CAZ268-191215-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-
137 PM PST Thu Dec 18 2025
.REST OF TODAY...
* Sky/Weather............Partly cloudy with a chance of showers.
* Max Temperature........49-54 lower elevations...except 43-49
higher elevations.
* 24 HR Trend..........MISSING.
* Min Humidity...........63-78 percent.
* 24 HR Trend..........MISSING.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 6 to 12 mph with local gusts
up to 25 mph.
* Ridges/Upr Slopes....Southwest winds 13 to 19 mph with local
gusts up to 30 mph.
* CWR....................0 percent.
* Mixing Height..........1500 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly cloudy. A slight chance of showers
in the evening, then a chance of showers after midnight.
* Min Temperature........33-41.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........10 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 15 to 27 mph with local
gusts up to 35 mph.
* Ridges/Upr Slopes....Breezy. Southwest winds 15 to 27 mph with
local gusts up to 40 mph.
* CWR....................10 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......1 percent.
.FRIDAY...
* Sky/Weather............Rain showers.
* Max Temperature........40-48.
* Min Humidity...........78-93 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 13 to 25 mph with local
gusts up to 35 mph.
* Ridges/Upr Slopes....Windy. Southwest winds 18 to 30 mph
decreasing to 16 to 22 mph in the afternoon. Local gusts up to
40 mph.
* Mixing Height..........1200 ft AGL.
* CWR....................90 percent.
* Chance of thunder......11 percent.
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