Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
309
FNUS56 KEKA 302000
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE Eureka CA
100 PM PDT Thu Jul 30 2026
...GUSTY WINDS AND LOW RH THROUGH THE WEEKEND AND EARLY NEXT
WEEK...
.DISCUSSION...Dry conditions are expected for the next week.
Onshore winds will become strong on Saturday but a small increase
in afternoon relative humidity will keep conditions from becoming
critical. Lower relative humidity and hotter temperatures are
expected early next week with widespread 100 degree weather
across the interior. Northeasterly winds will be gusty on the
ridges of Humboldt, Trinity, Del Norte, and Siskiyou counties
during the overnight hours Saturday night through Monday night.
CAZ401-311315-
Coastal Del Norte-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-53
Ridges/upr slopes....48-52
* Max Humidity.......
Valleys/lwr slopes...86-96 percent
Ridges/upr slopes....89-99 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 mph in the evening...becoming
downslope/downvalley 1 to 3 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...64-70
Ridges/upr slopes....64-71
* Min Humidity.......
Valleys/lwr slopes...66-76 percent
Ridges/upr slopes....66-76 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 1 to 3 mph...becoming west 5 mph
in the afternoon.
* Mixing Height..........1500 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY 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...51-54
Ridges/upr slopes....49-52
* Max Humidity.......
Valleys/lwr slopes...91-100 percent
Ridges/upr slopes....91-100 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 mph in the
evening...becoming light winds 1 to 3 mph.
Ridges/upr slopes....Northwest winds 5 mph in the
evening...becoming light winds 1 to 3 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Patchy dense fog in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...65-71
Ridges/upr slopes....65-71
* Min Humidity.......
Valleys/lwr slopes...65-78 percent
Ridges/upr slopes....71-81 percent
* 20-Foot Winds...
Valleys/lwr slopes...Light winds 2 to 4 mph...becoming
northwest 5 to 10 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming northwest 5
to 8 mph in the afternoon.
* Mixing Height..........2000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ402-311315-
Interior Del Norte Including the Smith River Valley-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-54
Ridges/upr slopes....51-57
* Max Humidity.......
Valleys/lwr slopes...71-86 percent
Ridges/upr slopes....62-77 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 mph in the evening...becoming
downslope/downvalley 2 to 4 mph.
Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to
the northeast after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...73-81
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...59-69 percent
Ridges/upr slopes....56-66 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....North winds 5 to 6 mph...shifting to the
west 5 to 7 mph in the afternoon.
* Mixing Height..........2300 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-54
Ridges/upr slopes....52-56
* Max Humidity.......
Valleys/lwr slopes...78-93 percent
Ridges/upr slopes....65-80 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..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...72-80
Ridges/upr slopes....67-75
* Min Humidity.......
Valleys/lwr slopes...64-74 percent
Ridges/upr slopes....60-70 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
northwest 5 to 7 mph in the afternoon.
Ridges/upr slopes....North winds 5 mph...shifting to the
northwest 5 to 7 mph in the afternoon.
* Mixing Height..........3300 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ403-311315-
Northeastern Interior Humboldt and Southwestern Siskiyou
Including Orleans-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...54-59
Ridges/upr slopes....55-58
* Max Humidity.......
Valleys/lwr slopes...57-72 percent
Ridges/upr slopes....48-57 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...shifting to
the northeast 5 to 6 mph after midnight.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...90-98
Ridges/upr slopes....77-85
* Min Humidity.......
Valleys/lwr slopes...19-26 percent
Ridges/upr slopes....28-36 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....East winds 5 to 6 mph...shifting to the
southwest 5 to 8 mph in the afternoon.
* Mixing Height..........4700 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...54-58
Ridges/upr slopes....54-57
* Max Humidity.......
Valleys/lwr slopes...63-78 percent
Ridges/upr slopes....49-59 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest 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..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Sunny then becoming partly cloudy then
becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...86-94
Ridges/upr slopes....72-80
* Min Humidity.......
Valleys/lwr slopes...26-34 percent
Ridges/upr slopes....33-43 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph...becoming
west 5 to 7 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 5 mph...becoming northwest 5
to 8 mph in the afternoon.
* Mixing Height..........4500 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ404-311315-
Northern Coastal Humboldt-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Patchy fog late in the night.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-52
Ridges/upr slopes....around 50
* Max Humidity.......
