CAZ220-267-270100-
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 Fri Dec 26 2025
...WIND ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...
.TODAY...
* Sky/Weather............Rain likely in the morning, then showers
and a slight chance of thunderstorms in the afternoon.
* Max Temperature........45-50.
* 24 HR Trend..........Little change.
* Min Humidity...........90-97 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 11 to 17 mph.
* Ridges/Upr Slopes....South winds 11 to 17 mph.
* CWR....................70 percent.
* Mixing Height..........2800 ft AGL.
* Chance of thunder......12 percent.
.TONIGHT...
* Sky/Weather............Mostly cloudy with a chance of rain.
* Min Temperature........36-41.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds 6 to 12 mph.
* Ridges/Upr Slopes....Southeast winds 6 to 12 mph.
* CWR....................50 percent.
* Mixing Height..........900 ft AGL.
* Chance of thunder......13 percent.
.SATURDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly sunny. At lower
elevations, a chance of rain in the morning. At higher
elevations, a chance of rain early in the morning, then a slight
chance of rain in the late morning and early afternoon.
* Max Temperature........46-51.
* Min Humidity...........74-89 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming northwest
up to 8 mph in the afternoon.
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming
northwest up to 7 mph in the afternoon.
* Mixing Height..........3100 ft AGL.
* CWR....................10 percent.
* Chance of thunder......0 percent.
CAZ268-270100-
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 Fri Dec 26 2025
.TODAY...
* Sky/Weather............A chance of rain and snow likely in the
morning, then snow...heavy at times and rain in the afternoon.
Snow level 4000 feet increasing to 4500 feet in the afternoon.
* Max Temperature........35-40 lower elevations...except 29-34
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........84-95 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Breezy. South winds 16 to 28 mph decreasing
to 13 to 19 mph in the afternoon. Local gusts up to 45 mph.
* Ridges/Upr Slopes....Windy. Southwest winds 19 to 31 mph. Local
gusts up to 50 mph decreasing to 35 mph in the afternoon.
* CWR....................80 percent.
* Mixing Height..........3000 ft AGL.
* Chance of thunder......8 percent.
.TONIGHT...
* Sky/Weather............Mostly cloudy. Rain and snow likely in the
evening, then a chance of rain and snow after midnight. Snow
level 4500 feet in the evening.
* Min Temperature........21-31.
* 24 HR Trend..........Little change.
* Max Humidity...........93-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 10 to 16 mph. Local gusts up
to 30 mph in the evening.
* Ridges/Upr Slopes....Southwest winds 10 to 16 mph with local
gusts up to 30 mph.
* CWR....................60 percent.
* Mixing Height..........800 ft AGL.
* Chance of thunder......6 percent.
.SATURDAY...
* Sky/Weather............Mostly cloudy with a chance of snow in the
morning, then partly cloudy with a slight chance of rain and snow
early in the afternoon. Mostly sunny late in the afternoon.
* Max Temperature........36-41 lower elevations...except 30-36
higher elevations.
* Min Humidity...........64-79 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming north up
to 7 mph in the afternoon.
* Ridges/Upr Slopes....Northwest winds up to 8 mph.
* Mixing Height..........2500 ft AGL.
* CWR....................10 percent.
* Chance of thunder......0 percent.
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