Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
689
FNUS56 KEKA 220718
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE Eureka CA
1218 AM PDT Wed Jul 22 2026
.DISCUSSION...The upper level low related to the departing
tropical system moves closer to the area Wednesday, The associated
moisture quickly exited north of the area late Tuesday, ending
the risk for interior thunderstorms. Locally stronger westerly
winds are also possible late in the week.
CAZ401-230115-
Coastal Del Norte-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...64-69
Ridges/upr slopes....64-70
* Min Humidity.......
Valleys/lwr slopes...77-91 percent
Ridges/upr slopes....77-87 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 7 mph.
Ridges/upr slopes....Southwest winds 5 to 8 mph.
* Mixing Height..........2100 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly cloudy. Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-55
Ridges/upr slopes....52-55
* Max Humidity.......
Valleys/lwr slopes...94-100 percent
Ridges/upr slopes....93-100 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 7 mph.
Ridges/upr slopes....South winds 5 to 7 mph.
* Mixing Height..........800 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...61-66
Ridges/upr slopes....62-67
* Min Humidity.......
Valleys/lwr slopes...75-87 percent
Ridges/upr slopes....75-86 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 7 mph.
Ridges/upr slopes....Variable 2 to 4 mph...becoming southwest 5
to 6 mph in the afternoon.
* Mixing Height..........1700 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* 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...94-100 percent
Ridges/upr slopes....92-100 percent
* 20-Foot Winds...
Valleys/lwr slopes...Downslope/downvalley 1 to 3 mph.
Ridges/upr slopes....West winds 5 mph in the evening...becoming
downslope/downvalley 2 to 4 mph.
* Mixing Height..........800 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ402-230115-
Interior Del Norte Including the Smith River Valley-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Sunny then becoming partly cloudy.
* Chance Lightning.......0% increasing to 10% in the afternoon.
* Max Temperature.......
Valleys/lwr slopes...72-80
Ridges/upr slopes....70-78
* Min Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....67-82 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....Southwest winds 5 to 8 mph.
* Mixing Height..........2300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming mostly cloudy. Slight chance
of showers and thunderstorms in the
evening.
* Chance Lightning.......10% decreasing to 0% after midnight.
* Min Temperature.......
Valleys/lwr slopes...52-56
Ridges/upr slopes....54-59
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....76-91 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 7 mph in the
evening...becoming light winds 2 to 4 mph.
Ridges/upr slopes....Southwest winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...69-77
Ridges/upr slopes....65-73
* Min Humidity.......
Valleys/lwr slopes...66-81 percent
Ridges/upr slopes....68-83 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
southwest 5 to 7 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming southwest 5
to 7 mph in the afternoon.
* Mixing Height..........2300 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-52
Ridges/upr slopes....50-55
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....72-87 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....West winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ403-230115-
Northeastern Interior Humboldt and Southwestern Siskiyou
Including Orleans-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Sunny. Slight chance of showers and
thunderstorms in the afternoon.
* Chance Lightning.......10%.
* Max Temperature.......
Valleys/lwr slopes...91-99
Ridges/upr slopes....76-84
* Min Humidity.......
Valleys/lwr slopes...29-37 percent
Ridges/upr slopes....37-47 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 9 mph.
Ridges/upr slopes....South winds 5 to 10 mph.
* Mixing Height..........7200 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear. Slight chance of showers and
thunderstorms early in the evening.
* Chance Lightning.......10%.
* Min Temperature.......
Valleys/lwr slopes...55-59
Ridges/upr slopes....56-59
* Max Humidity.......
Valleys/lwr slopes...76-91 percent
Ridges/upr slopes....65-75 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....Southwest winds 5 to 10 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...85-93
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...29-37 percent
Ridges/upr slopes....46-56 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
southwest 5 to 8 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 5 mph...becoming southwest 5
to 9 mph in the afternoon.
* Mixing Height..........5000 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-57
Ridges/upr slopes....52-56
* Max Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....54-69 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....West winds 6 to 9 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ404-230115-
Northern Coastal Humboldt-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...67-73
Ridges/upr slopes....around 70
* Min Humidity.......
