Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
090
FNUS56 KEKA 052008
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE Eureka CA
108 PM PDT Sat Sep 5 2026
.DISCUSSION...Mostly cloudy conditions expected through today
with higher daytime minimum RH ranges due to cooler temperatures
and a deep marine layer. Expect high RH recoveries, northwest
winds, and an unstable atmosphere through the weekend with
additional chances for light rain showers and interior
thunderstorms for NE Del Norte and Trinity counties on Sunday.
Cooler temperatures continue Sunday before a return to near-normal
early next week.
CAZ401-061315-
Coastal Del Norte-
108 PM PDT Sat Sep 5 2026
.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....46-51
* Max Humidity.......
Valleys/lwr slopes...93-100 percent
Ridges/upr slopes....92-100 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph in the
evening...becoming light winds 2 to 5 mph.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
southeast after midnight.
* Mixing Height..........700 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Patchy fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...60-64
Ridges/upr slopes....59-63
* Min Humidity.......
Valleys/lwr slopes...76-86 percent
Ridges/upr slopes....75-86 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
west 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..........2000 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy
then becoming partly cloudy. Patchy fog in
the late evening and overnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 50
Ridges/upr slopes....46-50
* Max Humidity.......
Valleys/lwr slopes...92-100 percent
Ridges/upr slopes....91-100 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....Northwest winds 5 to 7 mph...shifting to
the northeast 5 mph after midnight.
* Mixing Height..........600 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...65-70
Ridges/upr slopes....64-70
* Min Humidity.......
Valleys/lwr slopes...65-75 percent
Ridges/upr slopes....67-77 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming
northwest 5 to 9 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 mph...shifting to the
northwest 5 to 6 mph in the afternoon.
* Mixing Height..........2500 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ402-061315-
Interior Del Norte Including the Smith River Valley-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy
then becoming partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...46-49
Ridges/upr slopes....43-49
* Max Humidity.......
Valleys/lwr slopes...86-100 percent
Ridges/upr slopes....74-89 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....Northwest winds 5 to 7 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog early in the morning. Slight chance of
showers in the afternoon.
* Chance Lightning.......10%.
* Max Temperature.......
Valleys/lwr slopes...61-68
Ridges/upr slopes....54-62
* Min Humidity.......
Valleys/lwr slopes...72-87 percent
Ridges/upr slopes....70-85 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
west 5 to 6 mph in the afternoon.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........3500 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...45-49
Ridges/upr slopes....43-49
* Max Humidity.......
Valleys/lwr slopes...86-100 percent
Ridges/upr slopes....72-87 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 mph...shifting to the
northeast after midnight.
Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to
the northeast 5 to 7 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...70-78
Ridges/upr slopes....63-71
* Min Humidity.......
Valleys/lwr slopes...60-70 percent
Ridges/upr slopes....56-66 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to
the northwest in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 7 mph...shifting to
the north 5 to 6 mph in the afternoon.
* Mixing Height..........4400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ403-061315-
Northeastern Interior Humboldt and Southwestern Siskiyou
Including Orleans-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-52
Ridges/upr slopes....43-48
* Max Humidity.......
Valleys/lwr slopes...75-90 percent
Ridges/upr slopes....66-77 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 6 mph...shifting to
the south 5 mph after midnight.
Ridges/upr slopes....West 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.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......10%.
* Max Temperature.......
Valleys/lwr slopes...66-74
Ridges/upr slopes....55-63
* Min Humidity.......
Valleys/lwr slopes...39-48 percent
Ridges/upr slopes....52-62 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
west 5 to 6 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 7
mph in the afternoon.
* Mixing Height..........5400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 50
Ridges/upr slopes....42-47
* Max Humidity.......
Valleys/lwr slopes...75-90 percent
Ridges/upr slopes....65-75 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 mph...shifting to the
northeast after midnight.
Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to
the northeast after midnight.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...77-85
Ridges/upr slopes....64-72
* Min Humidity.......
Valleys/lwr slopes...25-33 percent
Ridges/upr slopes....33-43 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast 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..........5500 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ404-061315-
Northern Coastal Humboldt-
108 PM PDT Sat Sep 5 2026
.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....around 50
* Max Humidity.......
Valleys/lwr slopes...92-100 percent
Ridges/upr slopes....94 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph in the
evening...becoming light winds 2 to 5 mph.
Ridges/upr slopes....North winds 5 to 6 mph in the
evening...becoming light winds 2 to 5 mph.
