Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
528
FNUS56 KEKA 282151
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE Eureka CA
251 PM PDT Mon Sep 28 2026
.DISCUSSION...High pressure builds over Northwest California
throughout the week bringing a steady warming and drying trend.
Afternoon high temperatures across interior valleys will reach the
80s and 90s by mid-week. Minimum relative humidity values will
drop into the teens and lower 20s across interior valleys each
afternoon, while coastal areas stay cooler with moderate overnight
humidity recovery. Winds will follow gentle daily cycles, blowing
onshore during the afternoon and turning offshore overnight. No
rain is expected through the upcoming week.
CAZ401-291330-
Coastal Del Norte-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-52
Ridges/upr slopes....around 50
* Max Humidity.......
Valleys/lwr slopes...78-89 percent
Ridges/upr slopes....78-88 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 10 to 17 mph.
Ridges/upr slopes....North winds 10 to 17 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...65-71
Ridges/upr slopes....65-70
* Min Humidity.......
Valleys/lwr slopes...60-70 percent
Ridges/upr slopes....60-70 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 10 to 17 mph.
Ridges/upr slopes....Northwest winds 10 to 17 mph.
* Mixing Height..........1500 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-55
Ridges/upr slopes....51-54
* Max Humidity.......
Valleys/lwr slopes...85-95 percent
Ridges/upr slopes....83-93 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 11 to 18 mph.
Ridges/upr slopes....North winds 11 to 18 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...69-76
Ridges/upr slopes....70-75
* Min Humidity.......
Valleys/lwr slopes...60-71 percent
Ridges/upr slopes....59-69 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 12 mph.
Ridges/upr slopes....North winds 5 to 12 mph.
* Mixing Height..........1400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ402-291330-
Interior Del Norte Including the Smith River Valley-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 50
Ridges/upr slopes....48-52
* Max Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....53-63 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 7 mph.
Ridges/upr slopes....North winds 5 to 7 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...71-79
Ridges/upr slopes....64-72
* Min Humidity.......
Valleys/lwr slopes...52-62 percent
Ridges/upr slopes....47-57 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 9 mph.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........2900 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-54
Ridges/upr slopes....51-56
* Max Humidity.......
Valleys/lwr slopes...70-85 percent
Ridges/upr slopes....58-73 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 9 mph.
Ridges/upr slopes....Northeast winds 5 to 9 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...76-84
Ridges/upr slopes....70-78
* Min Humidity.......
Valleys/lwr slopes...52-62 percent
Ridges/upr slopes....49-59 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 11 mph.
Ridges/upr slopes....Northeast winds 6 to 9 mph...shifting to
the north 5 to 6 mph in the afternoon.
* Mixing Height..........3400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ403-291330-
Northeastern Interior Humboldt and Southwestern Siskiyou
Including Orleans-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-52
Ridges/upr slopes....around 50
* Max Humidity.......
Valleys/lwr slopes...54-69 percent
Ridges/upr slopes....42-52 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph...shifting to the
east 5 mph after midnight.
Ridges/upr slopes....North winds 5 to 11 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...80-88
Ridges/upr slopes....67-75
* Min Humidity.......
Valleys/lwr slopes...23-31 percent
Ridges/upr slopes....29-37 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 mph...shifting to the west 5
to 8 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........4200 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-54
Ridges/upr slopes....49-53
* Max Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....51-61 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 6 mph...shifting to the
northeast after midnight.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...86-94
Ridges/upr slopes....72-80
* Min Humidity.......
Valleys/lwr slopes...22-29 percent
Ridges/upr slopes....29-37 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 6 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
Ridges/upr slopes....Northeast winds 5 to 8 mph...shifting to
the northwest 5 to 6 mph in the afternoon.
* Mixing Height..........4200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ404-291330-
Northern Coastal Humboldt-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...46-50
Ridges/upr slopes....around 48
* Max Humidity.......
