Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
807
FNUS56 KEKA 220712
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE Eureka CA
1212 AM PDT Sat Aug 22 2026
.DISCUSSION...A deep marine layer will continue to bring marine
influence into the interior through the weekend. Interior high
temperatures are forecast to be in the 80s to low 90s. Afternoon RH
is forecast to be in the high teens to low 30s, with good overnight
recoveries. Sunday into early next week, temperatures rise somewhat
to near normal. Offshore flow overnight will bring poor overnight
recoveries for higher elevations and lower afternoon RH across the
area. A deeper marine layer returns mid next week.
CAZ401-230115-
Coastal Del Norte-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Patchy fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...64-69
Ridges/upr slopes....62-69
* Min Humidity.......
Valleys/lwr slopes...69-79 percent
Ridges/upr slopes....70-80 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 mph...shifting to the west 5
to 7 mph in the afternoon.
Ridges/upr slopes....South winds 5 mph...shifting to the west 5
to 6 mph in the afternoon.
* Mixing Height..........2200 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly cloudy. Patchy fog.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-53
Ridges/upr slopes....47-52
* Max Humidity.......
Valleys/lwr slopes...93-100 percent
Ridges/upr slopes....93-100 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 mph.
Ridges/upr slopes....North winds 5 to 7 mph.
* Mixing Height..........700 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming sunny. Patchy fog in the
morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...65-73
Ridges/upr slopes....66-73
* Min Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....64-74 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 6 to 13 mph.
Ridges/upr slopes....Northwest winds 6 to 13 mph.
* Mixing Height..........1700 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear then becoming mostly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...53-56
Ridges/upr slopes....52-55
* Max Humidity.......
Valleys/lwr slopes...84-97 percent
Ridges/upr slopes....83-93 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to
the east after midnight.
Ridges/upr slopes....Southwest winds 5 mph...shifting to the
east 5 to 6 mph after midnight.
* Mixing Height..........500 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ402-230115-
Interior Del Norte Including the Smith River Valley-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Partly cloudy then becoming sunny then
becoming partly cloudy. Patchy fog early
in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...66-74
Ridges/upr slopes....62-70
* Min Humidity.......
Valleys/lwr slopes...63-73 percent
Ridges/upr slopes....64-74 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........2800 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...46-51
Ridges/upr slopes....49-53
* Max Humidity.......
Valleys/lwr slopes...91-100 percent
Ridges/upr slopes....73-88 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to
the northeast after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...77-85
Ridges/upr slopes....72-80
* Min Humidity.......
Valleys/lwr slopes...57-67 percent
Ridges/upr slopes....49-59 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to
the northwest 5 to 7 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 7 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.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-59
Ridges/upr slopes....55-63
* Max Humidity.......
Valleys/lwr slopes...64-79 percent
Ridges/upr slopes....53-63 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 mph...shifting to the east 5
to 7 mph after midnight.
Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to
the northeast 5 to 9 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ403-230115-
Northeastern Interior Humboldt and Southwestern Siskiyou
Including Orleans-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...81-89
Ridges/upr slopes....68-76
* Min Humidity.......
Valleys/lwr slopes...24-32 percent
Ridges/upr slopes....33-41 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 9 mph.
Ridges/upr slopes....Southwest winds 5 to 9 mph.
* Mixing Height..........4700 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...53-57
Ridges/upr slopes....52-56
* Max Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....54-64 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....West 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.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...89-97
Ridges/upr slopes....75-83
* Min Humidity.......
Valleys/lwr slopes...16-24 percent
Ridges/upr slopes....22-30 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 mph...shifting to the
west 5 to 6 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the northwest in the afternoon.
* Mixing Height..........8400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...57-65
Ridges/upr slopes....60-65
* Max Humidity.......
Valleys/lwr slopes...48-58 percent
Ridges/upr slopes....34-44 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph...shifting to the
northeast 5 to 6 mph after midnight.
Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to
the northeast after midnight.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ404-230115-
Northern Coastal Humboldt-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Patchy fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...64-70
Ridges/upr slopes....around 63
* Min Humidity.......
Valleys/lwr slopes...66-81 percent
Ridges/upr slopes....82 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Mixing Height..........2300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-55
Ridges/upr slopes....around 52
* Max Humidity.......
Valleys/lwr slopes...94-100 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..........800 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Cloudy then becoming partly cloudy. Patchy
fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...63-70
Ridges/upr slopes....around 62
* Min Humidity.......
Valleys/lwr slopes...71-86 percent
Ridges/upr slopes....78 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Mixing Height..........1600 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...54-57
Ridges/upr slopes....around 53
* Max Humidity.......
