODAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...59-65
Ridges/upr slopes....57-62
* Min Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....66-78 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to
the southwest 5 to 8 mph in the afternoon.
Ridges/upr slopes....Southeast winds 5 to 6 mph...shifting to
the southwest 5 to 7 mph in the afternoon.
* Mixing Height..........2900 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy. Patchy fog in the evening.
Patchy fog early in the morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...44-49
Ridges/upr slopes....39-47
* Max Humidity.......
Valleys/lwr slopes...88-100 percent
Ridges/upr slopes....84-99 percent
* 20-Foot Winds...
Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph.
Ridges/upr slopes....Northeast winds 5 mph.
* Mixing Height..........100 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog early in the morning.
* Max Temperature.......
Valleys/lwr slopes...60-67
Ridges/upr slopes....60-68
* Min Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....57-72 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 after midnight.
* Min Temperature.......
Valleys/lwr slopes...45-51
Ridges/upr slopes....43-51
* Max Humidity.......
Valleys/lwr slopes...80-95 percent
Ridges/upr slopes....73-88 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 8 mph.
Ridges/upr slopes....Northeast winds 5 to 8 mph.
* Mixing Height..........100 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ203-204-160130-
Upper Smith-Lower Middle Klamath-
1225 AM PDT Wed Oct 15 2025
.TODAY...
* Sky/Weather............Sunny then becoming partly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...62-70
Ridges/upr slopes....50-58
* Min Humidity.......
Valleys/lwr slopes...61-71 percent
Ridges/upr slopes....61-71 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph.
Ridges/upr slopes....Southwest winds 5 to 8 mph.
* Mixing Height..........3600 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...41-44
Ridges/upr slopes....40-44
* Max Humidity.......
Valleys/lwr slopes...84-99 percent
Ridges/upr slopes....73-83 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....Southwest winds 5 to 6 mph...shifting to
the northeast after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...68-76
Ridges/upr slopes....56-64
* Min Humidity.......
Valleys/lwr slopes...38-48 percent
Ridges/upr slopes....42-49 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
north 5 to 6 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 7 mph.
* Mixing Height..........3300 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature.......
Valleys/lwr slopes...45-48
Ridges/upr slopes....46-49
* Max Humidity.......
Valleys/lwr slopes...60-75 percent
Ridges/upr slopes....44-53 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 9 mph.
Ridges/upr slopes....Northeast winds 5 to 9 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ211-212-160130-
Hoopa-Van Duzen/Mad River-
1225 AM PDT Wed Oct 15 2025
.TODAY...
* Sky/Weather............Partly cloudy. Patchy fog late in the
morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...62-70
Ridges/upr slopes....51-59
* Min Humidity.......
Valleys/lwr slopes...55-70 percent
Ridges/upr slopes....64-79 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 6 mph...shifting to the
west 5 to 8 mph in the afternoon.
Ridges/upr slopes....South winds 5 to 6 mph...shifting to the
southwest 5 to 7 mph in the afternoon.
* Mixing Height..........3600 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy. Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...41-44
Ridges/upr slopes....36-44
* Max Humidity.......
Valleys/lwr slopes...86-100 percent
Ridges/upr slopes....78-93 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
north after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny. Patchy fog early in the morning.
* Max Temperature.......
Valleys/lwr slopes...67-75
Ridges/upr slopes....58-66
* Min Humidity.......
Valleys/lwr slopes...50-60 percent
Ridges/upr slopes....49-59 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming
northwest 5 to 9 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........3100 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature.......
Valleys/lwr slopes...44-49
Ridges/upr slopes....41-49
* Max Humidity.......
Valleys/lwr slopes...71-86 percent
Ridges/upr slopes....58-73 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....Northeast winds 5 to 8 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ283-160130-
Trinity-
1225 AM PDT Wed Oct 15 2025
.TODAY...
* Sky/Weather............Partly cloudy then becoming sunny.
Widespread frost early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...57-64
Ridges/upr slopes....47-55
* Min Humidity.......
Valleys/lwr slopes...57-72 percent
Ridges/upr slopes....66-81 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 to 8 mph.
Ridges/upr slopes....Southeast winds 5 to 6 mph...shifting to
the southwest 5 to 7 mph in the afternoon.
* Mixing Height..........4100 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...40-43
Ridges/upr slopes....34-41
* Max Humidity.......
Valleys/lwr slopes...87-100 percent
Ridges/upr slopes....75-90 percent
* 20-Foot Winds...
Valleys/lwr slopes...East 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..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...67-73
Ridges/upr slopes....54-62
* Min Humidity.......
Valleys/lwr slopes...35-42 percent
Ridges/upr slopes....40-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........3500 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature.......
Valleys/lwr slopes...43-47
Ridges/upr slopes....40-48
* Max Humidity.......
