847
WWUS46 KSEW 010250
WSWSEW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
750 PM PDT TUE MAR 31 2026
WAZ301>304-011200-
/O.EXT.KSEW.WW.Y.0013.260401T1200Z-260402T1800Z/
CASCADES OF WHATCOM AND SKAGIT COUNTIES-CASCADES OF SNOHOMISH AND
NORTHERN KING COUNTIES-CASCADES OF SOUTHERN KING COUNTY-CASCADES
OF PIERCE AND LEWIS COUNTIES-
INCLUDING GREENWATER, SNOQUALMIE PASS, LONGMIRE, MOUNT RAINIER,
MOUNT BAKER, WHITE PASS, ASHFORD, PARADISE, SR18 AT TIGER
MOUNTAIN SUMMIT, STEVENS PASS, AND CRYSTAL MOUNTAIN
750 PM PDT TUE MAR 31 2026
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 5 AM WEDNESDAY TO 11
AM PDT THURSDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES,
WITH LOCALLY HIGHER AMOUNTS OVER THE HIGHER PEAKS.
* WHERE...CASCADES OF SNOHOMISH AND NORTHERN KING COUNTIES, CASCADES
OF WHATCOM AND SKAGIT COUNTIES, CASCADES OF PIERCE AND LEWIS
COUNTIES, AND CASCADES OF SOUTHERN KING COUNTY.
* WHEN...FROM 5 AM WEDNESDAY TO 11 AM PDT THURSDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT.
* ADDITIONAL DETAILS...ACCUMULATIONS EXPECTED GENERALLY ABOVE 3000
FEET.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
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