CAZ220-267-260000-
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 PM PST Wed Dec 24 2025
...HIGH WIND WARNING IN EFFECT UNTIL 4 PM PST THURSDAY...
.TONIGHT...
* Sky/Weather............Showers and a slight chance of
thunderstorms in the evening, then rain 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....................80 percent.
* Mixing Height..........1000 ft AGL.
* Chance of thunder......16 percent.
.CHRISTMAS DAY...
* Sky/Weather............Showers and a slight chance of
thunderstorms.
* Max Temperature........47-52.
* 24 HR Trend..........4 degrees cooler.
* Min Humidity...........93-99 percent.
* 24 HR Trend..........4 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Breezy. South winds 17 to 29 mph decreasing
to 15 to 21 mph in the afternoon. Local gusts up to 45 mph.
* Ridges/Upr Slopes....Windy. South winds 18 to 30 mph decreasing
to 15 to 21 mph in the afternoon. Local gusts up to 45 mph.
* CWR....................90 percent.
* Mixing Height..........3100 ft AGL.
* Chance of thunder......20 percent.
.THURSDAY NIGHT...
* Sky/Weather............Rain showers and a slight chance of
thunderstorms until early morning, then rain early in the
morning.
* Min Temperature........40-45.
* Max Humidity...........88-100 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Breezy. South winds 15 to 27 mph decreasing
to 13 to 19 mph after midnight. Local gusts up to 40 mph.
* Ridges/Upr Slopes....Breezy. South winds 14 to 26 mph with local
gusts up to 40 mph.
* Mixing Height..........1500 ft AGL.
* CWR....................90 percent.
* Chance of thunder......17 percent.
.FRIDAY...
* Sky/Weather............Rain.
* Max Temperature........45-50.
* Min Humidity...........81-96 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 10 to 16 mph with local gusts up
to 30 mph.
* Ridges/Upr Slopes....South winds 10 to 16 mph with local gusts up
to 30 mph.
* Mixing Height..........3200 ft AGL.
* CWR....................70 percent.
* Chance of thunder......10 percent.
CAZ268-260000-
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 PM PST Wed Dec 24 2025
.TONIGHT...
* Sky/Weather............Rain at lower elevations....and
snow...heavy at times and rain at higher elevations.
* 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..........1100 ft AGL.
* Chance of thunder......10 percent.
.CHRISTMAS DAY...
* Sky/Weather............Rain and snow...heavy at times. Snow level
5000 feet.
* Max Temperature........38-43 lower elevations...except 33-38
higher elevations.
* 24 HR Trend..........6 degrees cooler.
* Min Humidity...........86-98 percent.
* 24 HR Trend..........8 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Windy. South winds 22 to 34 mph. Local gusts
up to 55 mph decreasing to 40 mph in the afternoon.
* Ridges/Upr Slopes....Windy. South winds 22 to 34 mph. Local gusts
up to 60 mph decreasing to 45 mph in the afternoon.
* CWR....................100 percent.
* Mixing Height..........3900 ft AGL.
* Chance of thunder......10 percent.
.THURSDAY NIGHT...
* Sky/Weather............Snow...heavy at times and rain...heavy at
times. Snow level 5000 feet decreasing to 4500 feet after
midnight.
* Min Temperature........27-35.
* Max Humidity...........84-99 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Windy. South winds 21 to 33 mph with local
gusts up to 50 mph.
* Ridges/Upr Slopes....Windy. South winds 21 to 33 mph with local
gusts up to 55 mph.
* Mixing Height..........2200 ft AGL.
* CWR....................100 percent.
* Chance of thunder......9 percent.
.FRIDAY...
* Sky/Weather............Rain and snow. Snow level 4500 feet
increasing to 5000 feet in the afternoon.
* Max Temperature........36-41 lower elevations...except 30-36
higher elevations.
* Min Humidity...........76-91 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Breezy. South winds 16 to 28 mph decreasing
to 9 to 15 mph in the afternoon. Local gusts up to 40 mph.
* Ridges/Upr Slopes....Windy. South winds 21 to 33 mph with local
gusts up to 50 mph becoming southwest 15 to 21 mph with local
gusts up to 35 mph in the afternoon.
* Mixing Height..........2900 ft AGL.
* CWR....................80 percent.
* Chance of thunder......5 percent.
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