CAZ268-162200-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-
153 PM PST Mon Dec 15 2025

.TONIGHT...
* Sky/Weather............Partly cloudy with a chance of showers in
  the evening, then mostly cloudy with a slight chance of showers
  after midnight.
* Min Temperature........37-47.
*   24 HR Trend..........Little change.
* Max Humidity...........81-96 percent...except 95-100 percent in
  the high mountain valleys.
*   24 HR Trend..........31 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Drainage winds up to 5 mph becoming
    southeast up to 7 mph after midnight.
*   Ridges/Upr Slopes....Southwest winds 5 to 11 mph.
* CWR....................10 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......0 percent.

.TUESDAY...
* Sky/Weather............Mostly cloudy. Patchy fog in the morning.
  A slight chance of showers in the morning, then a chance of
  showers in the afternoon.
* Max Temperature........52-57 lower elevations...except 47-53
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........72-87 percent.
*   24 HR Trend..........43 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Southwest winds 4 to 10 mph.
*   Ridges/Upr Slopes....Southwest winds 4 to 10 mph.
* CWR....................30 percent.
* Mixing Height..........1300 ft AGL.
* Chance of thunder......2 percent.

.TUESDAY NIGHT...
* Sky/Weather............Rain showers.
* Min Temperature........39-47.
* Max Humidity...........83-98 percent...except 95-100 percent in
  the high mountain valleys.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...South winds 9 to 15 mph with local gusts up
    to 30 mph.
*   Ridges/Upr Slopes....Breezy. Southwest winds 13 to 19 mph
    increasing to 17 to 29 mph after midnight. Local gusts up to 40
    mph.
* Mixing Height..........600 ft AGL.
* CWR....................80 percent.
* Chance of thunder......12 percent.

.WEDNESDAY...
* Sky/Weather............Rain showers.
* Max Temperature........47-52 lower elevations...except 42-48
  higher elevations.
* Min Humidity...........74-89 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Southwest winds 8 to 14 mph.
*   Ridges/Upr Slopes....Breezy. Southwest winds 15 to 27 mph
    decreasing to 9 to 15 mph in the afternoon. Local gusts up to
    35 mph.
* Mixing Height..........1800 ft AGL.
* CWR....................40 percent.
* Chance of thunder......12 percent.