Valleys/lwr slopes...87-97 percent
Ridges/upr slopes....92 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph...shifting to
the southeast 5 to 6 mph after midnight.
Ridges/upr slopes....North winds 5 to 6 mph in the
evening...becoming light winds 2 to 4 mph.
* Mixing Height..........600 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ405-230115-
Northwestern Interior Humboldt Including the Bald Hills-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...67-75
Ridges/upr slopes....64-71
* Min Humidity.......
Valleys/lwr slopes...64-74 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..........2400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-53
Ridges/upr slopes....49-53
* Max Humidity.......
Valleys/lwr slopes...88-100 percent
Ridges/upr slopes....71-86 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph.
Ridges/upr slopes....North winds 5 to 7 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...74-82
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...62-72 percent
Ridges/upr slopes....56-66 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........2400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...53-60
Ridges/upr slopes....55-63
* Max Humidity.......
Valleys/lwr slopes...70-85 percent
Ridges/upr slopes....55-70 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 mph...shifting to the east
after midnight.
Ridges/upr slopes....West winds 5 mph...shifting to the east 5
to 8 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ406-230115-
Eastern Interior Humboldt Including Willow Creek and Hoopa-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...79-87
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...35-45 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..........3700 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-54
Ridges/upr slopes....52-55
* Max Humidity.......
Valleys/lwr slopes...76-91 percent
Ridges/upr slopes....54-69 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...87-95
Ridges/upr slopes....73-81
* Min Humidity.......
Valleys/lwr slopes...25-33 percent
Ridges/upr slopes....29-37 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....Northeast winds 5 to 6 mph...shifting to
the northwest 5 to 7 mph in the afternoon.
* 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...around 60
Ridges/upr slopes....60-64
* Max Humidity.......
Valleys/lwr slopes...51-61 percent
Ridges/upr slopes....37-47 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph...shifting to the
east 5 to 8 mph after midnight.
Ridges/upr slopes....West winds 5 to 7 mph...shifting to the
east 6 to 10 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ407-230115-
Southwestern Humboldt Including the King Range and the Eel River
Valley-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...74-82
Ridges/upr slopes....65-73
* Min Humidity.......
Valleys/lwr slopes...50-60 percent
Ridges/upr slopes....69-84 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 11 mph.
Ridges/upr slopes....North winds 6 to 13 mph.
* Mixing Height..........2800 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-55
Ridges/upr slopes....54-58
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....77-92 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 11 mph.
Ridges/upr slopes....North winds 9 to 16 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...80-88
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...46-56 percent
Ridges/upr slopes....59-69 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 6 to 13 mph.
Ridges/upr slopes....North winds 6 to 13 mph.
* Mixing Height..........2600 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...53-58
Ridges/upr slopes....55-62
* Max Humidity.......
Valleys/lwr slopes...71-86 percent
Ridges/upr slopes....61-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ408-230115-
Southeastern Interior Humboldt Including Kneeland and Alderpoint-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...71-79
Ridges/upr slopes....64-72
* Min Humidity.......
Valleys/lwr slopes...56-66 percent
Ridges/upr slopes....66-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Mixing Height..........3200 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear. Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-54
Ridges/upr slopes....47-54
* Max Humidity.......
Valleys/lwr slopes...86-100 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 10 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...77-85
Ridges/upr slopes....70-78
* Min Humidity.......
Valleys/lwr slopes...54-64 percent
Ridges/upr slopes....64-74 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........4400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...54-59
Ridges/upr slopes....55-63
* Max Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....55-70 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to
the northeast after midnight.
Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to
the east after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ409-230115-
Northwestern Trinity Including Salyer and Big Bar-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...81-89
Ridges/upr slopes....69-77
* Min Humidity.......
Valleys/lwr slopes...25-33 percent
Ridges/upr slopes....23-31 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....West winds 5 to 10 mph.
* Mixing Height..........6100 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-54
Ridges/upr slopes....51-56
* Max Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....46-56 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph...shifting to
the north 5 to 7 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...89-97
Ridges/upr slopes....76-84
* Min Humidity.......
Valleys/lwr slopes...15-23 percent
Ridges/upr slopes....17-25 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....Northeast winds 5 to 6 mph...shifting to
the southwest in the afternoon.
* Mixing Height..........7400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...55-60
Ridges/upr slopes....57-62
* Max Humidity.......
Valleys/lwr slopes...47-57 percent
Ridges/upr slopes....31-41 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph...shifting to
the east 5 to 8 mph after midnight.
