674
WWUS46 KSEW 132121
WSWSEW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
221 PM PDT FRI MAR 13 2026
WAZ328-132230-
/O.CAN.KSEW.WS.W.0003.000000T0000Z-260314T1200Z/
OLYMPICS-
INCLUDING HURRICANE RIDGE
221 PM PDT FRI MAR 13 2026
..WINTER STORM WARNING IS CANCELLED
THE HEAVY SNOW HAS MOVED OUT OF THE AREA. ADDITIONAL SNOW SHOWERS
WILL BE LIGHT AND ARE NOT EXPECTED TO PRODUCE SIGNIFICANT IMPACTS
FOR THE OLYMPICS. THEREFORE THE WARNING IS CANCELLED.
WAZ301>304-140415-
/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 SNOQUALMIE PASS, STEVENS PASS, MOUNT BAKER, WHITE PASS,
ASHFORD, MOUNT RAINIER, GREENWATER, CRYSTAL MOUNTAIN, LONGMIRE,
PARADISE, AND SR18 AT TIGER MOUNTAIN SUMMIT
221 PM PDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 6 TO 10
INCHES.
* 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 AND EVENING.
* ADDITIONAL DETAILS...WIDESPREAD SNOW WILL WRAP UP THIS EVENING. A
CONVERGENCE ZONE WILL PRODUCE ADDITIONAL BANDS OF SNOW IN THE
CASCADES THROUGH THE FIRST PART OF SATURDAY.
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.
WAZ306-140415-
/O.EXB.KSEW.WW.Y.0009.000000T0000Z-260314T1800Z/
FOOTHILLS AND VALLEYS OF SNOHOMISH AND NORTHERN KING COUNTIES-
INCLUDING LAKE ROESIGER, DUVALL, SKYKOMISH, AND MONROE
221 PM PDT FRI MAR 13 2026
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM PDT SATURDAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO ONE TO TWO INCHES.
* WHERE...FOOTHILLS AND VALLEYS OF SNOHOMISH AND NORTHERN KING
COUNTIES.
* WHEN...UNTIL 11 AM PDT SATURDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS
CONDITIONS COULD IMPACT THE FRIDAY EVENING COMMUTE.
* ADDITIONAL DETAILS...WIDESPREAD SNOW WILL WRAP UP THIS EVENING. A
CONVERGENCE ZONE WILL PRODUCE ADDITIONAL BANDS OF SNOW IN THE
FOOTHILLS OF THE CASCADES THROUGH THE FIRST PART OF SATURDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
WAZ307-140415-
/O.EXT.KSEW.WW.Y.0009.000000T0000Z-260314T1800Z/
FOOTHILLS AND VALLEYS OF CENTRAL KING COUNTY-
INCLUDING FALL CITY, CARNATION, NORTH BEND, COUGAR MOUNTAIN, AND
MIRRORMONT
221 PM PDT FRI MAR 13 2026
..WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM PDT SATURDAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO TWO INCHES.
* WHERE...FOOTHILLS AND VALLEYS OF CENTRAL KING COUNTY.
* WHEN...UNTIL 11 AM PDT SATURDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL
LIKELY BECOME SLICK AND HAZARDOUS. PLAN ON SLIPPERY ROAD
CONDITIONS. THE HAZARDOUS CONDITIONS COULD IMPACT THE FRIDAY
EVENING COMMUTE.
* ADDITIONAL DETAILS...WIDESPREAD SNOW WILL WRAP UP THIS EVENING. A
CONVERGENCE ZONE WILL PRODUCE ADDITIONAL BANDS OF SNOW IN THE
FOOTHILLS OF THE CASCADES THROUGH THE FIRST PART OF SATURDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
WAZ308-140415-
/O.EXT.KSEW.WW.Y.0009.000000T0000Z-260314T1800Z/
FOOTHILLS AND VALLEYS OF PIERCE AND SOUTHERN KING COUNTIES-
INCLUDING ENUMCLAW, MAPLE VALLEY, SOUTH HILL, EATONVILLE, GRAHAM,
AND BONNEY LAKE
221 PM PDT FRI MAR 13 2026
..WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM PDT SATURDAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO ONE TO TWO INCHES.
* WHERE...FOOTHILLS AND VALLEYS OF PIERCE AND SOUTHERN KING COUNTIES.
* WHEN...UNTIL 11 AM PDT SATURDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS
CONDITIONS COULD IMPACT THE FRIDAY EVENING COMMUTE.
* ADDITIONAL DETAILS...WIDESPREAD SNOW WILL WRAP UP THIS EVENING. A
CONVERGENCE ZONE WILL PRODUCE ADDITIONAL BANDS OF SNOW IN THE
FOOTHILLS OF THE CASCADES THROUGH THE FIRST PART OF SATURDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
HPR
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