Valleys/lwr slopes...89-99 percent
Ridges/upr slopes....91 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
Patchy fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...66-70
Ridges/upr slopes....around 64
* Min Humidity.......
Valleys/lwr slopes...63-78 percent
Ridges/upr slopes....73 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........1700 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Patchy fog early in the morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-55
Ridges/upr slopes....around 54
* Max Humidity.......
Valleys/lwr slopes...91-100 percent
Ridges/upr slopes....91 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...66-69
Ridges/upr slopes....around 64
* Min Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....79 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 6 to 13 mph.
Ridges/upr slopes....North winds 6 to 13 mph.
* Mixing Height..........2400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ405-311315-
Northwestern Interior Humboldt Including the Bald Hills-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-52
Ridges/upr slopes....47-54
* Max Humidity.......
Valleys/lwr slopes...79-94 percent
Ridges/upr slopes....61-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 mph in the
evening...becoming downslope/downvalley 1
to 3 mph.
Ridges/upr slopes....Northwest winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...73-81
Ridges/upr slopes....69-77
* Min Humidity.......
Valleys/lwr slopes...57-67 percent
Ridges/upr slopes....53-63 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 7 mph.
* Mixing Height..........1800 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-53
Ridges/upr slopes....50-54
* Max Humidity.......
Valleys/lwr slopes...81-96 percent
Ridges/upr slopes....66-81 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 mph in the
evening...becoming downslope/downvalley 1
to 3 mph.
Ridges/upr slopes....Northwest winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...69-77
Ridges/upr slopes....66-73
* Min Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....63-73 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
northwest 5 to 8 mph in the afternoon.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........2400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ406-311315-
Eastern Interior Humboldt Including Willow Creek and Hoopa-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-55
Ridges/upr slopes....52-56
* Max Humidity.......
Valleys/lwr slopes...63-78 percent
Ridges/upr slopes....46-56 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 north 5 to 6 mph after midnight.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...86-94
Ridges/upr slopes....73-81
* Min Humidity.......
Valleys/lwr slopes...30-38 percent
Ridges/upr slopes....34-44 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 6 mph...shifting to the
west 5 to 7 mph in the afternoon.
* Mixing Height..........2500 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-55
Ridges/upr slopes....53-56
* Max Humidity.......
Valleys/lwr slopes...68-83 percent
Ridges/upr slopes....50-60 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...81-89
Ridges/upr slopes....67-75
* Min Humidity.......
Valleys/lwr slopes...38-48 percent
Ridges/upr slopes....44-54 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
northwest 5 to 9 mph in the afternoon.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........2600 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ407-311315-
Southwestern Humboldt Including the King Range and the Eel River
Valley-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-53
Ridges/upr slopes....50-54
* Max Humidity.......
Valleys/lwr slopes...76-91 percent
Ridges/upr slopes....67-82 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 9 mph.
Ridges/upr slopes....North winds 7 to 14 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...79-87
Ridges/upr slopes....70-78
* Min Humidity.......
Valleys/lwr slopes...43-53 percent
Ridges/upr slopes....60-70 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 11 mph.
* Mixing Height..........2200 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-56
Ridges/upr slopes....55-59
* Max Humidity.......
Valleys/lwr slopes...77-92 percent
Ridges/upr slopes....69-84 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 6 to 13 mph.
Ridges/upr slopes....North winds 8 to 15 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...76-84
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...52-62 percent
Ridges/upr slopes....69-79 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 9 to 16 mph.
Ridges/upr slopes....North winds 10 to 17 mph.
* Mixing Height..........2300 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ408-311315-
Southeastern Interior Humboldt Including Kneeland and Alderpoint-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-53
Ridges/upr slopes....47-55
* Max Humidity.......
Valleys/lwr slopes...73-88 percent
Ridges/upr slopes....60-75 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...76-84
Ridges/upr slopes....69-77
* Min Humidity.......
Valleys/lwr slopes...54-64 percent
Ridges/upr slopes....62-72 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........2100 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-55
Ridges/upr slopes....49-56
* Max Humidity.......
Valleys/lwr slopes...77-92 percent
Ridges/upr slopes....61-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...73-81
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...61-71 percent
Ridges/upr slopes....68-78 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 11 mph.
