Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
748
FNUS56 KEKA 312205
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE Eureka CA
305 PM PDT Sat Oct 31 2026
.DISCUSSION...A weak weather system stalled on shore will cross
the area through early Sunday morning, bringing very light rain
and drizzle. Moisture will quickly clear out with dry air moving
in Sunday and weak high pressure allowing highs to return near 70
by Monday. Despite the front, north winds will remain weak.
Another front is expected around Tuesday with a roughly 40% chance
of widespread wetting rain. Moderate south and the north winds
are expected with this second front.
CAZ401-011330-
Coastal Del Norte-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Chance of rain in the evening. Patchy fog
in the late evening and overnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...40-43
Ridges/upr slopes....40-43
* Max Humidity.......
Valleys/lwr slopes...91-100 percent
Ridges/upr slopes....86-100 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....Northeast winds 5 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...55-60
Ridges/upr slopes....53-58
* Min Humidity.......
Valleys/lwr slopes...61-76 percent
Ridges/upr slopes....65-75 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....Variable 1 to 3 mph.
* Mixing Height..........1800 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...40-43
Ridges/upr slopes....40-44
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....86-100 percent
* 20-Foot Winds...
Valleys/lwr slopes...Downslope/downvalley 2 to 4 mph...becoming
east 5 mph after midnight.
Ridges/upr slopes....North winds 5 mph...shifting to the east 5
to 6 mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...57-62
Ridges/upr slopes....around 60
* Min Humidity.......
Valleys/lwr slopes...60-72 percent
Ridges/upr slopes....60-70 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....East winds 5 to 6 mph in the
morning...becoming light winds 2 to 4 mph.
* Mixing Height..........1300 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ402-011330-
Interior Del Norte Including the Smith River Valley-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Chance of rain in the evening.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...40-43
Ridges/upr slopes....37-43
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....78-93 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....Northeast winds 5 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...55-61
Ridges/upr slopes....47-55
* Min Humidity.......
Valleys/lwr slopes...59-69 percent
Ridges/upr slopes....58-69 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 mph in the morning...becoming
upslope/upvalley 2 to 4 mph.
Ridges/upr slopes....Northeast winds 5 to 6 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
* Mixing Height..........3100 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...39-43
Ridges/upr slopes....35-42
* Max Humidity.......
Valleys/lwr slopes...78-93 percent
Ridges/upr slopes....70-85 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 8 mph.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the east 5 to 7 mph after midnight.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...59-64
Ridges/upr slopes....50-58
* Min Humidity.......
Valleys/lwr slopes...54-64 percent
Ridges/upr slopes....51-61 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 to 6 mph in the
morning...becoming light winds 2 to 4 mph.
Ridges/upr slopes....East winds 5 to 9 mph...shifting to the
south 5 mph in the afternoon.
* Mixing Height..........2900 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ403-011330-
Northeastern Interior Humboldt and Southwestern Siskiyou
Including Orleans-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Chance of rain and snow in the evening,
then slight chance of rain after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...38-43
Ridges/upr slopes....32-39
* Max Humidity.......
Valleys/lwr slopes...83-98 percent
Ridges/upr slopes....77-87 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....Southwest winds 5 mph in the
evening...becoming light winds 2 to 4 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...55-63
Ridges/upr slopes....45-53
* Min Humidity.......
Valleys/lwr slopes...50-60 percent
Ridges/upr slopes....53-63 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....North winds 5 mph.
* Mixing Height..........4000 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...39-42
Ridges/upr slopes....34-39
* Max Humidity.......
Valleys/lwr slopes...75-90 percent
Ridges/upr slopes....63-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...Downslope/downvalley 2 to 4 mph...becoming
northeast 5 mph after midnight.
Ridges/upr slopes....Northeast winds 5 to 7 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...59-66
Ridges/upr slopes....48-56
* Min Humidity.......
Valleys/lwr slopes...41-51 percent
Ridges/upr slopes....42-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 mph in the morning...becoming
upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....East winds 5 to 7 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
* Mixing Height..........3000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ404-011330-
Northern Coastal Humboldt-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Chance of rain early in the evening, then
slight chance of rain late in the evening.
