464  
WWUS46 KSTO 101734  
WSWSTO  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
1034 AM PDT FRI APR 10 2026  
 
CAZ068-069-111815-  
/O.CON.KSTO.WS.W.0003.260411T0000Z-260413T0600Z/  
WESTERN PLUMAS COUNTY/LASSEN PARK-WEST SLOPE NORTHERN SIERRA  
NEVADA-  
INCLUDING THE CITIES OF CHESTER, BLUE CANYON, AND QUINCY  
1034 AM PDT FRI APR 10 2026  
 
...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON  
TO 11 PM PDT SUNDAY...  
 
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS 1 TO 2 FEET  
ABOVE 4500 FEET, WITH UP TO 3 TO 4 FEET AT THE HIGHEST PEAKS.  
MINOR SNOWFALL ACCUMULATIONS OF 2 TO 4 INCHES DOWN TO 4000 FEET.  
WIND GUSTS AS HIGH AS 50 MPH.  
 
* WHERE...WEST SLOPE NORTHERN SIERRA NEVADA AND WESTERN PLUMAS  
COUNTY/LASSEN PARK COUNTIES.  
 
* WHEN...FROM 5 PM THIS AFTERNOON TO 11 PM PDT SUNDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. THE  
HAZARDOUS CONDITIONS COULD IMPACT THE THIS EVENINGS COMMUTE AND  
WEEKEND MOUNTAIN TRAVEL.  
 
* ADDITIONAL DETAILS...SNOW LEVELS GENERALLY REMAIN ABOVE PASS  
LEVELS THROUGH THIS AFTERNOON, DROPPING TO AROUND 6000-7000 FT  
TONIGHT-SATURDAY, THEN LOWERING TO AROUND 4000-5000 FT SUNDAY.  
HEAVY SNOWFALL RATES OF 1-2 INCH PER HOUR, WITH THE HEAVIEST  
SNOWFALL SATURDAY AFTERNOON THROUGH SUNDAY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
CHECK THE LATEST ROAD CONDITIONS FROM CALTRANS ONLINE AT  
QUICKMAP.DOT.CA.GOV OR DIAL 5 1 1.  
 

 
 

 
 
FOR MORE INFORMATION, VISIT US AT WWW.WEATHER.GOV/STO/  
 
JS  
 
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