Valleys/lwr slopes...90-100 percent
Ridges/upr slopes....95 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 9 mph.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming sunny then becoming partly
cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...63-67
Ridges/upr slopes....around 60
* Min Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....74 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 12 mph.
Ridges/upr slopes....North winds 11 to 18 mph.
* Mixing Height..........2000 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly cloudy. Patchy fog early in the
morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-54
Ridges/upr slopes....around 53
* Max Humidity.......
Valleys/lwr slopes...91-100 percent
Ridges/upr slopes....93 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 11 mph.
Ridges/upr slopes....North winds 5 to 11 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming sunny. Patchy fog early in
the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...65-72
Ridges/upr slopes....around 63
* Min Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....75 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........1400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ405-291330-
Northwestern Interior Humboldt Including the Bald Hills-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...46-52
Ridges/upr slopes....46-51
* Max Humidity.......
Valleys/lwr slopes...74-89 percent
Ridges/upr slopes....67-82 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....North winds 5 to 10 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...67-75
Ridges/upr slopes....62-70
* Min Humidity.......
Valleys/lwr slopes...56-66 percent
Ridges/upr slopes....53-63 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........1900 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-54
Ridges/upr slopes....48-53
* Max Humidity.......
Valleys/lwr slopes...77-92 percent
Ridges/upr slopes....69-84 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
Ridges/upr slopes....North winds 6 to 13 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...75-83
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...55-65 percent
Ridges/upr slopes....54-64 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 7 mph...shifting to
the northwest 5 to 6 mph in the afternoon.
* Mixing Height..........2400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ406-291330-
Eastern Interior Humboldt Including Willow Creek and Hoopa-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 50
Ridges/upr slopes....around 50
* Max Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....53-63 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....North winds 5 to 9 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...77-85
Ridges/upr slopes....63-71
* Min Humidity.......
Valleys/lwr slopes...32-40 percent
Ridges/upr slopes....31-41 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........2300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-53
Ridges/upr slopes....50-53
* Max Humidity.......
Valleys/lwr slopes...71-86 percent
Ridges/upr slopes....54-64 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....North winds 5 to 8 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...85-93
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...30-38 percent
Ridges/upr slopes....32-40 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
northwest 5 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the northwest 5 mph in the afternoon.
* Mixing Height..........4100 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ407-291330-
Southwestern Humboldt Including the King Range and the Eel River
Valley-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 50
Ridges/upr slopes....45-52
* Max Humidity.......
Valleys/lwr slopes...78-93 percent
Ridges/upr slopes....69-84 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 7 to 14 mph.
Ridges/upr slopes....North winds 10 to 17 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...71-79
Ridges/upr slopes....60-68
* Min Humidity.......
Valleys/lwr slopes...39-49 percent
Ridges/upr slopes....60-70 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 9 to 16 mph.
Ridges/upr slopes....North winds 12 to 19 mph.
* Mixing Height..........2000 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-55
Ridges/upr slopes....53-57
* Max Humidity.......
Valleys/lwr slopes...80-95 percent
Ridges/upr slopes....73-88 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 12 to 19 mph.
Ridges/upr slopes....North winds 13 to 20 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...78-86
Ridges/upr slopes....68-76
* Min Humidity.......
Valleys/lwr slopes...42-52 percent
Ridges/upr slopes....63-73 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 9 to 16 mph.
Ridges/upr slopes....North winds 9 to 16 mph.
* Mixing Height..........2200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ408-291330-
Southeastern Interior Humboldt Including Kneeland and Alderpoint-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...47-51
Ridges/upr slopes....44-50
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....69-84 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 11 mph.
Ridges/upr slopes....North winds 5 to 11 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...70-78
Ridges/upr slopes....63-71
* Min Humidity.......
Valleys/lwr slopes...46-56 percent
Ridges/upr slopes....56-66 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 12 mph.
Ridges/upr slopes....Northwest winds 6 to 13 mph.
* Mixing Height..........2100 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-54
Ridges/upr slopes....47-54
* Max Humidity.......
Valleys/lwr slopes...81-96 percent
Ridges/upr slopes....68-83 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 6 to 13 mph.