Patchy fog in the late evening and
overnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...38-43
Ridges/upr slopes....around 42
* Max Humidity.......
Valleys/lwr slopes...94-100 percent
Ridges/upr slopes....95 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....Variable 1 to 3 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog until late afternoon.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...54-58
Ridges/upr slopes....around 51
* Min Humidity.......
Valleys/lwr slopes...69-80 percent
Ridges/upr slopes....77 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
northwest 5 to 7 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming north 5 mph
in the afternoon.
* Mixing Height..........2300 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Patchy fog late in the evening.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...38-43
Ridges/upr slopes....around 42
* Max Humidity.......
Valleys/lwr slopes...94-100 percent
Ridges/upr slopes....95 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the
east 5 mph after midnight.
Ridges/upr slopes....North winds 5 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...59-62
Ridges/upr slopes....around 57
* Min Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....68 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 mph...shifting to the
southwest in the afternoon.
Ridges/upr slopes....Variable 1 to 3 mph.
* Mixing Height..........2100 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ405-011330-
Northwestern Interior Humboldt Including the Bald Hills-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Chance of rain early in the evening.
Slight chance of rain late in the evening.
Patchy fog through the night.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...39-44
Ridges/upr slopes....38-43
* Max Humidity.......
Valleys/lwr slopes...81-96 percent
Ridges/upr slopes....80-95 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....Variable 1 to 3 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Sunny. Patchy fog until late afternoon.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...53-60
Ridges/upr slopes....46-54
* Min Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....61-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....Northeast winds 5 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
* Mixing Height..........2700 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...39-43
Ridges/upr slopes....37-42
* Max Humidity.......
Valleys/lwr slopes...80-95 percent
Ridges/upr slopes....77-92 percent
* 20-Foot Winds...
Valleys/lwr slopes...Downslope/downvalley 2 to 4 mph...becoming
east 5 mph after midnight.
Ridges/upr slopes....Northeast winds 5 mph...shifting to the
east 5 to 7 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...58-65
Ridges/upr slopes....53-61
* Min Humidity.......
Valleys/lwr slopes...57-67 percent
Ridges/upr slopes....55-65 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 to 6 mph in the
morning...becoming light winds 2 to 4 mph.
Ridges/upr slopes....East winds 5 to 9 mph in the
morning...becoming light winds 2 to 4 mph.
* Mixing Height..........3000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ406-011330-
Eastern Interior Humboldt Including Willow Creek and Hoopa-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Chance of rain in the evening. Patchy fog
after midnight. Areas of fog late in the
night.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...38-42
Ridges/upr slopes....36-40
* Max Humidity.......
Valleys/lwr slopes...84-99 percent
Ridges/upr slopes....77-92 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....Southwest winds 5 mph in the
evening...becoming light winds 2 to 4 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny. Patchy fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...54-62
Ridges/upr slopes....44-52
* Min Humidity.......
Valleys/lwr slopes...54-64 percent
Ridges/upr slopes....56-66 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph...becoming
northwest 5 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming northwest 5
mph in the afternoon.
* Mixing Height..........3400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...38-42
Ridges/upr slopes....36-39
* Max Humidity.......
Valleys/lwr slopes...80-95 percent
Ridges/upr slopes....64-79 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 8 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...60-68
Ridges/upr slopes....49-57
* Min Humidity.......
Valleys/lwr slopes...43-53 percent
Ridges/upr slopes....40-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 mph in the morning...becoming
light winds 1 to 3 mph.
Ridges/upr slopes....Southeast winds 5 to 9 mph in the
morning...becoming upslope/upvalley 2 to 5
mph.
* Mixing Height..........4000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ407-011330-
Southwestern Humboldt Including the King Range and the Eel River
Valley-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Chance of rain early in the evening, then
chance of showers and slight chance of
thunderstorms late in the evening. Patchy
fog in the late evening and overnight.
* Chance Lightning.......10%.
* Min Temperature.......
