457  
WWUS46 KOTX 010257  
WSWOTX  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SPOKANE WA  
757 PM PDT TUE MAR 31 2026  
 
WAZ038-011900-  
/O.EXB.KOTX.WW.Y.0018.260401T1200Z-260402T1800Z/  
OKANOGAN HIGHLANDS-  
INCLUDING THE CITIES OF SHERMAN PASS, BOULDER CREEK ROAD, HIGHWAY  
20 WAUCONDA SUMMIT, AND CHESAW ROAD  
757 PM PDT TUE MAR 31 2026  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM WEDNESDAY TO 11 AM  
PDT THURSDAY ABOVE 4000 FEET...  
 
* WHAT...SNOW EXPECTED ABOVE 4000 FEET. TOTAL SNOW ACCUMULATIONS  
BETWEEN 3 AND 8 INCHES.  
 
* WHERE...SHERMAN PASS, BOULDER CREEK ROAD, HIGHWAY 20 WAUCONDA  
SUMMIT, AND CHESAW ROAD.  
 
* WHEN...FROM 5 AM WEDNESDAY TO 11 AM PDT THURSDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.  
 
* ADDITIONAL DETAILS...LIGHT SNOW IS EXPECTED ON WEDNESDAY WITH  
AREAS OF SLICK DRIVING CONDITIONS IN THE MORNING OVER THE MOUNTAIN  
PASSES. SNOW WILL INCREASE WEDNESDAY EVENING WITH WINTER TRAVEL  
CONDITIONS THROUGH THE NIGHT INTO EARLY THURSDAY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST TRAVEL  
INFORMATION IN WASHINGTON, GO TO HTTPS://WSDOT.WA.GOV/TRAVEL  
 

 
 

 
 
WAZ049-011900-  
/O.EXB.KOTX.WW.Y.0018.260401T1200Z-260402T1800Z/  
WESTERN OKANOGAN COUNTY-  
INCLUDING THE CITIES OF LOUP LOUP PASS  
757 PM PDT TUE MAR 31 2026  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM WEDNESDAY TO 11 AM  
PDT THURSDAY ABOVE 3000 FEET...  
 
* WHAT...SNOW EXPECTED ABOVE 3000 FEET. TOTAL SNOW ACCUMULATIONS  
BETWEEN 3 AND 8 INCHES.  
 
* WHERE...LOUP LOUP PASS, WASHINGTON PASS.  
 
* WHEN...FROM 5 AM WEDNESDAY TO 11 AM PDT THURSDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.  
 
* ADDITIONAL DETAILS...LIGHT SNOW IS EXPECTED ON WEDNESDAY ABOVE  
3000 TO 4000 FEET WITH AREAS OF SLICK DRIVING CONDITIONS IN THE  
MORNING. SNOW WILL INCREASE WEDNESDAY EVENING WITH WINTER TRAVEL  
CONDITIONS THROUGH THE NIGHT INTO EARLY THURSDAY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST TRAVEL  
INFORMATION IN WASHINGTON, GO TO HTTPS://WSDOT.WA.GOV/TRAVEL  
 

 
 

 
 
WAZ048-011900-  
/O.EXT.KOTX.WW.Y.0018.260401T1200Z-260402T1800Z/  
WESTERN CHELAN COUNTY-  
INCLUDING THE CITIES OF HOLDEN VILLAGE AND STEVENS PASS  
757 PM PDT TUE MAR 31 2026  
 
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 5 AM WEDNESDAY TO 11  
AM PDT THURSDAY ABOVE 3000 FEET...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 3 TO 9  
INCHES ABOVE 3000 FEET.  
 
* WHERE...HOLDEN VILLAGE AND STEVENS PASS.  
 
* WHEN...FROM 5 AM WEDNESDAY TO 11 AM PDT THURSDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.  
 
* ADDITIONAL DETAILS...LIGHT SNOW IS EXPECTED ON WEDNESDAY ABOVE  
3000 TO 4000 FEET WITH AREAS OF SLICK DRIVING CONDITIONS IN THE  
MORNING. SNOW WILL INCREASE WEDNESDAY EVENING WITH WINTER TRAVEL  
CONDITIONS THROUGH THE NIGHT INTO EARLY THURSDAY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST TRAVEL  
INFORMATION IN WASHINGTON, GO TO HTTPS://WSDOT.WA.GOV/TRAVEL  
 

 
 

 
 
JW  
 
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