Ridges/upr slopes....West winds 5 to 8 mph...shifting to the
northeast 5 to 9 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ410-230115-
Northeastern Trinity Including Trinity Lake-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...83-91
Ridges/upr slopes....70-78
* Min Humidity.......
Valleys/lwr slopes...13-19 percent
Ridges/upr slopes....17-24 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph.
Ridges/upr slopes....Southwest winds 5 to 9 mph.
* Mixing Height..........8000 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...54-58
Ridges/upr slopes....48-56
* Max Humidity.......
Valleys/lwr slopes...54-64 percent
Ridges/upr slopes....40-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph.
Ridges/upr slopes....West winds 5 to 8 mph...shifting to the
north 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...86-94
Ridges/upr slopes....73-81
* Min Humidity.......
Valleys/lwr slopes...11-16 percent
Ridges/upr slopes....15-23 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph...becoming
south 5 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 mph...shifting to the
southeast 5 to 6 mph in the afternoon.
* Mixing Height..........8500 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...57-62
Ridges/upr slopes....52-60
* Max Humidity.......
Valleys/lwr slopes...40-48 percent
Ridges/upr slopes....27-35 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southeast winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....Southeast winds 5 to 6 mph...shifting to
the northeast after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ411-230115-
Eastern Trinity Including Weaverville and Hayfork-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...85-91
Ridges/upr slopes....74-82
* Min Humidity.......
Valleys/lwr slopes...14-20 percent
Ridges/upr slopes....18-24 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 11 mph.
Ridges/upr slopes....West winds 5 to 11 mph.
* Mixing Height..........7300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-56
Ridges/upr slopes....51-56
* Max Humidity.......
Valleys/lwr slopes...58-73 percent
Ridges/upr slopes....52-62 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 11 mph.
Ridges/upr slopes....West winds 5 to 11 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...90-96
Ridges/upr slopes....79-87
* Min Humidity.......
Valleys/lwr slopes...11-16 percent
Ridges/upr slopes....14-21 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....North winds 5 mph...shifting to the east 5
to 6 mph in the afternoon.
* Mixing Height..........8800 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...53-60
Ridges/upr slopes....around 60
* Max Humidity.......
Valleys/lwr slopes...45-55 percent
Ridges/upr slopes....34-44 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 mph in the
evening...becoming downslope/downvalley 1
to 3 mph.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
north 5 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ412-230115-
Southern Trinity Including Ruth Lake and the Yolla Bollys-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...79-87
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...27-35 percent
Ridges/upr slopes....27-35 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 9 mph.
Ridges/upr slopes....West winds 5 to 9 mph.
* Mixing Height..........5800 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-54
Ridges/upr slopes....48-56
* Max Humidity.......
Valleys/lwr slopes...72-87 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 8 mph...shifting to
the north 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...86-94
Ridges/upr slopes....77-85
* Min Humidity.......
Valleys/lwr slopes...21-29 percent
Ridges/upr slopes....19-27 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming
west 5 to 8 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the west in the afternoon.
* Mixing Height..........7500 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...53-61
Ridges/upr slopes....52-60
* Max Humidity.......
Valleys/lwr slopes...54-69 percent
Ridges/upr slopes....53-63 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 6 mph...shifting to the
northeast 5 mph after midnight.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
northeast after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ413-230115-
Coastal Mendocino-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* 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...64-72
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...68-83 percent
Ridges/upr slopes....56-71 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 11 mph.
Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........1400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Patchy fog in the late evening and
overnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-52
Ridges/upr slopes....49-55
* Max Humidity.......
Valleys/lwr slopes...88-100 percent
Ridges/upr slopes....82-97 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 11 mph.
Ridges/upr slopes....Northwest winds 5 to 11 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming sunny. Patchy fog in the
morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...67-75
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...63-78 percent
Ridges/upr slopes....57-67 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.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Patchy fog early in the morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-53
Ridges/upr slopes....49-56
* Max Humidity.......
Valleys/lwr slopes...90-100 percent
Ridges/upr slopes....81-96 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 7 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ414-230115-
Northern Interior Mendocino Including Leggett and Willits-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Sunny. Patchy fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...79-87
Ridges/upr slopes....73-81
* Min Humidity.......
Valleys/lwr slopes...35-45 percent
Ridges/upr slopes....41-51 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........3700 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-55
Ridges/upr slopes....50-58
* Max Humidity.......
Valleys/lwr slopes...76-91 percent
Ridges/upr slopes....68-83 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest 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.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...86-94
Ridges/upr slopes....79-87
* Min Humidity.......