Valleys/lwr slopes...39-44
Ridges/upr slopes....38-43
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....82-97 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....North winds 5 to 6 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Sunny. Patchy fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...53-61
Ridges/upr slopes....46-53
* Min Humidity.......
Valleys/lwr slopes...56-66 percent
Ridges/upr slopes....68-83 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 8 mph.
* Mixing Height..........3000 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy. Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...38-43
Ridges/upr slopes....36-42
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....79-94 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 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Mostly cloudy. Patchy fog early in the
morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...57-64
Ridges/upr slopes....53-58
* Min Humidity.......
Valleys/lwr slopes...50-60 percent
Ridges/upr slopes....57-67 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....East winds 5 mph in the morning...becoming
light winds 1 to 3 mph.
* Mixing Height..........3000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ408-011330-
Southeastern Interior Humboldt Including Kneeland and Alderpoint-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Chance of rain in the evening. Patchy fog
through the night.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...40-44
Ridges/upr slopes....35-42
* Max Humidity.......
Valleys/lwr slopes...87-100 percent
Ridges/upr slopes....81-96 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....Variable 1 to 3 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...53-60
Ridges/upr slopes....46-52
* Min Humidity.......
Valleys/lwr slopes...59-74 percent
Ridges/upr slopes....66-81 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
northwest 5 to 6 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming northwest 5
mph in the afternoon.
* Mixing Height..........3600 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear. Patchy fog late in the
evening. Areas of frost after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...39-43
Ridges/upr slopes....35-41
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....76-91 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the
east 5 mph after midnight.
Ridges/upr slopes....North winds 5 mph...shifting to the east 5
to 6 mph after midnight.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...57-64
Ridges/upr slopes....51-58
* Min Humidity.......
Valleys/lwr slopes...54-64 percent
Ridges/upr slopes....56-66 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 mph...shifting to the south
in the afternoon.
Ridges/upr slopes....East winds 5 to 6 mph...shifting to the
south 5 mph in the afternoon.
* Mixing Height..........3400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ409-011330-
Northwestern Trinity Including Salyer and Big Bar-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Slight chance of thunderstorms early in
the evening. Chance of rain in the
evening, then slight chance of rain after
midnight. Areas of frost late in the
night.
* Chance Lightning.......10% decreasing to 0% after midnight.
* Min Temperature.......
Valleys/lwr slopes...37-42
Ridges/upr slopes....33-40
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....76-91 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....Variable 2 to 4 mph...becoming east 5 mph
after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Areas
of frost and patchy fog early in the
morning. Patchy frost late in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...55-63
Ridges/upr slopes....44-52
* Min Humidity.......
Valleys/lwr slopes...48-58 percent
Ridges/upr slopes....50-60 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....North winds 5 to 6 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
* Mixing Height..........4200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear. Areas of frost after
midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...36-40
Ridges/upr slopes....33-39
* Max Humidity.......
Valleys/lwr slopes...77-92 percent
Ridges/upr slopes....60-75 percent
* 20-Foot Winds...
Valleys/lwr slopes...Downslope/downvalley 2 to 4 mph...becoming
east 5 to 6 mph after midnight.
Ridges/upr slopes....North winds 5 mph...shifting to the east 5
to 7 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Areas of frost early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...61-69
Ridges/upr slopes....49-57
* Min Humidity.......
Valleys/lwr slopes...35-45 percent
Ridges/upr slopes....35-45 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....East winds 5 to 7 mph...shifting to the
south 5 mph in the afternoon.
* Mixing Height..........4000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ410-011330-
Northeastern Trinity Including Trinity Lake-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy. Chance of showers, snow
showers and slight chance of thunderstorms
in the evening, then chance of rain and
snow after midnight. Slight chance of rain
and snow late in the night. Widespread
frost late in the night.
* Chance Lightning.......10% decreasing to 0% after midnight.
* Min Temperature.......
Valleys/lwr slopes...34-41
Ridges/upr slopes....30-38
* Max Humidity.......
Valleys/lwr slopes...94-100 percent
Ridges/upr slopes....81-96 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....Variable 2 to 4 mph...becoming southeast 5
mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
Widespread frost in the morning. Patchy
fog until late afternoon. Patchy frost
early in the afternoon.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...51-58
Ridges/upr slopes....40-48
* Min Humidity.......
