CAZ268-220100-
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 Sun Dec 21 2025

.TODAY...
* Sky/Weather............Heavy showers in the morning, then heavy
  showers and a slight chance of thunderstorms in the afternoon.
* Max Temperature........44-51.
*   24 HR Trend..........Little change.
* Min Humidity...........86-100 percent.
*   24 HR Trend..........5 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Windy. Southwest winds 19 to 31 mph with
    local gusts up to 50 mph.
*   Ridges/Upr Slopes....Windy. Southwest winds 19 to 31 mph with
    local gusts up to 55 mph.
* CWR....................100 percent.
* Mixing Height..........3800 ft AGL.
* Chance of thunder......20 percent.

.TONIGHT...
* Sky/Weather............At lower elevations, heavy showers and a
  slight chance of thunderstorms. At higher elevations, showers and
  a slight chance of thunderstorms in the evening, then showers,
  snow showers and a slight chance of thunderstorms 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...Breezy. Southwest winds 17 to 29 mph with
    local gusts up to 45 mph.
*   Ridges/Upr Slopes....Windy. Southwest winds 17 to 29 mph with
    local gusts up to 50 mph.
* CWR....................90 percent.
* Mixing Height..........2300 ft AGL.
* Chance of thunder......22 percent.

.MONDAY...
* Sky/Weather............Showers at lower elevations....and showers
  and snow showers at higher elevations.
* Max Temperature........43-48 lower elevations...except 38-44
  higher elevations.
* Min Humidity...........77-92 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Southwest winds 9 to 15 mph.
*   Ridges/Upr Slopes....Southwest winds 9 to 15 mph with local gusts
    up to 30 mph.
* Mixing Height..........2300 ft AGL.
* CWR....................60 percent.
* Chance of thunder......6 percent.