709
WWUS46 KSEW 121000
WSWSEW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
300 AM PDT THU MAR 12 2026
WAZ301>304-122200-
/O.CAN.KSEW.BZ.W.0001.000000T0000Z-260312T1200Z/
/O.CON.KSEW.WS.W.0003.260312T1200Z-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 SR18 AT TIGER MOUNTAIN SUMMIT, ASHFORD, STEVENS PASS,
SILVERTON, WHITE PASS, MOUNT BAKER, SNOQUALMIE PASS, PARADISE,
CRYSTAL MOUNTAIN, MOUNT RAINIER, GREENWATER, AND LONGMIRE
300 AM PDT THU MAR 12 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY
..BLIZZARD WARNING IS CANCELLED
* WHAT...HEAVY SNOW EXPECTED BEGINNING LATER TODAY CONTINUING
THROUGH FRIDAY. TOTAL SNOW ACCUMULATIONS BETWEEN 1.5 AND 3 FEET
WITH UP TO 4 FEET POSSIBLE ON MOUNT RAINIER. WINDS GUSTING AS HIGH
AS 50 MPH THIS MORNING.
* 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
THURSDAY 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.
WAZ328-122200-
/O.CAN.KSEW.BZ.W.0001.000000T0000Z-260312T1200Z/
/O.CON.KSEW.WS.W.0003.260312T1200Z-260314T1200Z/
OLYMPICS-
INCLUDING MOUNT OLYMPUS AND HURRICANE RIDGE
300 AM PDT THU MAR 12 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY
..BLIZZARD WARNING IS CANCELLED
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 12
AND 20 INCHES. WINDS GUSTING AS HIGH AS 50 MPH THIS MORNING.
* 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.
44
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