Valleys/lwr slopes...48-58 percent
Ridges/upr slopes....57-67 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....North winds 5 to 6 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
* Mixing Height..........4400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy. Widespread frost in the
evening. Areas of frost after midnight,
then widespread frost early in the
morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...32-38
Ridges/upr slopes....29-37
* Max Humidity.......
Valleys/lwr slopes...79-94 percent
Ridges/upr slopes....61-76 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..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Areas of frost early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...55-62
Ridges/upr slopes....45-53
* Min Humidity.......
Valleys/lwr slopes...39-48 percent
Ridges/upr slopes....38-47 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....North winds 5 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
* Mixing Height..........3200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ411-011330-
Eastern Trinity Including Weaverville and Hayfork-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy. Chance of showers and
slight chance of thunderstorms in the
evening, then slight chance of rain after
midnight. Patchy fog after midnight. Areas
of fog late in the night.
* Chance Lightning.......10% decreasing to 0% after midnight.
* Min Temperature.......
Valleys/lwr slopes...34-40
Ridges/upr slopes....36-39
* Max Humidity.......
Valleys/lwr slopes...95-100 percent
Ridges/upr slopes....83-98 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....Variable 2 to 4 mph...becoming northwest 5
mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Areas
of fog early in the morning. Patchy frost
in the morning. Patchy fog late in the
morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...55-61
Ridges/upr slopes....46-53
* Min Humidity.......
Valleys/lwr slopes...43-53 percent
Ridges/upr slopes....46-56 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....North winds 5 to 6 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
* Mixing Height..........4400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear. Areas of frost in the late
evening and overnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...33-38
Ridges/upr slopes....35-38
* Max Humidity.......
Valleys/lwr slopes...78-93 percent
Ridges/upr slopes....65-78 percent
* 20-Foot Winds...
Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph.
Ridges/upr slopes....Variable 1 to 3 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Areas of frost early in the morning.
Patchy frost late in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...59-66
Ridges/upr slopes....50-58
* Min Humidity.......
Valleys/lwr slopes...35-45 percent
Ridges/upr slopes....38-48 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....Southeast winds 5 mph.
* Mixing Height..........3800 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ412-011330-
Southern Trinity Including Ruth Lake and the Yolla Bollys-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy. Chance of rain and snow in
the evening. Slight chance of rain and
snow after midnight. Patchy fog late in
the evening. Areas of fog after midnight.
Areas of frost late in the night.
* Chance Lightning.......10%.
* Min Temperature.......
Valleys/lwr slopes...36-42
Ridges/upr slopes....32-39
* Max Humidity.......
Valleys/lwr slopes...86-100 percent
Ridges/upr slopes....81-96 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....Southwest winds 5 mph...shifting to the
northeast after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Areas
of frost early in the morning. Patchy fog
in the morning. Patchy frost late in the
morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...54-61
Ridges/upr slopes....47-55
* Min Humidity.......
Valleys/lwr slopes...54-64 percent
Ridges/upr slopes....51-61 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph...becoming
northwest 5 mph in the afternoon.
Ridges/upr slopes....North winds 5 mph.
* Mixing Height..........4600 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear. Patchy frost late in the
evening. Areas of frost after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...34-41
Ridges/upr slopes....32-39
* Max Humidity.......
Valleys/lwr slopes...78-93 percent
Ridges/upr slopes....75-90 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....North winds 5 mph...shifting to the east 5
to 6 mph after midnight.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Areas of frost early in the morning.
Patchy frost late in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...59-66
Ridges/upr slopes....51-59
* Min Humidity.......
Valleys/lwr slopes...42-52 percent
Ridges/upr slopes....36-46 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....Southeast winds 5 mph...shifting to the
south in the afternoon.
* Mixing Height..........3600 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ413-011330-
Coastal Mendocino-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy. Showers likely and slight
chance of thunderstorms in the evening,
then chance of rain after midnight. Patchy
fog after midnight.
