Fri May  3 07:21:26 EDT 2024

Western Lassen, Eastern Plumas, and Eastern Sierra Counties-
421 AM PDT Fri May 3 2024

.TODAY...
* Sky/Weather........Sunny. 
* Max Temperature.... 
*   Valleys..........61-71. 
*   Mid Slope........59-67. 
*   24 hr trend......6 degrees warmer. 
* Min Humidity....... 
*   Valleys..........20-30%. 
*   Mid Slope........20-30%. 
*   24 hr trend......11% drier. 
* 20-Foot Winds...... 
*   Valleys/Slope....Upslope 4 to 8 mph becoming east 7 to 12 mph in 
                     the late morning and early afternoon, then 
                     shifting to the southwest late in the 
                     afternoon. 
*   Ridge Top........East winds 10 to 15 mph shifting to the 
                     southwest late in the afternoon. 
* Haines Index.......3-4. 
* LAL................1. 
* Chc Wetting Rain...0%. 
* Mixing Height......1800-2800 ft agl increasing to 5800-6800 ft 
                     agl in the afternoon. 
* Transport Winds....Southeast 10 to 15 mph. 
* Ventilation........Good increasing to very good in the afternoon. 

.TONIGHT...
* Sky/Weather........Partly cloudy then becoming mostly cloudy. 
                     Slight chance of rain after midnight. 
* Min Temperature.... 
*   Valleys..........33-43. 
*   Mid Slope........32-42. 
*   24 hr trend......6 degrees warmer. 
* Max Humidity....... 
*   Valleys..........82-92%. 
*   Mid Slope........74-84%. 
*   24 hr trend......Little change. 
* 20-Foot Winds...... 
*   Valleys/Slope....Southwest winds 9 to 14 mph increasing to south 
                     12 to 18 mph with gusts to 40 mph in the 
                     morning. 
*   Ridge Top........Southwest winds 15 to 25 mph with gusts to 55 
                     mph. 
* Haines Index.......2-3. 
* LAL................1. 
* Chc Wetting Rain...5%. 
* Mixing Height......3400-4400 ft agl decreasing to 600-1100 ft agl 
                     after midnight. 
* Transport Winds....Southwest 10 to 20 mph. 
* Ventilation........Very good decreasing to fair after midnight. 

.SATURDAY...
* Sky/Weather........Chance of rain and snow. 
* Max Temperature.... 
*   Valleys..........41-51. 
*   Mid Slope........38-48. 
* Min Humidity....... 
*   Valleys..........57-67%. 
*   Mid Slope........59-69%. 
* 20-Foot Winds...... 
*   Valleys/Slope....South winds 15 to 25 mph with gusts to 45 mph 
                     shifting to the southwest 10 to 17 mph with 
                     gusts to 30 mph late in the afternoon. 
*   Ridge Top........Southwest winds 25 to 40 mph with gusts to 75 
                     mph. 
* Haines Index.......2. 
* LAL................1. 
* Chc Wetting Rain...65%. 
* Mixing Height......1500-2000 ft agl increasing to 2300-3300 ft 
                     agl in the afternoon. 
* Transport Winds....Southwest 20 to 30 mph. 
* Ventilation........Very good. 


.Extended...
.SATURDAY NIGHT...Snow showers and a slight chance of thunderstorms
in the evening, then chance of snow after midnight. Lows 19-29. West
winds 9 to 16 mph. 
.SUNDAY...Mostly cloudy. Slight chance of snow. Highs 38-48. Lows
19-29. Southwest winds 10 to 15 mph. 
.MONDAY...Partly cloudy. Slight chance of rain. Highs 46-56. Lows
19-29. Southwest winds 10 to 20 mph. 
.TUESDAY...Clear. Highs 49-59. Lows 22-32. North winds 10 to 15 mph.
.WEDNESDAY THROUGH THURSDAY...Clear. Highs 55-65. Lows 22-32.