Valleys/lwr slopes...27-35 percent
Ridges/upr slopes....33-41 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the
west 5 to 7 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 8 mph...shifting to the
west 5 to 6 mph in the afternoon.
* Mixing Height..........5700 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-59
Ridges/upr slopes....54-62
* Max Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....55-70 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 6 mph...shifting to the
northeast 5 mph after midnight.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
northeast after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ415-230115-
Northeastern Interior Mendocino Including Covelo-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...83-91
Ridges/upr slopes....72-80
* Min Humidity.......
Valleys/lwr slopes...21-26 percent
Ridges/upr slopes....20-28 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Mixing Height..........6100 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-58
Ridges/upr slopes....54-59
* Max Humidity.......
Valleys/lwr slopes...61-76 percent
Ridges/upr slopes....50-60 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph...shifting to
the northeast after midnight.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...88-96
Ridges/upr slopes....77-85
* Min Humidity.......
Valleys/lwr slopes...18-23 percent
Ridges/upr slopes....18-25 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
southwest 5 to 6 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the southwest 5 to 7 mph in the afternoon.
* Mixing Height..........7700 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...55-63
Ridges/upr slopes....58-64
* Max Humidity.......
Valleys/lwr slopes...53-68 percent
Ridges/upr slopes....40-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 6 mph...shifting to the
northeast 5 mph after midnight.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
northeast after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ416-230115-
Southeastern Interior Mendocino Including Ukiah and Potter Valley-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...80-88
Ridges/upr slopes....76-82
* Min Humidity.......
Valleys/lwr slopes...31-39 percent
Ridges/upr slopes....34-42 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 12 mph.
Ridges/upr slopes....Northwest winds 6 to 13 mph.
* Mixing Height..........4100 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-58
Ridges/upr slopes....56-63
* Max Humidity.......
Valleys/lwr slopes...70-85 percent
Ridges/upr slopes....56-71 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 12 mph.
Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...87-95
Ridges/upr slopes....81-89
* Min Humidity.......
Valleys/lwr slopes...20-28 percent
Ridges/upr slopes....25-33 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 mph...shifting to the
southwest 5 to 7 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the southwest 5 to 8 mph in the afternoon.
* Mixing Height..........7200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...55-63
Ridges/upr slopes....60-67
* Max Humidity.......
Valleys/lwr slopes...58-73 percent
Ridges/upr slopes....46-56 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph...shifting to the
northeast 5 mph after midnight.
Ridges/upr slopes....West winds 5 to 7 mph...shifting to the
northeast 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ417-230115-
Southwestern Interior Mendocino Including Boonville-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...74-82
Ridges/upr slopes....72-80
* Min Humidity.......
Valleys/lwr slopes...49-59 percent
Ridges/upr slopes....50-60 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....Northwest winds 5 to 11 mph.
* Mixing Height..........2000 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-56
Ridges/upr slopes....51-57
* Max Humidity.......
Valleys/lwr slopes...79-94 percent
Ridges/upr slopes....73-88 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...81-89
Ridges/upr slopes....78-86
* Min Humidity.......
Valleys/lwr slopes...40-50 percent
Ridges/upr slopes....40-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........3900 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-59
Ridges/upr slopes....54-62
* Max Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....61-76 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....West winds 5 to 6 mph...shifting to the
north 5 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ418-230115-
Northern Lake Including Gravelly Valley-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...88-93
Ridges/upr slopes....75-83
* Min Humidity.......
Valleys/lwr slopes...15-23 percent
Ridges/upr slopes....17-23 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 9 mph.
Ridges/upr slopes....West winds 5 to 9 mph.
* Mixing Height..........6200 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...53-61
Ridges/upr slopes....56-63
* Max Humidity.......
Valleys/lwr slopes...54-64 percent
Ridges/upr slopes....44-54 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 9 mph...shifting to the
northeast 5 to 6 mph after midnight.
Ridges/upr slopes....Northwest winds 5 to 9 mph...shifting to
the northeast 5 to 7 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming mostly cloudy
then becoming partly cloudy then becoming
sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...93-98
Ridges/upr slopes....79-87
* Min Humidity.......
Valleys/lwr slopes...14-20 percent
Ridges/upr slopes....18-26 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 to 7 mph...shifting to the
southwest 5 to 6 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 8 mph...shifting to
the south 5 to 6 mph in the afternoon.
* Mixing Height..........7300 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...55-63
Ridges/upr slopes....59-67
* Max Humidity.......
Valleys/lwr slopes...49-59 percent
Ridges/upr slopes....35-45 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 6 mph...shifting to
the north after midnight.