Valleys/lwr slopes...60-75 percent
Ridges/upr slopes....51-61 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 6 mph.
Ridges/upr slopes....North winds 5 to 6 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ276-160130-
Interior Mendocino-
1225 AM PDT Wed Oct 15 2025
.TODAY...
* Sky/Weather............Mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...58-65
Ridges/upr slopes....54-62
* Min Humidity.......
Valleys/lwr slopes...59-74 percent
Ridges/upr slopes....64-78 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 8 mph.
Ridges/upr slopes....Southeast winds 5 to 7 mph...shifting to
the southwest 5 to 6 mph in the afternoon.
* Mixing Height..........3600 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...39-47
Ridges/upr slopes....40-48
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....80-95 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph.
Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to
the north after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog in the morning.
* Max Temperature.......
Valleys/lwr slopes...66-74
Ridges/upr slopes....61-69
* Min Humidity.......
Valleys/lwr slopes...50-60 percent
Ridges/upr slopes....52-62 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........2900 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...44-52
Ridges/upr slopes....45-53
* Max Humidity.......
Valleys/lwr slopes...68-83 percent
Ridges/upr slopes....65-80 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 7 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ277-160130-
W Mendocino NF/E Mendocino Unit-
1225 AM PDT Wed Oct 15 2025
.TODAY...
* Sky/Weather............Mostly cloudy. Patchy fog early in the
morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...58-66
Ridges/upr slopes....47-55
* Min Humidity.......
Valleys/lwr slopes...58-70 percent
Ridges/upr slopes....72-87 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph.
Ridges/upr slopes....South winds 5 to 6 mph...shifting to the
southwest 5 to 7 mph in the afternoon.
* Mixing Height..........4000 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...37-44
Ridges/upr slopes....37-44
* Max Humidity.......
Valleys/lwr slopes...84-99 percent
Ridges/upr slopes....80-95 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
north after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...69-77
Ridges/upr slopes....58-66
* Min Humidity.......
Valleys/lwr slopes...38-47 percent
Ridges/upr slopes....39-49 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 7 mph.
* Mixing Height..........3600 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...42-50
Ridges/upr slopes....45-52
* Max Humidity.......
Valleys/lwr slopes...61-76 percent
Ridges/upr slopes....49-59 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 8 mph.
Ridges/upr slopes....Northeast winds 5 to 9 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ264-160130-
Lake County Portion of Lake/Napa/Sonoma RU-
1225 AM PDT Wed Oct 15 2025
.TODAY...
* Sky/Weather............Mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...around 58
Ridges/upr slopes....51-56
* Min Humidity.......
Valleys/lwr slopes...63 percent
Ridges/upr slopes....71-81 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 7 mph.
Ridges/upr slopes....Southeast winds 5 to 7 mph.
* Mixing Height..........3400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 41
Ridges/upr slopes....44-49
* Max Humidity.......
Valleys/lwr slopes...95 percent
Ridges/upr slopes....74-85 percent
* 20-Foot Winds...
Valleys/lwr slopes...Downslope/downvalley 2 to 4 mph...becoming
northwest 5 mph after midnight.
Ridges/upr slopes....Variable 2 to 4 mph...becoming northwest 5
mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny. Patchy fog early in the morning.
* Max Temperature.......
Valleys/lwr slopes...around 69
Ridges/upr slopes....61-66
* Min Humidity.......
Valleys/lwr slopes...43 percent
Ridges/upr slopes....44-54 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph.
Ridges/upr slopes....Northwest winds 5 to 7 mph.
* Mixing Height..........3500 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...around 47
Ridges/upr slopes....52-55
* Max Humidity.......
Valleys/lwr slopes...66 percent
Ridges/upr slopes....48-58 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 9 mph.
Ridges/upr slopes....North winds 5 to 12 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...
...Northwest California Coast...
.FRIDAY...Mostly clear. Lows near 50. Highs 63 to 69. North winds
5 mph.
.SATURDAY...Partly cloudy. Chance of showers. Lows near 50. Highs
64 to 69. Winds generally less than 5 mph.
.SUNDAY...Partly cloudy. Patchy fog in the morning. Chance of
showers. Lows 43 to 48. Highs 57 to 65. North winds 5 mph.
...Northwest California Interior...
.FRIDAY...Mostly clear. Lows 46 to 54. Highs 71 to 81. Winds
generally less than 5 mph.
.SATURDAY...Mostly clear. Lows 46 to 54. Highs 71 to 81. Winds
generally less than 5 mph.
.SUNDAY...Partly cloudy with chance of showers. Lows 39 to 47.
Highs 62 to 72. Northwest winds 5 mph.
.6 to 10 DAY OUTLOOK...Monday October 20 THROUGH Friday October 24, 2025...
FOR NW CALIF...BELOW NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
$$
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