CAZ220-267-210000-
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-
433 PM PST Fri Dec 19 2025
.TONIGHT...
* Sky/Weather............Rain.
* Min Temperature........46-51.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds up to 8 mph.
* Ridges/Upr Slopes....Southeast winds up to 8 mph.
* CWR....................80 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......11 percent.
.SATURDAY...
* Sky/Weather............A chance of rain in the morning, then rain
in the afternoon.
* Max Temperature........54-59.
* 24 HR Trend..........Little change.
* Min Humidity...........92-100 percent.
* 24 HR Trend..........7 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds up to 7 mph.
* Ridges/Upr Slopes....Southeast winds up to 7 mph in the morning
becoming variable up to 5 mph.
* CWR....................70 percent.
* Mixing Height..........1000 ft AGL.
* Chance of thunder......8 percent.
.SATURDAY NIGHT...
* Sky/Weather............Rain...heavy at times.
* Min Temperature........49-54.
* Max Humidity...........88-100 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 6 to 12 mph.
* Ridges/Upr Slopes....South winds 6 to 12 mph.
* Mixing Height..........900 ft AGL.
* CWR....................90 percent.
* Chance of thunder......8 percent.
.SUNDAY...
* Sky/Weather............Rain.
* Max Temperature........53-58.
* Min Humidity...........84-99 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 7 to 13 mph with local gusts up
to 25 mph.
* Ridges/Upr Slopes....South winds 7 to 13 mph with local gusts up
to 25 mph.
* Mixing Height..........2300 ft AGL.
* CWR....................100 percent.
* Chance of thunder......10 percent.
CAZ268-210000-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-
433 PM PST Fri Dec 19 2025
.TONIGHT...
* Sky/Weather............At lower elevations, rain in the evening,
then a chance of rain after midnight. At higher elevations, a
chance of rain in the evening, then a chance of rain and snow
likely after midnight.
* Min Temperature........33-43.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 10 to 16 mph with local
gusts up to 30 mph.
* Ridges/Upr Slopes....Southwest winds 10 to 16 mph with local
gusts up to 35 mph.
* CWR....................60 percent.
* Mixing Height..........1000 ft AGL.
* Chance of thunder......10 percent.
.SATURDAY...
* Sky/Weather............At lower elevations, a chance of rain in
the morning, then rain in the afternoon. At higher elevations, a
chance of rain and snow in the morning, then rain and
snow...heavy at times in the afternoon.
* Max Temperature........45-50 lower elevations...except 40-45
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........80-94 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 8 to 14 mph.
* Ridges/Upr Slopes....Southwest winds 8 to 14 mph.
* CWR....................40 percent.
* Mixing Height..........2200 ft AGL.
* Chance of thunder......5 percent.
.SATURDAY NIGHT...
* Sky/Weather............Rain.
* Min Temperature........35-45.
* Max Humidity...........85-100 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 14 to 20 mph with local
gusts up to 30 mph.
* Ridges/Upr Slopes....Breezy. Southwest winds 11 to 17 mph
increasing to 13 to 25 mph after midnight. Local gusts up to 35
mph.
* Mixing Height..........1400 ft AGL.
* CWR....................100 percent.
* Chance of thunder......4 percent.
.SUNDAY...
* Sky/Weather............Rain.
* Max Temperature........45-50 lower elevations...except 40-46
higher elevations.
* Min Humidity...........76-91 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 13 to 25 mph.
* Ridges/Upr Slopes....Breezy. Southwest winds 13 to 25 mph with
local gusts up to 40 mph.
* Mixing Height..........2900 ft AGL.
* CWR....................100 percent.
* Chance of thunder......10 percent.
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