* Chance Lightning.......10%.
* Min Temperature.......
Valleys/lwr slopes...40-48
Ridges/upr slopes....37-45
* Max Humidity.......
Valleys/lwr slopes...83-98 percent
Ridges/upr slopes....81-96 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....Variable 2 to 4 mph...becoming northeast 5
to 6 mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....20 percent.
.SUNDAY...
* Sky/Weather............Sunny. Patchy fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...56-60
Ridges/upr slopes....55-59
* Min Humidity.......
Valleys/lwr slopes...59-74 percent
Ridges/upr slopes....56-71 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph.
Ridges/upr slopes....Northwest winds 5 to 7 mph.
* Mixing Height..........2400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy. Patchy fog in the late
evening and overnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...39-47
Ridges/upr slopes....38-46
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....80-95 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....North winds 5 to 6 mph...shifting to the
northeast 5 mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...59-65
Ridges/upr slopes....57-63
* Min Humidity.......
Valleys/lwr slopes...54-69 percent
Ridges/upr slopes....54-68 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....Variable 1 to 3 mph.
* Mixing Height..........2000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ414-011330-
Northern Interior Mendocino Including Leggett and Willits-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy. Chance of rain early in the
evening, then chance of showers and slight
chance of thunderstorms late in the
evening. Slight chance of rain after
midnight. Patchy fog in the late evening
and overnight.
* Chance Lightning.......10%.
* Min Temperature.......
Valleys/lwr slopes...34-42
Ridges/upr slopes....36-43
* Max Humidity.......
Valleys/lwr slopes...92-100 percent
Ridges/upr slopes....80-95 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....West winds 5 mph...shifting to the north
after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog early in the morning. Patchy frost in
the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...56-62
Ridges/upr slopes....50-58
* Min Humidity.......
Valleys/lwr slopes...50-60 percent
Ridges/upr slopes....55-65 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
northwest 5 to 6 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 7 mph.
* Mixing Height..........4200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear. Patchy fog and frost early
in the morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...34-42
Ridges/upr slopes....35-42
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....74-89 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....North winds 5 to 6 mph...shifting to the
east 5 mph after midnight.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Mostly cloudy. Patchy frost in the
morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...60-66
Ridges/upr slopes....54-61
* Min Humidity.......
Valleys/lwr slopes...43-53 percent
Ridges/upr slopes....50-60 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....East winds 5 to 6 mph...shifting to the
south 5 mph in the afternoon.
* Mixing Height..........3500 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ415-011330-
Northeastern Interior Mendocino Including Covelo-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy. Chance of rain in the
evening. Slight chance of rain after
midnight. Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...34-42
Ridges/upr slopes....35-41
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....79-94 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 1 to 3 mph.
Ridges/upr slopes....Southwest winds 5 mph in the
evening...becoming light winds 2 to 4 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog and frost in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...56-62
Ridges/upr slopes....47-55
* Min Humidity.......
Valleys/lwr slopes...46-56 percent
Ridges/upr slopes....48-58 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....North winds 5 mph...shifting to the
northwest in the afternoon.
* Mixing Height..........4400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear. Areas of frost early in the
morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...33-41
Ridges/upr slopes....37-42
* Max Humidity.......
Valleys/lwr slopes...74-89 percent
Ridges/upr slopes....62-77 percent
* 20-Foot Winds...
Valleys/lwr slopes...Downslope/downvalley 2 to 4 mph...becoming
northeast 5 mph after midnight.
Ridges/upr slopes....Northwest winds 5 mph...shifting to the
east 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Areas of frost early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...60-66
Ridges/upr slopes....51-59
* Min Humidity.......
Valleys/lwr slopes...38-48 percent
Ridges/upr slopes....35-43 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....East winds 5 mph in the morning...becoming
upslope/upvalley 2 to 4 mph.
* Mixing Height..........3400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ416-011330-
Southeastern Interior Mendocino Including Ukiah and Potter Valley-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy. Chance of rain until early
morning. Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...36-44
Ridges/upr slopes....40-46
* Max Humidity.......
