353  
WWUS46 KSTO 141907  
WSWSTO  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
1207 PM PDT TUE OCT 14 2025  
 
CAZ069-151100-  
/O.CON.KSTO.WS.W.0010.000000T0000Z-251015T1200Z/  
WEST SLOPE NORTHERN SIERRA NEVADA-  
INCLUDING THE CITIES OF BLUE CANYON  
1207 PM PDT TUE OCT 14 2025  
   
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT WEDNESDAY
 
 
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS 12 TO 18 INCHES.  
HEAVIEST SNOW ACCUMULATIONS SOUTH OF I-80.  
 
* WHERE...CENTRAL SIERRA MAINLY SOUTH OF I-80.  
 
* WHEN...UNTIL 5 AM PDT WEDNESDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT.  
 
* ADDITIONAL DETAILS...SNOW LEVELS WILL BE 5500 TO 6500 FEET, WITH  
HEAVIEST SNOW ACCUMULATION EXPECTED OFF AND ON THIS EVENING AND  
OVERNIGHT...DECREASING QUICKLY BY SUNRISE WEDNESDAY.  
 
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/  
 
WR  
 
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