Thu May 2 16:07:01 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)- 106 PM PDT Thu May 2 2024 .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........34-42 lower elevations...except 29-36 higher elevations. * 24 HR Trend..........Little change. * Max Humidity...........70-85 percent...except 82-94 percent in the high mountain valleys. * 24 HR Trend..........12 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northwest winds 8 to 14 mph shifting to the northeast 5 to 11 mph after midnight. * Ridges/Upr Slopes....West winds 9 to 15 mph shifting to the northeast 7 to 13 mph after midnight. * LAL....................1. * CWR....................0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........63-70 lower elevations...except 56-63 higher elevations. * 24 HR Trend..........4 degrees warmer. * Min Humidity...........26-39 percent. * 24 HR Trend..........11 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 6 to 12 mph shifting to the southwest in the afternoon. * Ridges/Upr Slopes....East winds 7 to 13 mph shifting to the southwest 8 to 14 mph in the afternoon. * LAL....................1. * CWR....................0 percent. .FRIDAY NIGHT... * Sky/Weather............Partly cloudy early in the evening then becoming mostly cloudy. A chance of showers after midnight. * Min Temperature........36-41 lower elevations...except 31-37 higher elevations. * Max Humidity...........87-100 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 12 to 18 mph with local gusts up to 30 mph. * Ridges/Upr Slopes....Windy. Southwest winds 15 to 21 mph increasing to south 21 to 33 mph after midnight. * LAL....................1. * CWR....................20 percent. .SATURDAY... * Sky/Weather............At higher elevations, heavy showers and heavy snow showers in the morning, then heavy snow showers, showers and a slight chance of thunderstorms in the afternoon. Snow level 5500 feet in the afternoon. * Max Temperature........43-49 lower elevations...except 36-42 higher elevations. * Min Humidity...........71-86 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Windy. Southwest winds 19 to 31 mph with local gusts up to 40 mph. * Ridges/Upr Slopes....Windy. Southwest winds 19 to 31 mph with local gusts up to 45 mph. * LAL....................1 increasing to 2 late in the morning. * CWR....................90 percent.