CAZ268-192300-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-
222 PM PDT Wed Mar 18 2026

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........43-53.
*   24 HR Trend..........Little change.
* Max Humidity...........41-56 percent...except 61-73 percent in
  the high mountain valleys.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...South winds up to 8 mph shifting to the east
    4 to 9 mph after midnight.
*   Ridges/Upr Slopes....Southwest winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......0 percent.

.THURSDAY...
* Sky/Weather............Sunny.
* Max Temperature........76-82 lower elevations...except 69-77
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........16-23 percent.
*   24 HR Trend..........9 percent down.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...East winds 4 to 9 mph shifting to the west
    in the afternoon.
*   Ridges/Upr Slopes....Southwest winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........3600 ft AGL.
* Chance of thunder......0 percent.

.THURSDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........46-56.
* Max Humidity...........38-53 percent...except 53-68 percent in
  the high mountain valleys.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Northwest winds up to 8 mph shifting to the
    northeast 4 to 10 mph after midnight.
*   Ridges/Upr Slopes....Northwest winds 5 to 11 mph shifting to the
    northeast 4 to 10 mph after midnight.
* Mixing Height..........300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.

.FRIDAY...
* Sky/Weather............Sunny.
* Max Temperature........76-82 lower elevations...except 70-78
  higher elevations.
* Min Humidity...........13-26 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Northeast winds 5 to 11 mph shifting to the
    west 4 to 9 mph in the afternoon.
*   Ridges/Upr Slopes....Northeast winds 4 to 10 mph shifting to the
    west 6 to 12 mph in the afternoon.
* Mixing Height..........6100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.