* Mixing Height..........800 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Patchy fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...61-65
Ridges/upr slopes....around 59
* Min Humidity.......
Valleys/lwr slopes...71-86 percent
Ridges/upr slopes....82 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........2200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly cloudy. Patchy fog in the late
evening and overnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-53
Ridges/upr slopes....around 51
* Max Humidity.......
Valleys/lwr slopes...91-100 percent
Ridges/upr slopes....94 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph in the
evening...becoming light winds 2 to 5 mph.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........800 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* 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...65-69
Ridges/upr slopes....around 63
* Min Humidity.......
Valleys/lwr slopes...64-78 percent
Ridges/upr slopes....72 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 mph...shifting to the
northwest 5 to 8 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........2000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ405-061315-
Northwestern Interior Humboldt Including the Bald Hills-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Partly cloudy. Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...45-51
Ridges/upr slopes....44-51
* Max Humidity.......
Valleys/lwr slopes...84-99 percent
Ridges/upr slopes....78-93 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.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...60-68
Ridges/upr slopes....55-63
* Min Humidity.......
Valleys/lwr slopes...71-86 percent
Ridges/upr slopes....69-84 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....Northwest winds 5 to 8 mph.
* Mixing Height..........2400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...45-50
Ridges/upr slopes....45-50
* Max Humidity.......
Valleys/lwr slopes...84-99 percent
Ridges/upr slopes....75-90 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to
the east 5 mph after midnight.
Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to
the east 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...69-77
Ridges/upr slopes....65-73
* Min Humidity.......
Valleys/lwr slopes...60-70 percent
Ridges/upr slopes....57-67 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 to 6 mph...shifting to the
northwest in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the northwest in the afternoon.
* Mixing Height..........3100 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ406-061315-
Eastern Interior Humboldt Including Willow Creek and Hoopa-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...47-51
Ridges/upr slopes....43-46
* Max Humidity.......
Valleys/lwr slopes...77-92 percent
Ridges/upr slopes....64-79 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...66-74
Ridges/upr slopes....53-61
* Min Humidity.......
Valleys/lwr slopes...48-58 percent
Ridges/upr slopes....58-68 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....Northwest winds 5 to 8 mph.
* Mixing Height..........4100 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 50
Ridges/upr slopes....43-47
* Max Humidity.......
Valleys/lwr slopes...77-88 percent
Ridges/upr slopes....62-77 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...shifting to
the northeast 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...76-84
Ridges/upr slopes....62-70
* Min Humidity.......
Valleys/lwr slopes...32-42 percent
Ridges/upr slopes....39-49 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 mph...shifting to the
northwest in the afternoon.
Ridges/upr slopes....East winds 5 to 7 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
* Mixing Height..........5000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ407-061315-
Southwestern Humboldt Including the King Range and the Eel River
Valley-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...47-51
Ridges/upr slopes....45-51
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....79-94 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....North winds 5 to 12 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...65-73
Ridges/upr slopes....56-64
* Min Humidity.......
Valleys/lwr slopes...55-65 percent
Ridges/upr slopes....69-84 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....North winds 5 to 10 mph.
* Mixing Height..........3300 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...47-51
Ridges/upr slopes....46-52
* Max Humidity.......
Valleys/lwr slopes...84-98 percent
Ridges/upr slopes....76-91 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 11 mph.
Ridges/upr slopes....North winds 5 to 11 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...74-82
Ridges/upr slopes....65-73
* Min Humidity.......
Valleys/lwr slopes...46-56 percent
Ridges/upr slopes....61-71 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 6 mph...shifting to
the northwest in the afternoon.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........4600 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ408-061315-
Southeastern Interior Humboldt Including Kneeland and Alderpoint-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Mostly clear. Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...46-51
Ridges/upr slopes....42-48
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....75-90 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...63-71
Ridges/upr slopes....55-61
* Min Humidity.......
Valleys/lwr slopes...66-76 percent
Ridges/upr slopes....68-83 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........3600 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...45-50
Ridges/upr slopes....42-48
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....75-90 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph...shifting to
the northeast 5 mph after midnight.
Ridges/upr slopes....Northwest winds 5 to 8 mph...shifting to
the northeast 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...71-79
Ridges/upr slopes....64-70
* Min Humidity.......
Valleys/lwr slopes...54-64 percent
Ridges/upr slopes....62-72 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 mph...shifting to the
northwest 5 to 6 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the northwest in the afternoon.
