316
WWUS46 KSTO 091846
WSWSTO
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1146 AM PDT THU APR 9 2026
CAZ068-069-110015-
/O.UPG.KSTO.WS.A.0002.260411T0000Z-260413T0600Z/
/O.NEW.KSTO.WS.W.0003.260411T0000Z-260413T0600Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-WEST SLOPE NORTHERN SIERRA
NEVADA-
INCLUDING THE CITIES OF QUINCY, BLUE CANYON, AND CHESTER
1146 AM PDT THU APR 9 2026
...WINTER STORM WARNING IN EFFECT ABOVE 4500 FEET FROM 5 PM FRIDAY
TO 11 PM PDT SUNDAY...
* WHAT...HEAVY SNOW. 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. WINDS COULD GUST
AS HIGH AS 50 MPH.
* WHERE...WEST SLOPE NORTHERN SIERRA NEVADA AND WESTERN PLUMAS
COUNTY/LASSEN PARK ABOVE 4500 FEET.
* WHEN...FROM 5 PM FRIDAY TO 11 PM PDT SUNDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. THE
HAZARDOUS CONDITIONS COULD IMPACT THE FRIDAY EVENING COMMUTE AND
WEEKEND MOUNTAIN TRAVEL.
* ADDITIONAL DETAILS...SNOW LEVELS GENERALLY REMAIN ABOVE PASS
LEVELS THROUGH FRIDAY AFTERNOON, DROPPING TO AROUND 6000-7000 FT
FRIDAY NIGHT-SATURDAY, THEN LOWERING TO AROUND 4000-5000 FT LATE
SATURDAY INTO SUNDAY. HEAVIEST SNOW RATES AND LOWEST SNOW LEVELS
WILL BE 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/
KH
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