300
WWUS46 KSEW 131247
WSWSEW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
547 AM PDT FRI MAR 13 2026
WAZ301>304-132100-
/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 GREENWATER, PARADISE, MOUNT BAKER, SNOQUALMIE PASS,
STEVENS PASS, SR18 AT TIGER MOUNTAIN SUMMIT, ASHFORD, WHITE PASS,
MOUNT RAINIER, LONGMIRE, AND CRYSTAL MOUNTAIN
547 AM PDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY
* WHAT...HEAVY SNOW EXPECTED. ADDITIONAL SNOW ACCUMULATIONS BETWEEN
12 TO 20 INCHES WITH UP TO 3 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.
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.
WAZ328-132100-
/O.CON.KSEW.WS.W.0003.000000T0000Z-260314T1200Z/
OLYMPICS-
INCLUDING HURRICANE RIDGE
547 AM PDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY
* WHAT...HEAVY SNOW EXPECTED. ADDITIONAL SNOW ACCUMULATIONS BETWEEN
3 TO 5 INCHES.
* WHERE...OLYMPICS.
* WHEN...UNTIL 5 AM PDT SATURDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE.
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.
MGF
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