548
WWUS46 KSEW 311650
WSWSEW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
950 AM PDT TUE MAR 31 2026
WAZ301>304-010600-
/O.NEW.KSEW.WW.Y.0013.260401T1800Z-260403T0600Z/
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 ASHFORD, MOUNT RAINIER, PARADISE, SNOQUALMIE PASS,
SR18 AT TIGER MOUNTAIN SUMMIT, LONGMIRE, WHITE PASS, CRYSTAL
MOUNTAIN, GREENWATER, MOUNT BAKER, AND STEVENS PASS
950 AM PDT TUE MAR 31 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM WEDNESDAY TO 11 PM
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 11 AM WEDNESDAY TO 11 PM 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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