Valleys/lwr slopes...80-95 percent
Ridges/upr slopes....75-90 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 6 mph in the
evening...becoming light winds 2 to 4 mph.
Ridges/upr slopes....West winds 5 to 7 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...58-65
Ridges/upr slopes....53-59
* Min Humidity.......
Valleys/lwr slopes...45-55 percent
Ridges/upr slopes....48-58 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
northwest 5 to 7 mph in the afternoon.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........4600 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...36-44
Ridges/upr slopes....41-45
* Max Humidity.......
Valleys/lwr slopes...75-90 percent
Ridges/upr slopes....61-76 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....Northwest winds 5 to 7 mph...shifting to
the northeast 5 mph after midnight.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...62-68
Ridges/upr slopes....57-62
* Min Humidity.......
Valleys/lwr slopes...37-45 percent
Ridges/upr slopes....40-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 mph in the morning...becoming
light winds 2 to 4 mph.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the south 5 mph in the afternoon.
* Mixing Height..........3400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ417-011330-
Southwestern Interior Mendocino Including Boonville-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy. Slight chance of rain early
in the evening, then chance of showers and
slight chance of thunderstorms late in the
evening. Chance of rain after midnight.
Patchy fog late in the night.
* Chance Lightning.......10%.
* Min Temperature.......
Valleys/lwr slopes...41-46
Ridges/upr slopes....42-46
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....80-95 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 mph in the
evening...becoming light winds 1 to 3 mph.
Ridges/upr slopes....Southwest winds 5 to 6 mph in the
evening...becoming light winds 2 to 4 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...56-63
Ridges/upr slopes....53-61
* Min Humidity.......
Valleys/lwr slopes...53-63 percent
Ridges/upr slopes....54-64 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
northwest 5 to 6 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming northwest 5
to 6 mph in the afternoon.
* Mixing Height..........3600 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...40-45
Ridges/upr slopes....41-45
* Max Humidity.......
Valleys/lwr slopes...76-91 percent
Ridges/upr slopes....71-86 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 in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...61-67
Ridges/upr slopes....58-64
* Min Humidity.......
Valleys/lwr slopes...44-54 percent
Ridges/upr slopes....45-55 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....East winds 5 mph in the morning...becoming
light winds 2 to 4 mph.
* Mixing Height..........3200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ418-011330-
Northern Lake Including Gravelly Valley-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy. Slight chance of rain until
early morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...33-41
Ridges/upr slopes....35-42
* Max Humidity.......
Valleys/lwr slopes...79-94 percent
Ridges/upr slopes....72-87 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 6 mph in the
evening...becoming light winds 2 to 4 mph.
Ridges/upr slopes....Southwest winds 5 to 6 mph...shifting to
the northwest 5 mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
frost in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...61-65
Ridges/upr slopes....49-57
* Min Humidity.......
Valleys/lwr slopes...41-51 percent
Ridges/upr slopes....51-61 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....North winds 5 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
* Mixing Height..........4700 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...34-42
Ridges/upr slopes....38-44
* Max Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....57-72 percent
* 20-Foot Winds...
Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph.
Ridges/upr slopes....Northwest winds 5 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...64-69
Ridges/upr slopes....53-61
* Min Humidity.......
Valleys/lwr slopes...31-41 percent
Ridges/upr slopes....34-44 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....North winds 5 mph...shifting to the south
in the afternoon.
* Mixing Height..........3300 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ419-011330-
Eastern Lake Including Clearlake and Middletown-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy
then becoming partly cloudy. Slight chance
of rain in the late evening and overnight.
Patchy fog late in the night.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...36-43
Ridges/upr slopes....38-43
* Max Humidity.......
Valleys/lwr slopes...83-98 percent
Ridges/upr slopes....80-91 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 7 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...61-66
Ridges/upr slopes....54-60
* Min Humidity.......
Valleys/lwr slopes...41-48 percent
Ridges/upr slopes....52-62 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 7 mph.
Ridges/upr slopes....North winds 5 to 7 mph.
* Mixing Height..........5000 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...37-45
Ridges/upr slopes....39-46
* Max Humidity.......