* Mixing Height..........4900 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ409-061315-
Northwestern Trinity Including Salyer and Big Bar-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...46-50
Ridges/upr slopes....42-48
* Max Humidity.......
Valleys/lwr slopes...73-88 percent
Ridges/upr slopes....65-75 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....West 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...67-74
Ridges/upr slopes....53-61
* Min Humidity.......
Valleys/lwr slopes...39-49 percent
Ridges/upr slopes....45-55 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....West winds 5 to 8 mph.
* Mixing Height..........5400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...45-49
Ridges/upr slopes....41-47
* Max Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....62-73 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 8 mph...shifting to
the northeast 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...76-84
Ridges/upr slopes....62-70
* Min Humidity.......
Valleys/lwr slopes...25-33 percent
Ridges/upr slopes....30-38 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....Northeast winds 5 to 6 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
* Mixing Height..........5800 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ410-061315-
Northeastern Trinity Including Trinity Lake-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Partly cloudy. Slight chance of showers in
the evening.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-52
Ridges/upr slopes....40-48
* Max Humidity.......
Valleys/lwr slopes...66-76 percent
Ridges/upr slopes....65-80 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 7 mph.
Ridges/upr slopes....South winds 5 to 7 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy. Chance of showers and
slight chance of thunderstorms in the late
morning and afternoon.
* Chance Lightning.......10%.
* Max Temperature.......
Valleys/lwr slopes...64-72
Ridges/upr slopes....51-59
* Min Humidity.......
Valleys/lwr slopes...34-44 percent
Ridges/upr slopes....55-65 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
south 5 to 6 mph in the afternoon.
Ridges/upr slopes....Southwest winds 5 to 7 mph.
* Mixing Height..........6900 ft AGL.
* Chc of Wetting Rain....10 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear. Slight chance of showers.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...45-50
Ridges/upr slopes....38-46
* Max Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....66-81 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.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...72-80
Ridges/upr slopes....59-67
* Min Humidity.......
Valleys/lwr slopes...22-30 percent
Ridges/upr slopes....33-41 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 6 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
* Mixing Height..........6200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ411-061315-
Eastern Trinity Including Weaverville and Hayfork-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...42-50
Ridges/upr slopes....44-48
* Max Humidity.......
Valleys/lwr slopes...71-86 percent
Ridges/upr slopes....65-78 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 7 mph.
Ridges/upr slopes....West winds 5 to 7 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...68-73
Ridges/upr slopes....58-65
* Min Humidity.......
Valleys/lwr slopes...31-39 percent
Ridges/upr slopes....36-46 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
west 5 to 6 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 7
mph in the afternoon.
* Mixing Height..........6800 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...41-49
Ridges/upr slopes....44-47
* Max Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....63-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...75-82
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...18-25 percent
Ridges/upr slopes....23-31 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....Northeast winds 5 mph.
* Mixing Height..........6200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ412-061315-
Southern Trinity Including Ruth Lake and the Yolla Bollys-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...44-49
Ridges/upr slopes....42-47
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....76-91 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
Ridges/upr slopes....West winds 5 to 8 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny. Patchy fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...66-74
Ridges/upr slopes....57-65
* Min Humidity.......
Valleys/lwr slopes...42-52 percent
Ridges/upr slopes....43-53 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
west 5 to 6 mph in the afternoon.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........5700 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...43-48
Ridges/upr slopes....41-47
* Max Humidity.......
Valleys/lwr slopes...78-93 percent
Ridges/upr slopes....73-88 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph...shifting to
the northeast 5 mph after midnight.
Ridges/upr slopes....Northwest winds 5 to 8 mph...shifting to
the northeast 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...76-84
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...31-39 percent
Ridges/upr slopes....30-38 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 mph...shifting to the
northwest in the afternoon.
Ridges/upr slopes....Northeast winds 5 mph...shifting to the
northwest in the afternoon.
* Mixing Height..........6000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ413-061315-
Coastal Mendocino-
108 PM PDT Sat Sep 5 2026
.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...47-51
Ridges/upr slopes....44-52
* Max Humidity.......
Valleys/lwr slopes...89-100 percent
Ridges/upr slopes....84-99 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph...shifting to
the northeast 5 to 6 mph after midnight.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........300 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...61-69
Ridges/upr slopes....62-68
* Min Humidity.......