Ridges/upr slopes....North winds 6 to 13 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...77-85
Ridges/upr slopes....70-78
* Min Humidity.......
Valleys/lwr slopes...50-60 percent
Ridges/upr slopes....60-70 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........3700 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ409-291330-
Northwestern Trinity Including Salyer and Big Bar-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...47-51
Ridges/upr slopes....47-52
* Max Humidity.......
Valleys/lwr slopes...63-78 percent
Ridges/upr slopes....44-54 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...78-86
Ridges/upr slopes....68-76
* Min Humidity.......
Valleys/lwr slopes...24-32 percent
Ridges/upr slopes....24-31 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........3900 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-53
Ridges/upr slopes....50-56
* Max Humidity.......
Valleys/lwr slopes...66-81 percent
Ridges/upr slopes....43-53 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...86-94
Ridges/upr slopes....74-82
* Min Humidity.......
Valleys/lwr slopes...20-28 percent
Ridges/upr slopes....21-29 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....Northeast winds 5 to 8 mph...shifting to
the west 5 mph in the afternoon.
* Mixing Height..........5900 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ410-291330-
Northeastern Trinity Including Trinity Lake-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-52
Ridges/upr slopes....43-51
* Max Humidity.......
Valleys/lwr slopes...48-58 percent
Ridges/upr slopes....37-47 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...81-89
Ridges/upr slopes....67-75
* Min Humidity.......
Valleys/lwr slopes...18-23 percent
Ridges/upr slopes....24-32 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 mph in the
morning...becoming upslope/upvalley 1 to 3
mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........5500 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-56
Ridges/upr slopes....47-55
* Max Humidity.......
Valleys/lwr slopes...55-65 percent
Ridges/upr slopes....42-52 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...85-93
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...15-22 percent
Ridges/upr slopes....22-30 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 6 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........6000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ411-291330-
Eastern Trinity Including Weaverville and Hayfork-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...44-50
Ridges/upr slopes....47-51
* Max Humidity.......
Valleys/lwr slopes...58-73 percent
Ridges/upr slopes....52-62 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...83-90
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...19-24 percent
Ridges/upr slopes....20-27 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........4600 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...46-54
Ridges/upr slopes....51-55
* Max Humidity.......
Valleys/lwr slopes...58-73 percent
Ridges/upr slopes....50-60 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...89-95
Ridges/upr slopes....77-85
* Min Humidity.......
Valleys/lwr slopes...14-20 percent
Ridges/upr slopes....17-24 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to
the northeast 5 mph in the afternoon.
* Mixing Height..........6200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ412-291330-
Southern Trinity Including Ruth Lake and the Yolla Bollys-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...47-52
Ridges/upr slopes....45-53
* Max Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....57-72 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...79-87
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...28-36 percent
Ridges/upr slopes....24-32 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 9 mph.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........4400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-55
Ridges/upr slopes....48-56
* Max Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....55-65 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...86-93
Ridges/upr slopes....77-85
* Min Humidity.......
Valleys/lwr slopes...24-32 percent
Ridges/upr slopes....20-28 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the
northwest 5 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 6 mph...shifting to the
west 5 mph in the afternoon.
* Mixing Height..........5800 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ413-291330-
Coastal Mendocino-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...47-53
Ridges/upr slopes....47-54
* Max Humidity.......
Valleys/lwr slopes...76-91 percent
Ridges/upr slopes....70-85 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....North winds 5 to 11 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...67-75
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...54-64 percent
Ridges/upr slopes....43-53 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 7 to 14 mph.
Ridges/upr slopes....Northwest winds 7 to 14 mph.
* Mixing Height..........1300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-54
Ridges/upr slopes....49-57
* Max Humidity.......
Valleys/lwr slopes...79-94 percent
Ridges/upr slopes....75-90 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 8 to 15 mph.
Ridges/upr slopes....North winds 8 to 15 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...71-79
Ridges/upr slopes....73-81
* Min Humidity.......