Valleys/lwr slopes...71-86 percent
Ridges/upr slopes....64-79 percent
* 20-Foot Winds...
Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph.
Ridges/upr slopes....Variable 2 to 4 mph...becoming northwest 5
mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...64-68
Ridges/upr slopes....57-62
* Min Humidity.......
Valleys/lwr slopes...35-42 percent
Ridges/upr slopes....39-49 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....Variable 2 to 4 mph...becoming southeast 5
mph in the afternoon.
* Mixing Height..........2900 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ420-011330-
Southern Lake Including Cobb and Konocti-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Chance of rain in the late evening and
early morning. Slight chance of rain late
in the night.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...37-42
Ridges/upr slopes....40-43
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....74-89 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 7 mph in the
evening...becoming light winds 2 to 4 mph.
Ridges/upr slopes....West winds 5 to 7 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...61-64
Ridges/upr slopes....54-60
* Min Humidity.......
Valleys/lwr slopes...41-48 percent
Ridges/upr slopes....45-55 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
north 5 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 7 mph.
* Mixing Height..........5100 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...39-44
Ridges/upr slopes....43-46
* Max Humidity.......
Valleys/lwr slopes...67-79 percent
Ridges/upr slopes....60-75 percent
* 20-Foot Winds...
Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph.
Ridges/upr slopes....Northwest winds 5 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...64-67
Ridges/upr slopes....56-63
* Min Humidity.......
Valleys/lwr slopes...38-45 percent
Ridges/upr slopes....40-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph...becoming
southeast 5 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 mph...shifting to the
south in the afternoon.
* Mixing Height..........3000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ421-011330-
Western Lake Including Lakeport-
305 PM PDT Sat Oct 31 2026
.TONIGHT...
* Sky/Weather............Mostly cloudy. Slight chance of rain in
the evening. Chance of rain after
midnight. Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...34-42
Ridges/upr slopes....39-44
* Max Humidity.......
Valleys/lwr slopes...91-100 percent
Ridges/upr slopes....77-92 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 7 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...61-64
Ridges/upr slopes....55-58
* Min Humidity.......
Valleys/lwr slopes...43-53 percent
Ridges/upr slopes....49-56 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
northwest 5 mph in the afternoon.
Ridges/upr slopes....Northwest winds 5 to 7 mph.
* Mixing Height..........4800 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...36-44
Ridges/upr slopes....39-45
* Max Humidity.......
Valleys/lwr slopes...76-91 percent
Ridges/upr slopes....62-77 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 mph in the
evening...becoming downslope/downvalley 1
to 3 mph.
Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to
the north 5 to 6 mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.MONDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...63-66
Ridges/upr slopes....around 60
* Min Humidity.......
Valleys/lwr slopes...38-48 percent
Ridges/upr slopes....40-48 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....East winds 5 to 6 mph...shifting to the
south 5 mph in the afternoon.
* Mixing Height..........3300 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...
...Northwest California Coast...
.TUESDAY...Mostly cloudy with chance of rain. Lows 43 to 51.
Highs 57 to 63. Southeast winds 5 mph.
.WEDNESDAY...Mostly cloudy with chance of rain. Lows 42 to 50.
Highs 58 to 63. Winds generally less than 5 mph.
.THURSDAY...Mostly cloudy with chance of rain. Patchy fog in the
morning. Lows 44 to 52. Highs 57 to 63. North winds 5 mph.
...Northwest California Interior...
.TUESDAY...Mostly cloudy with chance of rain. Lows 39 to 47.
Highs 55 to 62. Winds generally less than 5 mph.
.WEDNESDAY...Mostly cloudy. Chance of rain. Patchy fog. Lows
37 to 45. Highs 59 to 67. Winds generally less than 5 mph.
.THURSDAY...Partly cloudy with slight chance of rain. Patchy fog
in the morning. Lows 38 to 46. Highs 60 to 68. Winds generally
less than 5 mph.
.6 to 10 DAY OUTLOOK...Friday November 6 THROUGH Tuesday November 10, 2026...
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
$$
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