CAZ220-267-250100-
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 Wed Dec 24 2025
...HIGH WIND WARNING IN EFFECT UNTIL 4 PM PST THURSDAY...
.TODAY...
* Sky/Weather............Showers and a slight chance of
thunderstorms in the morning, then rain and a slight chance of
thunderstorms in the afternoon.
* Max Temperature........52-57.
* 24 HR Trend..........5 degrees cooler.
* Min Humidity...........90-97 percent.
* 24 HR Trend..........19 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 15 to 21 mph with local gusts up
to 35 mph.
* Ridges/Upr Slopes....Breezy. South winds 15 to 21 mph with local
gusts up to 35 mph.
* CWR....................80 percent.
* Mixing Height..........2300 ft AGL.
* Chance of thunder......19 percent.
.TONIGHT...
* Sky/Weather............Showers and a slight chance of
thunderstorms in the evening, then rain and a slight chance of
thunderstorms after midnight.
* Min Temperature........42-47.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Breezy. Southeast winds 16 to 28 mph with
local gusts up to 45 mph.
* Ridges/Upr Slopes....Breezy. Southeast winds 16 to 28 mph with
local gusts up to 45 mph.
* CWR....................70 percent.
* Mixing Height..........1100 ft AGL.
* Chance of thunder......17 percent.
.CHRISTMAS DAY...
* Sky/Weather............Rain early in the morning, then rain
showers and a slight chance of thunderstorms in the late morning
and afternoon.
* Max Temperature........48-53.
* Min Humidity...........84-99 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Breezy. South winds 16 to 28 mph with local
gusts up to 45 mph.
* Ridges/Upr Slopes....Breezy. South winds 16 to 28 mph with local
gusts up to 45 mph.
* Mixing Height..........3300 ft AGL.
* CWR....................100 percent.
* Chance of thunder......16 percent.
CAZ268-250100-
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 Wed Dec 24 2025
.TODAY...
* Sky/Weather............Mostly cloudy. At lower elevations, a
chance of rain. At higher elevations, rain and a chance of
snow...heavy at times in the morning, then a chance of rain and
snow in the afternoon.
* Max Temperature........43-48 lower elevations...except 38-44
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........77-92 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Windy. South winds 22 to 34 mph with local
gusts up to 50 mph decreasing to 11 to 17 mph with local gusts
up to 35 mph in the afternoon.
* Ridges/Upr Slopes....Windy. South winds 27 to 39 mph with local
gusts up to 60 mph decreasing to 14 to 26 mph with local gusts
up to 40 mph in the afternoon.
* CWR....................60 percent.
* Mixing Height..........3100 ft AGL.
* Chance of thunder......15 percent.
.TONIGHT...
* Sky/Weather............At lower elevations, rain in the evening,
then showers and a slight chance of thunderstorms after midnight.
At higher elevations, snow...heavy at times and rain.
* Min Temperature........28-36.
* 24 HR Trend..........4 degrees cooler.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Windy. South winds 22 to 34 mph with local
gusts up to 60 mph.
* Ridges/Upr Slopes....Windy. South winds 22 to 34 mph with local
gusts up to 60 mph.
* CWR....................90 percent.
* Mixing Height..........1600 ft AGL.
* Chance of thunder......13 percent.
.CHRISTMAS DAY...
* Sky/Weather............Rain...heavy at times and snow...heavy at
times. Snow level 5000 feet decreasing to 4500 feet in the
afternoon.
* Max Temperature........37-42 lower elevations...except 32-38
higher elevations.
* Min Humidity...........78-93 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Windy. South winds 22 to 34 mph with local
gusts up to 55 mph decreasing to 13 to 25 mph with local gusts
up to 40 mph in the afternoon.
* Ridges/Upr Slopes....Windy. South winds 24 to 36 mph. Local gusts
up to 60 mph decreasing to 45 mph in the afternoon.
* Mixing Height..........4200 ft AGL.
* CWR....................100 percent.
* Chance of thunder......10 percent.
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