942
WWUS46 KSTO 132022
WSWSTO
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
122 PM PDT MON OCT 13 2025
CAZ068-142300-
/O.CON.KSTO.WS.W.0010.000000T0000Z-251015T1200Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-
INCLUDING THE CITIES OF QUINCY AND CHESTER
122 PM PDT MON OCT 13 2025
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT WEDNESDAY
* WHAT...SNOW EXPECTED ABOVE 6500 FEET. TOTAL SNOW ACCUMULATIONS
BETWEEN 4 AND 8 INCHES.
* WHERE...WESTERN PLUMAS COUNTY/LASSEN PARK.
* WHEN...UNTIL 5 AM PDT WEDNESDAY.
* IMPACTS...PLAN FOR SLIPPERY ROAD CONDITIONS. HAZARDOUS ROAD
CONDITIONS ARE EXPECTED TO IMPACT THE MONDAY AND TUESDAY COMMUTES.
* ADDITIONAL DETAILS...SNOW LEVELS WILL BE 5500 TO 6500 FEET, WITH
HEAVIEST SNOW ACCUMULATION EXPECTED THIS AFTERNOON TO LATE
EVENING, HIGHEST IN THE LASSEN PARK AREA. SNOW ACCUMULATIONS MAY
BE AFFECTED BY DIURNAL TRENDS AND SUN ANGLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
CHECK THE LATEST ROAD CONDITIONS FROM CALTRANS ONLINE AT
QUICKMAP.DOT.CA.GOV OR DIAL 5 1 1.
CAZ069-142300-
/O.CON.KSTO.WS.W.0010.000000T0000Z-251015T1200Z/
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITIES OF BLUE CANYON
122 PM PDT MON OCT 13 2025
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT WEDNESDAY
* WHAT...SNOW EXPECTED ABOVE 6500 FEET. TOTAL SNOW ACCUMULATIONS OF
4 TO 8 INCHES ALONG THE I-80 AND HIGHWAY 50 CORRIDORS. 1-2 FEET OF
SNOW SOUTH OF HIGHWAY 50.
* WHERE...WEST SLOPE NORTHERN SIERRA NEVADA.
* WHEN...UNTIL 5 AM PDT WEDNESDAY.
* IMPACTS...PLAN FOR SLIPPERY ROAD CONDITIONS. HAZARDOUS ROAD
CONDITIONS ARE EXPECTED TO IMPACT THE MONDAY AND TUESDAY COMMUTES.
* ADDITIONAL DETAILS...SNOW LEVELS WILL BE 5500 TO 6500 FEET, WITH
HEAVIEST SNOW ACCUMULATION EXPECTED LATE TONIGHT INTO TUESDAY.
SNOW ACCUMULATIONS MAY BE AFFECTED BY DIURNAL TRENDS AND SUN ANGLE.
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/
IDS
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