Valleys/lwr slopes...67-81 percent
Ridges/upr slopes....68 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....Southeast winds 5 to 8 mph...shifting to
the south 8 to 11 mph in the afternoon.
* Mixing Height..........2400 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...54-57
Ridges/upr slopes....around 54
* Max Humidity.......
Valleys/lwr slopes...94-100 percent
Ridges/upr slopes....88 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....South winds 5 to 10 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
* Mixing Height..........800 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Patchy fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...63-68
Ridges/upr slopes....around 63
* Min Humidity.......
Valleys/lwr slopes...72-87 percent
Ridges/upr slopes....77 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 2 to 4 mph...becoming west 5
to 7 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 6
mph in the afternoon.
* Mixing Height..........2100 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-54
Ridges/upr slopes....around 51
* Max Humidity.......
Valleys/lwr slopes...94-100 percent
Ridges/upr slopes....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 6 mph in the
evening...becoming light winds 2 to 4 mph.
* Mixing Height..........900 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ405-230115-
Northwestern Interior Humboldt Including the Bald Hills-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...73-81
Ridges/upr slopes....70-78
* Min Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....64-74 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........2500 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...52-57
Ridges/upr slopes....52-60
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....75-90 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 6 mph in the
evening...becoming light winds 2 to 4 mph.
Ridges/upr slopes....Southwest winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* 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...69-77
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...66-81 percent
Ridges/upr slopes....60-75 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....Variable 2 to 4 mph...becoming west 5 to 6
mph in the afternoon.
* Mixing Height..........2100 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Mostly clear. Patchy fog early in the
morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-53
Ridges/upr slopes....48-54
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....73-88 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 mph in the evening...becoming
downslope/downvalley 1 to 3 mph.
Ridges/upr slopes....West winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ406-230115-
Eastern Interior Humboldt Including Willow Creek and Hoopa-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Sunny. Slight chance of showers and
thunderstorms in the afternoon.
* Chance Lightning.......10%.
* Max Temperature.......
Valleys/lwr slopes...87-95
Ridges/upr slopes....74-82
* Min Humidity.......
Valleys/lwr slopes...38-48 percent
Ridges/upr slopes....43-53 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 6 mph...shifting to
the west 5 to 7 mph in the afternoon.
Ridges/upr slopes....South winds 5 to 11 mph.
* Mixing Height..........5000 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear. Slight chance of showers and
thunderstorms in the evening.
* Chance Lightning.......10%.
* Min Temperature.......
Valleys/lwr slopes...55-58
Ridges/upr slopes....56-60
* Max Humidity.......
Valleys/lwr slopes...79-94 percent
Ridges/upr slopes....64-75 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....Southwest winds 5 to 7 mph...shifting to
the south 5 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...82-90
Ridges/upr slopes....69-77
* Min Humidity.......
Valleys/lwr slopes...39-49 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 6
mph in the afternoon.
* Mixing Height..........3400 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-54
Ridges/upr slopes....53-56
* Max Humidity.......
Valleys/lwr slopes...79-94 percent
Ridges/upr slopes....63-76 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....West winds 5 to 8 mph...shifting to the
north 5 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-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...73-81
Ridges/upr slopes....68-76
* Min Humidity.......
Valleys/lwr slopes...56-71 percent
Ridges/upr slopes....61-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 11 mph.
Ridges/upr slopes....South winds 7 to 14 mph.
* Mixing Height..........2300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly cloudy. Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-57
Ridges/upr slopes....56-63
* Max Humidity.......
Valleys/lwr slopes...84-99 percent
Ridges/upr slopes....71-86 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 9 mph in the
evening...becoming light winds 2 to 5 mph.
Ridges/upr slopes....South winds 5 to 12 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming sunny. Patchy
fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...74-82
Ridges/upr slopes....66-73
* Min Humidity.......
Valleys/lwr slopes...53-63 percent
Ridges/upr slopes....61-76 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 6
mph in the afternoon.
* Mixing Height..........2600 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Mostly clear. Patchy fog early in the
morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-54
Ridges/upr slopes....52-56
* Max Humidity.......
Valleys/lwr slopes...84-99 percent
Ridges/upr slopes....74-89 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 7 mph.