Valleys/lwr slopes...66-81 percent
Ridges/upr slopes....60-75 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 11 mph.
Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........1700 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...47-51
Ridges/upr slopes....45-52
* Max Humidity.......
Valleys/lwr slopes...84-98 percent
Ridges/upr slopes....80-95 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 11 mph.
Ridges/upr slopes....North winds 5 to 11 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...69-77
Ridges/upr slopes....68-76
* Min Humidity.......
Valleys/lwr slopes...58-68 percent
Ridges/upr slopes....56-66 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 mph...shifting to the
northwest 5 to 6 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the west in the afternoon.
* Mixing Height..........2300 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ414-061315-
Northern Interior Mendocino Including Leggett and Willits-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...42-50
Ridges/upr slopes....44-49
* Max Humidity.......
Valleys/lwr slopes...83-98 percent
Ridges/upr slopes....74-89 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to
the north after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny. Patchy fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...67-75
Ridges/upr slopes....61-69
* Min Humidity.......
Valleys/lwr slopes...49-59 percent
Ridges/upr slopes....52-62 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........4100 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...42-49
Ridges/upr slopes....44-50
* Max Humidity.......
Valleys/lwr slopes...78-93 percent
Ridges/upr slopes....70-85 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph...shifting to
the north 5 mph after midnight.
Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to
the north 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...78-85
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...30-38 percent
Ridges/upr slopes....36-46 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 west in the afternoon.
* Mixing Height..........5600 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ415-061315-
Northeastern Interior Mendocino Including Covelo-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...43-50
Ridges/upr slopes....45-49
* Max Humidity.......
Valleys/lwr slopes...77-92 percent
Ridges/upr slopes....61-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
Ridges/upr slopes....Northwest 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...69-77
Ridges/upr slopes....59-67
* Min Humidity.......
Valleys/lwr slopes...34-41 percent
Ridges/upr slopes....37-47 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
west 5 to 6 mph in the afternoon.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........5800 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...43-50
Ridges/upr slopes....45-50
* Max Humidity.......
Valleys/lwr slopes...73-88 percent
Ridges/upr slopes....58-73 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph...shifting to
the northeast 5 mph after midnight.
Ridges/upr slopes....Northwest winds 5 to 8 mph...shifting to
the northeast 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...78-86
Ridges/upr slopes....67-75
* Min Humidity.......
Valleys/lwr slopes...23-29 percent
Ridges/upr slopes....26-34 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph.
Ridges/upr slopes....Northeast winds 5 to 6 mph in the
morning...becoming upslope/upvalley 2 to 4
mph.
* Mixing Height..........6700 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ416-061315-
Southeastern Interior Mendocino Including Ukiah and Potter Valley-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...45-52
Ridges/upr slopes....49-52
* Max Humidity.......
Valleys/lwr slopes...72-87 percent
Ridges/upr slopes....61-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...70-78
Ridges/upr slopes....65-71
* Min Humidity.......
Valleys/lwr slopes...40-50 percent
Ridges/upr slopes....42-52 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....West winds 5 to 9 mph.
* Mixing Height..........4800 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...46-53
Ridges/upr slopes....50-54
* Max Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....61-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...80-88
Ridges/upr slopes....74-81
* Min Humidity.......
Valleys/lwr slopes...23-31 percent
Ridges/upr slopes....26-34 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 mph...shifting to the
southwest in the afternoon.
Ridges/upr slopes....Northeast winds 5 mph...shifting to the
south in the afternoon.
* Mixing Height..........7100 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ417-061315-
Southwestern Interior Mendocino Including Boonville-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Mostly clear. Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...47-51
Ridges/upr slopes....47-52
* Max Humidity.......
Valleys/lwr slopes...79-94 percent
Ridges/upr slopes....72-87 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny. Patchy fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...66-74
Ridges/upr slopes....64-72
* Min Humidity.......
Valleys/lwr slopes...56-66 percent
Ridges/upr slopes....57-67 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Mixing Height..........2700 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...47-52
Ridges/upr slopes....48-52
* 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 10 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...77-85
Ridges/upr slopes....75-82
* Min Humidity.......
Valleys/lwr slopes...33-43 percent
Ridges/upr slopes....36-46 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 mph...shifting to the
west 5 to 6 mph in the afternoon.
* Mixing Height..........5300 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ418-061315-
Northern Lake Including Gravelly Valley-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...44-52
Ridges/upr slopes....45-52
* Max Humidity.......
