455
WWUS46 KSEW 122146
WSWSEW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
246 PM PDT THU MAR 12 2026
WAZ301>304-130615-
/O.CON.KSEW.WS.W.0003.000000T0000Z-260314T1200Z/
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 STEVENS PASS, ASHFORD, WHITE PASS, SNOQUALMIE PASS,
SR18 AT TIGER MOUNTAIN SUMMIT, GREENWATER, MOUNT BAKER, LONGMIRE,
MOUNT RAINIER, PARADISE, AND CRYSTAL MOUNTAIN
246 PM PDT THU MAR 12 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY
* WHAT...HEAVY SNOW EXPECTED BEGINNING LATER TODAY CONTINUING
THROUGH FRIDAY. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 3 FEET WITH
UP TO 4 FEET POSSIBLE ON MOUNT RAINIER.
* 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...UNTIL 5 AM PDT SATURDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE ESPECIALLY
THIS AFTERNOON THROUGH FRIDAY EVENING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY. PREPARE FOR POSSIBLE POWER
OUTAGES.
WAZ328-130615-
/O.CON.KSEW.WS.W.0003.000000T0000Z-260314T1200Z/
OLYMPICS-
INCLUDING HURRICANE RIDGE
246 PM PDT THU MAR 12 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 12
AND 20 INCHES.
* WHERE...OLYMPICS.
* WHEN...UNTIL 5 AM PDT SATURDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY. PREPARE FOR POSSIBLE POWER
OUTAGES.
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