Ridges/upr slopes....Northwest winds 5 to 11 mph.
* Mixing Height..........2500 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ409-311315-
Northwestern Trinity Including Salyer and Big Bar-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-56
Ridges/upr slopes....53-60
* Max Humidity.......
Valleys/lwr slopes...54-69 percent
Ridges/upr slopes....39-49 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
northeast 5 to 7 mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...89-97
Ridges/upr slopes....78-86
* Min Humidity.......
Valleys/lwr slopes...21-29 percent
Ridges/upr slopes....21-29 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
northwest 5 to 7 mph in the afternoon.
Ridges/upr slopes....Southeast winds 5 to 7 mph...shifting to
the southwest 5 to 9 mph in the afternoon.
* Mixing Height..........5800 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-56
Ridges/upr slopes....54-60
* Max Humidity.......
Valleys/lwr slopes...60-75 percent
Ridges/upr slopes....42-52 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...84-92
Ridges/upr slopes....74-82
* Min Humidity.......
Valleys/lwr slopes...27-35 percent
Ridges/upr slopes....27-35 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....Northwest winds 5 to 10 mph.
* Mixing Height..........4400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ410-311315-
Northeastern Trinity Including Trinity Lake-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 60
Ridges/upr slopes....53-61
* Max Humidity.......
Valleys/lwr slopes...48-58 percent
Ridges/upr slopes....39-46 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 7 mph.
Ridges/upr slopes....West winds 5 to 7 mph...shifting to the
northeast 5 to 6 mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...92-100
Ridges/upr slopes....78-86
* Min Humidity.......
Valleys/lwr slopes...13-18 percent
Ridges/upr slopes....18-26 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....South winds 5 to 8 mph.
* Mixing Height..........7100 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...59-62
Ridges/upr slopes....55-62
* Max Humidity.......
Valleys/lwr slopes...49-59 percent
Ridges/upr slopes....39-46 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 6 mph...shifting to
the west after midnight.
Ridges/upr slopes....West winds 5 to 7 mph...shifting to the
northwest 5 to 6 mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...92-100
Ridges/upr slopes....77-85
* Min Humidity.......
Valleys/lwr slopes...15-20 percent
Ridges/upr slopes....19-27 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....Northwest winds 5 to 8 mph.
* Mixing Height..........7800 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ411-311315-
Eastern Trinity Including Weaverville and Hayfork-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-59
Ridges/upr slopes....54-59
* Max Humidity.......
Valleys/lwr slopes...48-58 percent
Ridges/upr slopes....37-47 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 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...95-101
Ridges/upr slopes....83-91
* Min Humidity.......
Valleys/lwr slopes...14-19 percent
Ridges/upr slopes....16-23 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph...becoming
west 5 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming southwest 5
to 6 mph in the afternoon.
* Mixing Height..........7400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-60
Ridges/upr slopes....54-60
* Max Humidity.......
Valleys/lwr slopes...52-62 percent
Ridges/upr slopes....40-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....West winds 5 to 9 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...91-97
Ridges/upr slopes....79-87
* Min Humidity.......
Valleys/lwr slopes...18-23 percent
Ridges/upr slopes....21-29 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming
west 5 to 8 mph in the afternoon.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........5500 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ412-311315-
Southern Trinity Including Ruth Lake and the Yolla Bollys-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-57
Ridges/upr slopes....51-59
* Max Humidity.......
Valleys/lwr slopes...55-70 percent
Ridges/upr slopes....49-59 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to
the northeast 5 mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...87-95
Ridges/upr slopes....80-88
* Min Humidity.......
Valleys/lwr slopes...22-30 percent
Ridges/upr slopes....22-30 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....Southeast winds 5 to 6 mph...shifting to
the southwest 5 to 7 mph in the afternoon.
* Mixing Height..........4800 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...53-58
Ridges/upr slopes....53-61
* Max Humidity.......
Valleys/lwr slopes...58-73 percent
Ridges/upr slopes....50-60 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
north after midnight.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...86-94
Ridges/upr slopes....78-86
* Min Humidity.......
Valleys/lwr slopes...27-35 percent
Ridges/upr slopes....28-36 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming
northwest 5 to 8 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........5400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ413-311315-
Coastal Mendocino-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Mostly clear. Patchy dense fog late in the
night.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-53
Ridges/upr slopes....49-55
* Max Humidity.......