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.
$$
CAZ408-230115-
Southeastern Interior Humboldt Including Kneeland and Alderpoint-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...75-83
Ridges/upr slopes....72-80
* Min Humidity.......
Valleys/lwr slopes...61-71 percent
Ridges/upr slopes....61-71 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 9 mph.
Ridges/upr slopes....South winds 5 to 9 mph.
* Mixing Height..........2900 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy. Patchy fog after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-57
Ridges/upr slopes....51-59
* Max Humidity.......
Valleys/lwr slopes...79-94 percent
Ridges/upr slopes....73-88 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....South winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* 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...74-82
Ridges/upr slopes....67-75
* Min Humidity.......
Valleys/lwr slopes...62-72 percent
Ridges/upr slopes....69-79 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 6
mph in the afternoon.
* Mixing Height..........2900 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Mostly clear. Patchy fog early in the
morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-53
Ridges/upr slopes....47-55
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....73-88 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to
the north 5 mph after midnight.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
northeast 5 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ409-230115-
Northwestern Trinity Including Salyer and Big Bar-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Sunny then becoming partly cloudy. Slight
chance of showers and thunderstorms in the
late morning and afternoon.
* Chance Lightning.......10%.
* Max Temperature.......
Valleys/lwr slopes...90-98
Ridges/upr slopes....74-82
* Min Humidity.......
Valleys/lwr slopes...27-35 percent
Ridges/upr slopes....36-46 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southeast winds 5 to 10 mph.
Ridges/upr slopes....Southeast winds 9 to 16 mph.
* Mixing Height..........7100 ft AGL.
* Chc of Wetting Rain....10 percent.
.TONIGHT...
* Sky/Weather............Mostly clear. Slight chance of showers and
thunderstorms in the evening.
* Chance Lightning.......10%.
* Min Temperature.......
Valleys/lwr slopes...55-59
Ridges/upr slopes....55-60
* Max Humidity.......
Valleys/lwr slopes...76-91 percent
Ridges/upr slopes....63-74 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....South winds 5 to 10 mph...shifting to the
southeast after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...85-93
Ridges/upr slopes....73-81
* Min Humidity.......
Valleys/lwr slopes...28-36 percent
Ridges/upr slopes....31-39 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....South winds 5 to 7 mph.
* Mixing Height..........5200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-56
Ridges/upr slopes....53-58
* Max Humidity.......
Valleys/lwr slopes...74-89 percent
Ridges/upr slopes....55-65 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 9 mph...shifting to the
north 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ410-230115-
Northeastern Trinity Including Trinity Lake-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Sunny then becoming partly cloudy. Slight
chance of showers and thunderstorms in the
late morning and afternoon.
* Chance Lightning.......10% increasing to 20% in the afternoon.
* Max Temperature.......
Valleys/lwr slopes...83-91
Ridges/upr slopes....70-78
* Min Humidity.......
Valleys/lwr slopes...27-35 percent
Ridges/upr slopes....36-46 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southeast winds 5 to 10 mph.
Ridges/upr slopes....Southeast winds 8 to 15 mph.
* Mixing Height..........6400 ft AGL.
* Chc of Wetting Rain....10 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy then becoming clear. Slight
chance of showers and thunderstorms in the
evening.
* Chance Lightning.......10%.
* Min Temperature.......
Valleys/lwr slopes...57-61
Ridges/upr slopes....51-59
* Max Humidity.......
Valleys/lwr slopes...68-83 percent
Ridges/upr slopes....60-75 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 9 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....Southeast winds 5 to 12 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....10 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...85-93
Ridges/upr slopes....73-81
* Min Humidity.......
Valleys/lwr slopes...18-24 percent
Ridges/upr slopes....23-31 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
southeast 5 to 7 mph in the afternoon.
Ridges/upr slopes....Southeast winds 5 to 8 mph.
* Mixing Height..........5900 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 60
Ridges/upr slopes....51-59
* Max Humidity.......
Valleys/lwr slopes...60-70 percent
Ridges/upr slopes....45-55 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....South winds 5 to 8 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ411-230115-
Eastern Trinity Including Weaverville and Hayfork-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Sunny. Slight chance of showers and
thunderstorms in the late morning and
afternoon.
