CAZ220-267-240100-
Southern Motherlode From 1000 to 3000 Ft. Includes portions of
Toulumne-Calaveras Unit-
Northern Motherlode From 1000 to 3000 Ft. Includes portions of
Nevada-Yuba-Placer-Amador and Eldorado Units-
123 AM PST Tue Dec 23 2025
...HIGH WIND WATCH IN EFFECT FROM THIS AFTERNOON THROUGH FRIDAY
AFTERNOON...
.TODAY...
* Sky/Weather............At lower elevations, areas of fog in the
morning. Mostly cloudy with a slight chance of rain.
* Max Temperature........56-61.
* 24 HR Trend..........Little change.
* Min Humidity...........66-81 percent.
* 24 HR Trend..........21 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds 8 to 14 mph. Local gusts up
to 35 mph in the afternoon.
* Ridges/Upr Slopes....Southeast winds 8 to 14 mph. Local gusts up
to 35 mph in the afternoon.
* CWR....................10 percent.
* Mixing Height..........4100 ft AGL.
* Chance of thunder......1 percent.
.TONIGHT...
* Sky/Weather............Rain.
* Min Temperature........45-50.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Breezy. Southeast winds 14 to 26 mph with
local gusts up to 45 mph.
* Ridges/Upr Slopes....Breezy. Southeast winds 14 to 26 mph with
local gusts up to 45 mph.
* CWR....................60 percent.
* Mixing Height..........1500 ft AGL.
* Chance of thunder......7 percent.
.WEDNESDAY...
* Sky/Weather............Rain in the morning, then rain showers and
a slight chance of thunderstorms in the afternoon.
* Max Temperature........51-56.
* Min Humidity...........83-98 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 12 to 18 mph with local gusts up
to 35 mph.
* Ridges/Upr Slopes....South winds 12 to 18 mph with local gusts up
to 35 mph.
* Mixing Height..........2800 ft AGL.
* CWR....................90 percent.
* Chance of thunder......20 percent.
CAZ268-240100-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-
123 AM PST Tue Dec 23 2025
.TODAY...
* Sky/Weather............Mostly cloudy. At lower elevations, a
chance of rain. At higher elevations, a chance of rain and
snow...heavy at times in the morning, then a chance of rain in
the afternoon.
* Max Temperature........46-51 lower elevations...except 40-46
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........77-89 percent.
* 24 HR Trend..........8 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 12 to 18 mph. Local gusts up to
30 mph increasing to 50 mph in the afternoon.
* Ridges/Upr Slopes....Windy. South winds 15 to 21 mph increasing
to 18 to 30 mph in the afternoon. Local gusts up to 50 mph.
* CWR....................10 percent.
* Mixing Height..........4200 ft AGL.
* Chance of thunder......2 percent.
.TONIGHT...
* Sky/Weather............Rain.
* Min Temperature........32-40.
* 24 HR Trend..........Little change.
* Max Humidity...........94-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Windy. South winds 25 to 37 mph with local
gusts up to 60 mph.
* Ridges/Upr Slopes....Very windy. South winds 26 to 38 mph with
local gusts up to 65 mph.
* CWR....................80 percent.
* Mixing Height..........2300 ft AGL.
* Chance of thunder......8 percent.
.WEDNESDAY...
* Sky/Weather............Rain at lower elevations....and rain and
snow at higher elevations. Snow level 5500 feet in the afternoon.
* Max Temperature........42-47 lower elevations...except 37-43
higher elevations.
* Min Humidity...........74-89 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Breezy. South winds 17 to 29 mph with local
gusts up to 45 mph decreasing to 10 to 16 mph with local gusts
up to 30 mph in the afternoon.
* Ridges/Upr Slopes....Windy. South winds 21 to 33 mph with local
gusts up to 55 mph decreasing to 14 to 20 mph with local gusts
up to 30 mph in the afternoon.
* Mixing Height..........2600 ft AGL.
* CWR....................70 percent.
* Chance of thunder......8 percent.
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