Valleys/lwr slopes...75-90 percent
Ridges/upr slopes....69-84 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny. Patchy dense fog early in the
morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...68-76
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...62-72 percent
Ridges/upr slopes....53-63 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........1500 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-54
Ridges/upr slopes....51-57
* Max Humidity.......
Valleys/lwr slopes...78-93 percent
Ridges/upr slopes....71-86 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Mostly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...70-78
Ridges/upr slopes....74-82
* Min Humidity.......
Valleys/lwr slopes...59-69 percent
Ridges/upr slopes....49-59 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Mixing Height..........1500 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ414-311315-
Northern Interior Mendocino Including Leggett and Willits-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-55
Ridges/upr slopes....50-58
* Max Humidity.......
Valleys/lwr slopes...63-78 percent
Ridges/upr slopes....56-71 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...86-94
Ridges/upr slopes....79-87
* Min Humidity.......
Valleys/lwr slopes...30-38 percent
Ridges/upr slopes....32-40 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........2800 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-56
Ridges/upr slopes....52-60
* Max Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....58-73 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 7 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...87-95
Ridges/upr slopes....80-88
* Min Humidity.......
Valleys/lwr slopes...30-38 percent
Ridges/upr slopes....31-39 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........3600 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ415-311315-
Northeastern Interior Mendocino Including Covelo-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...54-62
Ridges/upr slopes....57-63
* Max Humidity.......
Valleys/lwr slopes...53-63 percent
Ridges/upr slopes....40-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to
the northeast 5 to 6 mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...91-99
Ridges/upr slopes....81-89
* Min Humidity.......
Valleys/lwr slopes...16-23 percent
Ridges/upr slopes....18-26 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........5000 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...55-63
Ridges/upr slopes....58-65
* Max Humidity.......
Valleys/lwr slopes...53-68 percent
Ridges/upr slopes....43-53 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....Northwest winds 5 to 7 mph...shifting to
the north 5 to 6 mph after midnight.
* Mixing Height..........300 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...91-99
Ridges/upr slopes....81-89
* Min Humidity.......
Valleys/lwr slopes...18-26 percent
Ridges/upr slopes....19-27 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....North winds 5 to 6 mph...shifting to the
northwest 5 to 8 mph in the afternoon.
* Mixing Height..........5400 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ416-311315-
Southeastern Interior Mendocino Including Ukiah and Potter Valley-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-58
Ridges/upr slopes....56-64
* Max Humidity.......
Valleys/lwr slopes...56-71 percent
Ridges/upr slopes....44-54 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...87-95
Ridges/upr slopes....83-91
* Min Humidity.......
Valleys/lwr slopes...23-31 percent
Ridges/upr slopes....24-32 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........3100 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...54-60
Ridges/upr slopes....58-66
* Max Humidity.......
Valleys/lwr slopes...60-75 percent
Ridges/upr slopes....48-58 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...87-95
Ridges/upr slopes....82-90
* Min Humidity.......
Valleys/lwr slopes...27-35 percent
Ridges/upr slopes....28-36 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........3500 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ417-311315-
Southwestern Interior Mendocino Including Boonville-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-55
Ridges/upr slopes....50-57
* Max Humidity.......
Valleys/lwr slopes...67-82 percent
Ridges/upr slopes....62-77 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...79-87
Ridges/upr slopes....77-85
* Min Humidity.......
Valleys/lwr slopes...38-48 percent
Ridges/upr slopes....42-52 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........1800 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-58
Ridges/upr slopes....52-60
* Max Humidity.......
Valleys/lwr slopes...70-85 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 9 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...81-89
Ridges/upr slopes....78-86
* Min Humidity.......
Valleys/lwr slopes...37-47 percent
Ridges/upr slopes....39-49 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........2000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ418-311315-
Northern Lake Including Gravelly Valley-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...56-64
Ridges/upr slopes....61-67
* Max Humidity.......
Valleys/lwr slopes...45-55 percent
Ridges/upr slopes....31-41 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph...shifting to
the north 5 to 6 mph after midnight.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...95-101
Ridges/upr slopes....82-90
* Min Humidity.......
