CAZ220-267-180100-
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 Tue Feb 17 2026
.TODAY...
* Sky/Weather............At lower elevations, rain in the morning,
then showers and a slight chance of thunderstorms in the
afternoon. At higher elevations, rain and snow...heavy at times
in the morning, then showers, heavy snow showers and a slight
chance of thunderstorms in the afternoon.
* Max Temperature........42-47 lower elevations...except 37-42
higher elevations.
* 24 HR Trend..........6 degrees cooler.
* Min Humidity...........88-96 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 13 to 25 mph with local gusts up
to 35 mph.
* Ridges/Upr Slopes....Breezy. South winds 13 to 25 mph with local
gusts up to 35 mph.
* CWR....................100 percent.
* Mixing Height..........2200 ft AGL.
* Chance of thunder......17 percent.
.TONIGHT...
* Sky/Weather............Showers with possible snow and
thunderstorms in the evening, then a chance of rain and snow
after midnight. Snow level 2500 feet in the evening.
* Min Temperature........27-32.
* 24 HR Trend..........4 degrees cooler.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 8 to 14 mph. Local gusts up
to 30 mph in the evening.
* Ridges/Upr Slopes....Southwest winds 8 to 14 mph with local gusts
up to 30 mph.
* CWR....................50 percent.
* Mixing Height..........900 ft AGL.
* Chance of thunder......10 percent.
.WEDNESDAY...
* Sky/Weather............At higher elevations, snow in the morning,
then rain and snow in the afternoon. Snow level 1500 feet
increasing to 2500 feet in the afternoon.
* Max Temperature........40-45 lower elevations...except 35-40
higher elevations.
* Min Humidity...........72-87 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 7 to 13 mph.
* Ridges/Upr Slopes....South winds 7 to 13 mph.
* Mixing Height..........2800 ft AGL.
* CWR....................40 percent.
* Chance of thunder......9 percent.
CAZ268-180100-
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 Tue Feb 17 2026
.TODAY...
* Sky/Weather............Snow...heavy at times in the morning, then
heavy snow showers and a slight chance of thunderstorms in the
afternoon.
* Max Temperature........29-34 lower elevations...except 24-30
higher elevations.
* 24 HR Trend..........7 degrees cooler.
* Min Humidity...........73-88 percent.
* 24 HR Trend..........Little change.
* 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.
* CWR....................90 percent.
* Mixing Height..........3000 ft AGL.
* Chance of thunder......14 percent.
.TONIGHT...
* Sky/Weather............Mostly cloudy with a chance of snow.
* Min Temperature........13-21 lower elevations...except 9-16
higher elevations.
* 24 HR Trend..........5 degrees cooler.
* Max Humidity...........84-99 percent...except 94-100 percent in
the high mountain valleys.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 11 to 17 mph. Local gusts up
to 35 mph in the evening.
* Ridges/Upr Slopes....Breezy. Southwest winds 16 to 28 mph with
local gusts up to 35 mph decreasing to 11 to 17 mph after
midnight.
* CWR....................40 percent.
* Mixing Height..........1000 ft AGL.
* Chance of thunder......6 percent.
.WEDNESDAY...
* Sky/Weather............Snow.
* Max Temperature........28-33 lower elevations...except 22-28
higher elevations.
* Min Humidity...........68-83 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 16 to 22 mph with local
gusts up to 35 mph.
* Ridges/Upr Slopes....Breezy. Southwest winds 16 to 22 mph with
local gusts up to 35 mph.
* Mixing Height..........2800 ft AGL.
* CWR....................30 percent.
* Chance of thunder......6 percent.
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