Ridges/upr slopes....Southwest winds 5 to 6 mph...shifting to
the northwest after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ419-230115-
Eastern Lake Including Clearlake and Middletown-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...88-93
Ridges/upr slopes....83-88
* Min Humidity.......
Valleys/lwr slopes...15-21 percent
Ridges/upr slopes....16-21 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 11 mph.
Ridges/upr slopes....West winds 5 to 11 mph.
* Mixing Height..........6600 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...53-61
Ridges/upr slopes....57-65
* Max Humidity.......
Valleys/lwr slopes...59-74 percent
Ridges/upr slopes....52-62 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 11 mph.
Ridges/upr slopes....Northwest winds 5 to 11 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...91-95
Ridges/upr slopes....85-89
* Min Humidity.......
Valleys/lwr slopes...15-23 percent
Ridges/upr slopes....16-23 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the
southeast 5 to 7 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 9 mph...shifting to
the southeast 5 to 7 mph in the afternoon.
* Mixing Height..........7500 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...55-63
Ridges/upr slopes....59-67
* Max Humidity.......
Valleys/lwr slopes...58-73 percent
Ridges/upr slopes....47-57 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 6 mph...shifting to
the northwest 5 mph after midnight.
Ridges/upr slopes....Southwest winds 5 to 7 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ420-230115-
Southern Lake Including Cobb and Konocti-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...84-92
Ridges/upr slopes....79-86
* Min Humidity.......
Valleys/lwr slopes...19-25 percent
Ridges/upr slopes....20-28 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 9 mph.
Ridges/upr slopes....West winds 5 to 9 mph.
* Mixing Height..........5400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...54-61
Ridges/upr slopes....61-65
* Max Humidity.......
Valleys/lwr slopes...56-65 percent
Ridges/upr slopes....50-60 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 9 mph.
Ridges/upr slopes....West winds 5 to 9 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...90-93
Ridges/upr slopes....81-88
* Min Humidity.......
Valleys/lwr slopes...22-30 percent
Ridges/upr slopes....24-32 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to
the south 5 to 7 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the south in the afternoon.
* Mixing Height..........6500 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...56-64
Ridges/upr slopes....63-68
* Max Humidity.......
Valleys/lwr slopes...51-61 percent
Ridges/upr slopes....43-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 7 mph...shifting to
the northwest 5 mph after midnight.
Ridges/upr slopes....Southwest winds 5 to 8 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ421-230115-
Western Lake Including Lakeport-
1212 AM PDT Sat Aug 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...82-88
Ridges/upr slopes....77-81
* Min Humidity.......
Valleys/lwr slopes...21-29 percent
Ridges/upr slopes....26-31 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 11 mph.
Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........5700 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-58
Ridges/upr slopes....55-63
* Max Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....53-68 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 11 mph.
Ridges/upr slopes....Northwest winds 5 to 11 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...88-94
Ridges/upr slopes....83-88
* Min Humidity.......
Valleys/lwr slopes...20-28 percent
Ridges/upr slopes....20-26 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
south 5 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming south 5 to
6 mph in the afternoon.
* Mixing Height..........7500 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear then becoming mostly cloudy
then becoming partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...56-63
Ridges/upr slopes....61-69
* Max Humidity.......
Valleys/lwr slopes...55-70 percent
Ridges/upr slopes....40-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 6 mph...shifting to the
north 5 mph after midnight.
Ridges/upr slopes....West winds 5 to 7 mph...shifting to the
northeast 5 to 6 mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...
...Northwest California Coast...
.MONDAY...Mostly cloudy. Patchy fog. Lows in the lower to mid
50s. Highs 63 to 70. Winds generally less than 5 mph.
.TUESDAY...Mostly cloudy. Patchy fog in the morning. Patchy fog.
Lows in the lower 50s. Highs 60 to 66. Winds generally less than
5 mph.
.WEDNESDAY...Mostly cloudy. Patchy fog in the morning. Patchy fog
after midnight. Lows in the lower to mid 50s. Highs 61 to 67.
North winds 5 mph.
...Northwest California Interior...
.MONDAY...Mostly clear. Lows 53 to 61. Highs 83 to 94. Southwest
winds 5 mph.
.TUESDAY...Partly cloudy. Lows 52 to 60. Highs 80 to 91. West
winds 5 mph.
.WEDNESDAY...Mostly clear. Lows 53 to 61. Highs 81 to 92.
Northwest winds 5 mph.
.6 to 10 DAY OUTLOOK...Thursday August 27 THROUGH Monday August 31, 2026...
FOR NW CALIF...NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
$$
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