* Chance Lightning.......10%.
* Max Temperature.......
Valleys/lwr slopes...86-94
Ridges/upr slopes....76-84
* Min Humidity.......
Valleys/lwr slopes...27-35 percent
Ridges/upr slopes....34-44 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southeast winds 5 to 10 mph.
Ridges/upr slopes....Southeast winds 5 to 12 mph.
* Mixing Height..........7100 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear. Slight chance of showers and
thunderstorms in the evening.
* Chance Lightning.......10%.
* Min Temperature.......
Valleys/lwr slopes...52-60
Ridges/upr slopes....55-59
* Max Humidity.......
Valleys/lwr slopes...72-87 percent
Ridges/upr slopes....65-79 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....South winds 5 to 9 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...88-96
Ridges/upr slopes....77-85
* Min Humidity.......
Valleys/lwr slopes...17-24 percent
Ridges/upr slopes....24-32 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
southeast 5 to 6 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming south 5 to
6 mph in the afternoon.
* Mixing Height..........6300 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-59
Ridges/upr slopes....53-59
* Max Humidity.......
Valleys/lwr slopes...66-81 percent
Ridges/upr slopes....57-72 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ412-230115-
Southern Trinity Including Ruth Lake and the Yolla Bollys-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Sunny. Slight chance of showers and
thunderstorms in the late morning and
afternoon.
* Chance Lightning.......10%.
* Max Temperature.......
Valleys/lwr slopes...81-89
Ridges/upr slopes....74-82
* Min Humidity.......
Valleys/lwr slopes...40-50 percent
Ridges/upr slopes....38-48 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 9 mph.
Ridges/upr slopes....South winds 5 to 11 mph.
* Mixing Height..........5600 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear. Slight chance of showers and
thunderstorms in the evening. Patchy fog
after midnight.
* Chance Lightning.......10%.
* Min Temperature.......
Valleys/lwr slopes...52-55
Ridges/upr slopes....48-56
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....80-95 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....Southwest winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny. Patchy fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...80-88
Ridges/upr slopes....74-82
* Min Humidity.......
Valleys/lwr slopes...32-40 percent
Ridges/upr slopes....33-41 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....Variable 2 to 4 mph...becoming southwest 5
to 7 mph in the afternoon.
* Mixing Height..........4100 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Clear. Patchy fog early in the morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-53
Ridges/upr slopes....48-55
* Max Humidity.......
Valleys/lwr slopes...81-96 percent
Ridges/upr slopes....74-89 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ413-230115-
Coastal Mendocino-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...67-75
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...75-90 percent
Ridges/upr slopes....69-84 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 12 mph.
Ridges/upr slopes....South winds 5 to 12 mph.
* Mixing Height..........2200 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly cloudy. Patchy fog in the late
evening and early morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...53-56
Ridges/upr slopes....50-58
* Max Humidity.......
Valleys/lwr slopes...89-100 percent
Ridges/upr slopes....85-100 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 6 mph in the
evening...becoming light winds 2 to 4 mph.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
northwest 5 mph after midnight.
* Mixing Height..........600 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...63-71
Ridges/upr slopes....63-71
* Min Humidity.......
Valleys/lwr slopes...71-86 percent
Ridges/upr slopes....64-79 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 11 mph.
* Mixing Height..........1500 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Mostly clear then becoming mostly cloudy
then becoming partly cloudy. Patchy fog
early in the morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-54
Ridges/upr slopes....48-56
* Max Humidity.......
Valleys/lwr slopes...87-100 percent
Ridges/upr slopes....83-98 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest 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.
$$
CAZ414-230115-
Northern Interior Mendocino Including Leggett and Willits-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...79-87
Ridges/upr slopes....73-81
* Min Humidity.......
Valleys/lwr slopes...51-61 percent
Ridges/upr slopes....59-69 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 11 mph.
Ridges/upr slopes....South winds 5 to 12 mph.
* Mixing Height..........3000 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Patchy fog early in the morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-55
Ridges/upr slopes....50-58
* Max Humidity.......