Valleys/lwr slopes...14-20 percent
Ridges/upr slopes....16-24 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 mph...shifting to the
southwest 5 to 6 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the southwest 5 to 7 mph in the afternoon.
* Mixing Height..........5000 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...59-67
Ridges/upr slopes....63-70
* Max Humidity.......
Valleys/lwr slopes...41-51 percent
Ridges/upr slopes....32-42 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...95-102
Ridges/upr slopes....83-91
* Min Humidity.......
Valleys/lwr slopes...14-22 percent
Ridges/upr slopes....18-24 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....North winds 5 to 6 mph...shifting to the
west 5 to 7 mph in the afternoon.
* Mixing Height..........6000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ419-311315-
Eastern Lake Including Clearlake and Middletown-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...56-62
Ridges/upr slopes....59-67
* Max Humidity.......
Valleys/lwr slopes...48-58 percent
Ridges/upr slopes....38-48 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...around 100
Ridges/upr slopes....90-95
* Min Humidity.......
Valleys/lwr slopes...14-20 percent
Ridges/upr slopes....15-20 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....North winds 5 to 6 mph...shifting to the
southwest 5 to 7 mph in the afternoon.
* Mixing Height..........5900 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...58-64
Ridges/upr slopes....62-70
* Max Humidity.......
Valleys/lwr slopes...49-59 percent
Ridges/upr slopes....39-49 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....West winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...97-102
Ridges/upr slopes....90-98
* Min Humidity.......
Valleys/lwr slopes...16-21 percent
Ridges/upr slopes....16-23 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 7 mph...shifting to
the southwest 5 to 6 mph in the afternoon.
* Mixing Height..........6300 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ420-311315-
Southern Lake Including Cobb and Konocti-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...57-62
Ridges/upr slopes....62-67
* Max Humidity.......
Valleys/lwr slopes...40-50 percent
Ridges/upr slopes....31-39 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...95-99
Ridges/upr slopes....86-93
* Min Humidity.......
Valleys/lwr slopes...18-24 percent
Ridges/upr slopes....18-26 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
southwest 5 to 7 mph in the afternoon.
Ridges/upr slopes....North winds 5 mph...shifting to the west 5
to 7 mph in the afternoon.
* Mixing Height..........5300 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...59-64
Ridges/upr slopes....64-70
* Max Humidity.......
Valleys/lwr slopes...44-54 percent
Ridges/upr slopes....34-44 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...95-101
Ridges/upr slopes....88-95
* Min Humidity.......
Valleys/lwr slopes...18-24 percent
Ridges/upr slopes....19-26 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........5700 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ421-311315-
Western Lake Including Lakeport-
100 PM PDT Thu Jul 30 2026
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...54-60
Ridges/upr slopes....57-63
* Max Humidity.......
Valleys/lwr slopes...52-62 percent
Ridges/upr slopes....43-53 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...90-98
Ridges/upr slopes....86-89
* Min Humidity.......
Valleys/lwr slopes...20-28 percent
Ridges/upr slopes....20-25 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..........4400 ft AGL.
* Chc of Wetting Rain....0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...57-62
Ridges/upr slopes....59-66
* Max Humidity.......
Valleys/lwr slopes...53-67 percent
Ridges/upr slopes....46-56 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 11 mph.
* Mixing Height..........400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...91-99
Ridges/upr slopes....85-88
* Min Humidity.......
Valleys/lwr slopes...23-31 percent
Ridges/upr slopes....24-29 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........4800 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...
...Northwest California Coast...
.SUNDAY...Mostly clear. Lows in the lower to mid 50s. Highs 65 to
75. North winds 5 mph.
.MONDAY...Mostly clear. Lows in the lower to mid 50s. Highs 68 to
79. North winds 5 mph.
.TUESDAY...Mostly clear. Lows in the 50s. Highs 68 to 77.
Northwest winds 5 mph.
...Northwest California Interior...
.SUNDAY...Clear. Lows 56 to 64. Highs 88 to 101. Northwest winds
5 mph.
.MONDAY...Clear. Lows 58 to 66. Highs 93 to 105. Northwest winds
5 mph.
.TUESDAY...Clear. Lows 61 to 69. Highs 92 to 104. North winds
5 mph.
.6 to 10 DAY OUTLOOK...Wednesday August 5 THROUGH Sunday August 9, 2026...
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
$$
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