Valleys/lwr slopes...66-81 percent
Ridges/upr slopes....55-70 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...75-80
Ridges/upr slopes....62-70
* Min Humidity.......
Valleys/lwr slopes...29-37 percent
Ridges/upr slopes....33-43 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
west 5 to 7 mph in the afternoon.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........6000 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...45-53
Ridges/upr slopes....46-54
* Max Humidity.......
Valleys/lwr slopes...59-74 percent
Ridges/upr slopes....49-59 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph...shifting to the
north 5 to 6 mph after midnight.
Ridges/upr slopes....West winds 5 to 9 mph...shifting to the
north 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...83-88
Ridges/upr slopes....69-77
* Min Humidity.......
Valleys/lwr slopes...19-26 percent
Ridges/upr slopes....26-34 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 mph...shifting to the
southeast 5 to 6 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the east 5 mph in the afternoon.
* Mixing Height..........6600 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ419-061315-
Eastern Lake Including Clearlake and Middletown-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...47-55
Ridges/upr slopes....48-53
* Max Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....62-75 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 9 mph.
Ridges/upr slopes....West winds 5 to 9 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...76-81
Ridges/upr slopes....70-75
* Min Humidity.......
Valleys/lwr slopes...25-32 percent
Ridges/upr slopes....28-36 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........6800 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-57
Ridges/upr slopes....52-57
* Max Humidity.......
Valleys/lwr slopes...56-70 percent
Ridges/upr slopes....55-70 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...82-87
Ridges/upr slopes....76-81
* Min Humidity.......
Valleys/lwr slopes...17-24 percent
Ridges/upr slopes....18-26 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 8 mph.
Ridges/upr slopes....Northeast winds 5 to 8 mph.
* Mixing Height..........7000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ420-061315-
Southern Lake Including Cobb and Konocti-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...47-54
Ridges/upr slopes....51-54
* Max Humidity.......
Valleys/lwr slopes...56-70 percent
Ridges/upr slopes....53-63 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 10 mph.
Ridges/upr slopes....West winds 5 to 10 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...73-79
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...30-38 percent
Ridges/upr slopes....32-42 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........5500 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-56
Ridges/upr slopes....53-56
* Max Humidity.......
Valleys/lwr slopes...59-71 percent
Ridges/upr slopes....56-71 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...82-86
Ridges/upr slopes....74-81
* Min Humidity.......
Valleys/lwr slopes...21-29 percent
Ridges/upr slopes....24-32 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northeast winds 5 to 7 mph.
Ridges/upr slopes....East winds 5 to 7 mph.
* Mixing Height..........6500 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ421-061315-
Western Lake Including Lakeport-
108 PM PDT Sat Sep 5 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...47-53
Ridges/upr slopes....49-52
* Max Humidity.......
Valleys/lwr slopes...68-83 percent
Ridges/upr slopes....57-72 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...72-76
Ridges/upr slopes....around 70
* Min Humidity.......
Valleys/lwr slopes...36-46 percent
Ridges/upr slopes....36-43 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....West winds 5 to 9 mph.
* Mixing Height..........5900 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-54
Ridges/upr slopes....51-54
* Max Humidity.......
Valleys/lwr slopes...64-79 percent
Ridges/upr slopes....60-71 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.
.LABOR DAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...80-86
Ridges/upr slopes....76-80
* Min Humidity.......
Valleys/lwr slopes...22-30 percent
Ridges/upr slopes....22-28 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..........7200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...
...Northwest California Coast...
.TUESDAY...Partly cloudy. Lows in the lower to mid 50s. Highs
68 to 74. North winds 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid to upper 50s. Highs
72 to 81. Winds generally less than 5 mph.
.THURSDAY...Partly cloudy with slight chance of rain. Lows near
60. Highs 71 to 80. Winds generally less than 5 mph.
...Northwest California Interior...
.TUESDAY...Mostly clear. Lows 52 to 60. Highs 80 to 90. Northeast
winds 5 mph.
.WEDNESDAY...Partly cloudy. Lows 56 to 64. Highs 85 to 95. Winds
generally less than 5 mph.
.THURSDAY...Partly cloudy with slight chance of rain. Lows 59 to
67. Highs 85 to 97. Winds generally less than 5 mph.
.6 to 10 DAY OUTLOOK...Friday September 11 THROUGH Tuesday September 15, 2026...
FOR NW CALIF...BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
$$
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