CAZ220-267-020000-
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 31 2025
.TONIGHT...
* Sky/Weather............Rain. Patchy fog.
* Min Temperature........46-51.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........26 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph becoming
southeast up to 8 mph after midnight.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming
southeast 4 to 9 mph after midnight.
* CWR....................90 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......2 percent.
.NEW YEARS DAY...
* Sky/Weather............Rain.
* Max Temperature........53-58.
* 24 HR Trend..........Little change.
* Min Humidity...........88-98 percent.
* 24 HR Trend..........23 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 6 to 12 mph.
* Ridges/Upr Slopes....South winds 6 to 12 mph.
* CWR....................90 percent.
* Mixing Height..........1900 ft AGL.
* Chance of thunder......11 percent.
.THURSDAY NIGHT...
* Sky/Weather............Rain in the evening, then a chance of rain
after midnight.
* Min Temperature........43-48.
* Max Humidity...........81-96 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds 6 to 12 mph.
* Ridges/Upr Slopes....Southeast winds 6 to 12 mph.
* Mixing Height..........800 ft AGL.
* CWR....................40 percent.
* Chance of thunder......2 percent.
.FRIDAY...
* Sky/Weather............Mostly cloudy with a chance of rain.
* Max Temperature........54-59.
* Min Humidity...........70-85 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds 7 to 13 mph. Local gusts up
to 25 mph in the afternoon.
* Ridges/Upr Slopes....South winds 7 to 13 mph.
* Mixing Height..........3700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
CAZ268-020000-
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 31 2025
.TONIGHT...
* Sky/Weather............Rain. Patchy fog.
* Min Temperature........34-42 lower elevations...except 32-37
higher elevations.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........37 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 5 to 11 mph.
* Ridges/Upr Slopes....Southeast winds 5 to 11 mph.
* CWR....................70 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......1 percent.
.NEW YEARS DAY...
* Sky/Weather............Rain.
* Max Temperature........40-48.
* 24 HR Trend..........4 degrees cooler.
* Min Humidity...........87-99 percent.
* 24 HR Trend..........34 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 8 to 14 mph.
* Ridges/Upr Slopes....South winds 8 to 14 mph.
* CWR....................90 percent.
* Mixing Height..........1500 ft AGL.
* Chance of thunder......4 percent.
.THURSDAY NIGHT...
* Sky/Weather............At lower elevations, rain. At higher
elevations, rain early in the evening, then rain and snow...heavy
at times in the late evening and overnight.
* Min Temperature........33-41.
* Max Humidity...........82-97 percent...except 92-100 percent in
the high mountain valleys.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 11 to 17 mph with local gusts up
to 25 mph.
* Ridges/Upr Slopes....South winds 11 to 17 mph with local gusts up
to 30 mph.
* Mixing Height..........900 ft AGL.
* CWR....................80 percent.
* Chance of thunder......3 percent.
.FRIDAY...
* Sky/Weather............Rain at lower elevations....and rain and
snow at higher elevations.
* Max Temperature........44-49 lower elevations...except 37-43
higher elevations.
* Min Humidity...........75-90 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 13 to 19 mph with local gusts up
to 30 mph.
* Ridges/Upr Slopes....Breezy. South winds 11 to 17 mph increasing
to 13 to 25 mph in the afternoon.
* Mixing Height..........3200 ft AGL.
* CWR....................10 percent.
* Chance of thunder......1 percent.
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