Valleys/lwr slopes...84-99 percent
Ridges/upr slopes....77-92 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....Southwest winds 5 to 7 mph in the
evening...becoming light winds 2 to 4 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...78-86
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...42-52 percent
Ridges/upr slopes....51-61 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....Variable 2 to 4 mph...becoming west 5 to 6
mph in the afternoon.
* Mixing Height..........2500 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Mostly clear. Patchy fog early in the
morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-53
Ridges/upr slopes....47-55
* Max Humidity.......
Valleys/lwr slopes...85-100 percent
Ridges/upr slopes....75-90 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
north 5 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ415-230115-
Northeastern Interior Mendocino Including Covelo-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Sunny. Slight chance of showers and
thunderstorms early in the afternoon.
* Chance Lightning.......10%.
* Max Temperature.......
Valleys/lwr slopes...83-91
Ridges/upr slopes....73-81
* Min Humidity.......
Valleys/lwr slopes...35-45 percent
Ridges/upr slopes....43-53 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 10 mph.
Ridges/upr slopes....South winds 5 to 12 mph.
* Mixing Height..........5700 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear. Patchy fog early in the
morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-58
Ridges/upr slopes....52-58
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....75-89 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 9 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....Southwest winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny. Patchy fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...85-93
Ridges/upr slopes....74-82
* Min Humidity.......
Valleys/lwr slopes...25-33 percent
Ridges/upr slopes....33-41 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....Variable 2 to 4 mph...becoming southwest 5
to 6 mph in the afternoon.
* Mixing Height..........4500 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-58
Ridges/upr slopes....52-58
* Max Humidity.......
Valleys/lwr slopes...73-88 percent
Ridges/upr slopes....61-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph...shifting to the
north 5 mph after midnight.
Ridges/upr slopes....West winds 5 to 8 mph...shifting to the
northwest 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ416-230115-
Southeastern Interior Mendocino Including Ukiah and Potter Valley-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...79-87
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...48-58 percent
Ridges/upr slopes....60-70 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 9 mph.
Ridges/upr slopes....South winds 5 to 9 mph.
* Mixing Height..........3800 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear then becoming mostly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-59
Ridges/upr slopes....54-60
* Max Humidity.......
Valleys/lwr slopes...80-95 percent
Ridges/upr slopes....71-86 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...81-89
Ridges/upr slopes....76-83
* Min Humidity.......
Valleys/lwr slopes...34-44 percent
Ridges/upr slopes....36-46 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........3500 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-55
Ridges/upr slopes....53-59
* Max Humidity.......
Valleys/lwr slopes...77-92 percent
Ridges/upr slopes....63-78 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ417-230115-
Southwestern Interior Mendocino Including Boonville-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...74-80
Ridges/upr slopes....70-78
* Min Humidity.......
Valleys/lwr slopes...56-69 percent
Ridges/upr slopes....58-73 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 9 mph.
Ridges/upr slopes....South winds 5 to 9 mph.
* Mixing Height..........2500 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...53-59
Ridges/upr slopes....53-61
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....78-93 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph.
Ridges/upr slopes....Northwest winds 5 to 7 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...73-81
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...53-63 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 9 mph.
* Mixing Height..........2100 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Clear then becoming partly cloudy. Patchy
fog early in the morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-56
Ridges/upr slopes....50-57
* Max Humidity.......
Valleys/lwr slopes...83-98 percent
Ridges/upr slopes....77-92 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.
$$
CAZ418-230115-
Northern Lake Including Gravelly Valley-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...86-92
Ridges/upr slopes....73-81
* Min Humidity.......
Valleys/lwr slopes...31-41 percent
Ridges/upr slopes....42-52 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 9 mph.
Ridges/upr slopes....South winds 5 to 9 mph.
* Mixing Height..........4900 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-59
Ridges/upr slopes....53-60
* Max Humidity.......
Valleys/lwr slopes...73-88 percent
Ridges/upr slopes....69-84 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 9 mph.
Ridges/upr slopes....West winds 5 to 9 mph...shifting to the
northwest 5 to 6 mph after midnight.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...88-95
Ridges/upr slopes....76-84
* Min Humidity.......
Valleys/lwr slopes...22-30 percent
Ridges/upr slopes....30-38 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
southwest 5 to 6 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming southwest 5
to 6 mph in the afternoon.