Valleys/lwr slopes...59-69 percent
Ridges/upr slopes....49-59 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........1200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ414-291330-
Northern Interior Mendocino Including Leggett and Willits-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...45-51
Ridges/upr slopes....46-54
* Max Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....61-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 9 mph.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...81-89
Ridges/upr slopes....75-83
* Min Humidity.......
Valleys/lwr slopes...26-34 percent
Ridges/upr slopes....28-36 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 9 mph.
Ridges/upr slopes....North winds 5 to 12 mph.
* Mixing Height..........3000 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...47-54
Ridges/upr slopes....49-57
* Max Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....62-77 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 6 to 13 mph.
Ridges/upr slopes....North winds 6 to 13 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...87-95
Ridges/upr slopes....79-87
* Min Humidity.......
Valleys/lwr slopes...23-31 percent
Ridges/upr slopes....32-40 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the
west 5 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 9 mph...shifting to the
west 5 mph in the afternoon.
* Mixing Height..........4800 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ415-291330-
Northeastern Interior Mendocino Including Covelo-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...47-55
Ridges/upr slopes....51-57
* Max Humidity.......
Valleys/lwr slopes...54-69 percent
Ridges/upr slopes....44-54 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 9 mph.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...84-92
Ridges/upr slopes....74-82
* Min Humidity.......
Valleys/lwr slopes...18-24 percent
Ridges/upr slopes....18-24 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....North winds 5 to 8 mph.
* Mixing Height..........4400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-58
Ridges/upr slopes....54-62
* Max Humidity.......
Valleys/lwr slopes...52-62 percent
Ridges/upr slopes....37-47 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 9 mph.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...89-97
Ridges/upr slopes....78-86
* Min Humidity.......
Valleys/lwr slopes...18-23 percent
Ridges/upr slopes....18-23 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
southwest 5 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 6 mph...shifting to the
southwest 5 mph in the afternoon.
* Mixing Height..........5700 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ416-291330-
Southeastern Interior Mendocino Including Ukiah and Potter Valley-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-56
Ridges/upr slopes....54-62
* Max Humidity.......
Valleys/lwr slopes...57-72 percent
Ridges/upr slopes....49-59 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...83-91
Ridges/upr slopes....79-86
* Min Humidity.......
Valleys/lwr slopes...22-29 percent
Ridges/upr slopes....23-31 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........3300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-60
Ridges/upr slopes....59-67
* Max Humidity.......
Valleys/lwr slopes...54-64 percent
Ridges/upr slopes....43-53 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...89-97
Ridges/upr slopes....83-90
* Min Humidity.......
Valleys/lwr slopes...19-24 percent
Ridges/upr slopes....20-27 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 mph...shifting to the
southwest 5 to 6 mph in the afternoon.
Ridges/upr slopes....North winds 5 mph...shifting to the
southwest 5 to 6 mph in the afternoon.
* Mixing Height..........5600 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ417-291330-
Southwestern Interior Mendocino Including Boonville-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-54
Ridges/upr slopes....48-55
* Max Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....61-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...77-85
Ridges/upr slopes....74-82
* Min Humidity.......
Valleys/lwr slopes...34-42 percent
Ridges/upr slopes....35-45 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Mixing Height..........1700 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-57
Ridges/upr slopes....51-59
* Max Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....60-75 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...83-91
Ridges/upr slopes....80-88
* Min Humidity.......
Valleys/lwr slopes...36-44 percent
Ridges/upr slopes....36-46 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 6 mph...shifting to the
west in the afternoon.
* Mixing Height..........3300 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ418-291330-
Northern Lake Including Gravelly Valley-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-58
Ridges/upr slopes....54-61
* Max Humidity.......
Valleys/lwr slopes...44-54 percent
Ridges/upr slopes....32-42 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 7 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...90-95
Ridges/upr slopes....76-84
* Min Humidity.......
Valleys/lwr slopes...14-20 percent
Ridges/upr slopes....14-21 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the
northwest in the afternoon.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........5200 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...55-63
Ridges/upr slopes....59-67
* Max Humidity.......
