Mon May 20 16:13:32 EDT 2024 Northern Sierra Including Lassen NP and Plumas and Lassen NF/S West of the Sierra Crest (West of Evans Peak-Grizzly Peak- Beckworth Peak)- 113 PM PDT Mon May 20 2024 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........38-47 lower elevations...except 33-41 higher elevations. * 24 HR Trend..........Little change. * Max Humidity...........36-51 percent...except 50-55 percent in the high mountain valleys. * 24 HR Trend..........15 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 10 to 16 mph with local gusts up to 25 mph. * Ridges/Upr Slopes....Northeast winds 10 to 16 mph. * LAL....................1. * CWR....................0 percent. .TUESDAY... * Sky/Weather............Sunny. * Max Temperature........67-73 lower elevations...except 59-67 higher elevations. * 24 HR Trend..........5 degrees warmer. * Min Humidity...........14-19 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 7 to 13 mph. * Ridges/Upr Slopes....Northeast winds 7 to 13 mph. * LAL....................1. * CWR....................0 percent. .TUESDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........38-50. * Max Humidity...........53-68 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds 6 to 12 mph shifting to the northeast up to 8 mph after midnight. * Ridges/Upr Slopes....Northwest winds 6 to 12 mph. * LAL....................1. * CWR....................0 percent. .WEDNESDAY... * Sky/Weather............Sunny. * Max Temperature........65-71 lower elevations...except 57-65 higher elevations. * Min Humidity...........26-41 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds 7 to 13 mph. * Ridges/Upr Slopes....West winds 7 to 13 mph. Local gusts up to 25 mph in the afternoon. * LAL....................1. * CWR....................0 percent.