* Mixing Height..........4300 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-59
Ridges/upr slopes....54-61
* Max Humidity.......
Valleys/lwr slopes...56-71 percent
Ridges/upr slopes....48-58 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ419-230115-
Eastern Lake Including Clearlake and Middletown-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...81-88
Ridges/upr slopes....78-82
* Min Humidity.......
Valleys/lwr slopes...42-52 percent
Ridges/upr slopes....39-49 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 9 mph.
Ridges/upr slopes....South 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...52-59
Ridges/upr slopes....55-61
* Max Humidity.......
Valleys/lwr slopes...79-94 percent
Ridges/upr slopes....71-86 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.
.THURSDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...90-94
Ridges/upr slopes....84-89
* Min Humidity.......
Valleys/lwr slopes...22-30 percent
Ridges/upr slopes....22-29 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph.
Ridges/upr slopes....Northwest winds 5 mph...shifting to the
southwest 5 to 6 mph in the afternoon.
* Mixing Height..........4700 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...53-59
Ridges/upr slopes....55-62
* Max Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....54-64 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.
$$
CAZ420-230115-
Southern Lake Including Cobb and Konocti-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...79-83
Ridges/upr slopes....70-77
* Min Humidity.......
Valleys/lwr slopes...51-61 percent
Ridges/upr slopes....60-70 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 11 mph.
Ridges/upr slopes....South winds 5 to 11 mph.
* Mixing Height..........2400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...53-59
Ridges/upr slopes....58-62
* Max Humidity.......
Valleys/lwr slopes...75-90 percent
Ridges/upr slopes....69-83 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 11 mph.
Ridges/upr slopes....West winds 5 to 11 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...86-93
Ridges/upr slopes....79-87
* Min Humidity.......
Valleys/lwr slopes...27-35 percent
Ridges/upr slopes....30-38 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
southwest 5 to 6 mph in the afternoon.
Ridges/upr slopes....West winds 5 to 7 mph.
* Mixing Height..........3700 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...54-58
Ridges/upr slopes....58-62
* Max Humidity.......
Valleys/lwr slopes...61-75 percent
Ridges/upr slopes....50-60 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 9 mph.
Ridges/upr slopes....West winds 5 to 9 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ421-230115-
Western Lake Including Lakeport-
1218 AM PDT Wed Jul 22 2026
.TODAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...81-86
Ridges/upr slopes....74-79
* Min Humidity.......
Valleys/lwr slopes...44-54 percent
Ridges/upr slopes....51-61 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 8 mph.
Ridges/upr slopes....South 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...52-57
Ridges/upr slopes....55-63
* Max Humidity.......
Valleys/lwr slopes...82-97 percent
Ridges/upr slopes....68-83 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.
.THURSDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...84-90
Ridges/upr slopes....78-82
* Min Humidity.......
Valleys/lwr slopes...28-36 percent
Ridges/upr slopes....32-39 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........4300 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-56
Ridges/upr slopes....53-59
* Max Humidity.......
Valleys/lwr slopes...69-84 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 11 mph.
* Mixing Height..........200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...
...Northwest California Coast...
.FRIDAY...Partly cloudy. Patchy fog in the morning. Patchy fog.
Lows 50 to 55. Highs 61 to 68. Northwest winds 5 mph.
.SATURDAY...Partly cloudy. Patchy fog in the morning. Areas of
fog after midnight. Lows 51 to 56. Highs 62 to 69. Northwest
winds 5 mph.
.SUNDAY...Partly cloudy. Patchy fog in the morning. Patchy fog
after midnight. Lows 50 to 55. Highs 61 to 68. Northwest winds
5 mph.
...Northwest California Interior...
.FRIDAY...Clear. Lows 50 to 58. Highs 82 to 95. West winds 5 mph.
.SATURDAY...Clear. Lows 52 to 60. Highs 80 to 93. West winds
5 mph.
.SUNDAY...Mostly clear. Lows 52 to 60. Highs 81 to 94. Northwest
winds 5 mph.
.6 to 10 DAY OUTLOOK...Monday July 27 THROUGH Friday July 31, 2026...
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
$$
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