Valleys/lwr slopes...42-52 percent
Ridges/upr slopes....27-35 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...93-98
Ridges/upr slopes....79-87
* Min Humidity.......
Valleys/lwr slopes...15-20 percent
Ridges/upr slopes....18-23 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
south 5 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 6 mph...shifting to the
south in the afternoon.
* Mixing Height..........5600 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ419-291330-
Eastern Lake Including Clearlake and Middletown-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-60
Ridges/upr slopes....57-64
* Max Humidity.......
Valleys/lwr slopes...45-55 percent
Ridges/upr slopes....40-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...89-94
Ridges/upr slopes....83-88
* Min Humidity.......
Valleys/lwr slopes...14-19 percent
Ridges/upr slopes....13-20 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 10 mph.
* Mixing Height..........5500 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...57-65
Ridges/upr slopes....63-70
* Max Humidity.......
Valleys/lwr slopes...39-49 percent
Ridges/upr slopes....30-38 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 11 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...92-96
Ridges/upr slopes....85-90
* Min Humidity.......
Valleys/lwr slopes...17-22 percent
Ridges/upr slopes....17-25 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 mph...shifting to the east 5
to 6 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 9 mph.
* Mixing Height..........5700 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ420-291330-
Southern Lake Including Cobb and Konocti-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...54-61
Ridges/upr slopes....60-64
* Max Humidity.......
Valleys/lwr slopes...44-54 percent
Ridges/upr slopes....39-49 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...87-93
Ridges/upr slopes....81-87
* Min Humidity.......
Valleys/lwr slopes...16-22 percent
Ridges/upr slopes....17-23 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........5600 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...58-66
Ridges/upr slopes....66-70
* Max Humidity.......
Valleys/lwr slopes...38-48 percent
Ridges/upr slopes....30-38 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...91-95
Ridges/upr slopes....83-90
* Min Humidity.......
Valleys/lwr slopes...18-23 percent
Ridges/upr slopes....18-25 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 mph...shifting to the south
in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the south in the afternoon.
* Mixing Height..........5700 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ421-291330-
Western Lake Including Lakeport-
251 PM PDT Mon Sep 28 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-57
Ridges/upr slopes....53-61
* Max Humidity.......
Valleys/lwr slopes...51-61 percent
Ridges/upr slopes....44-54 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...85-90
Ridges/upr slopes....81-84
* Min Humidity.......
Valleys/lwr slopes...21-29 percent
Ridges/upr slopes....19-26 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 to 7 mph.
* Mixing Height..........4100 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...55-61
Ridges/upr slopes....58-66
* Max Humidity.......
Valleys/lwr slopes...47-57 percent
Ridges/upr slopes....37-47 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...88-95
Ridges/upr slopes....85-89
* Min Humidity.......
Valleys/lwr slopes...19-27 percent
Ridges/upr slopes....19-24 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....North winds 5 mph...shifting to the
southwest in the afternoon.
* Mixing Height..........5800 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...
...Northwest California Coast...
.THURSDAY...Partly cloudy. Lows in the lower to mid 50s. Highs
66 to 73. North winds 5 mph.
.FRIDAY...Partly cloudy. Patchy fog. Lows 52 to 57. Highs 65 to
72. Winds generally less than 5 mph.
.SATURDAY...Partly cloudy. Lows 53 to 58. Highs 67 to 73. Winds
generally less than 5 mph.
...Northwest California Interior...
.THURSDAY...Clear. Lows 55 to 63. Highs 85 to 95. Northeast winds
5 mph.
.FRIDAY...Mostly clear. Lows 55 to 63. Highs 84 to 94. Winds
generally less than 5 mph.
.SATURDAY...Mostly clear. Lows 56 to 64. Highs 85 to 94. Winds
generally less than 5 mph.
.6 to 10 DAY OUTLOOK...Sunday October 4 THROUGH Thursday October 8, 2026...
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
$$
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