494
WWUS46 KSEW 091235
WSWSEW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
535 AM PDT MON MAR 9 2026
WAZ301-302-092230-
/O.CON.KSEW.WS.W.0002.000000T0000Z-260310T1200Z/
/O.CON.KSEW.WS.A.0003.260311T1200Z-260313T1800Z/
CASCADES OF WHATCOM AND SKAGIT COUNTIES-CASCADES OF SNOHOMISH AND
NORTHERN KING COUNTIES-
INCLUDING MOUNT BAKER AND STEVENS PASS
535 AM PDT MON MAR 9 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT TUESDAY
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH FRIDAY MORNING...
* WHAT...FOR THE WINTER STORM WARNING, HEAVY SNOW EXPECTED.
ADDITIONAL ACCUMULATIONS OF 6 TO 12 INCHES. TOTAL NEW SNOW
ACCUMULATIONS BETWEEN 12 AND 18 INCHES. WINDS GUSTING AS HIGH AS
35 MPH. FOR THE WINTER STORM WATCH, HEAVY SNOW POSSIBLE. TOTAL
SNOW ACCUMULATIONS BETWEEN 2 AND 4 FEET POSSIBLE. WINDS COULD GUST
AS HIGH AS 45 MPH ON WEDNESDAY.
* WHERE...CASCADES OF SNOHOMISH AND NORTHERN KING COUNTIES AND
CASCADES OF WHATCOM AND SKAGIT COUNTIES.
* WHEN...FOR THE WINTER STORM WARNING, UNTIL 5 AM PDT TUESDAY. FOR
THE WINTER STORM WATCH, FROM LATE TUESDAY NIGHT THROUGH FRIDAY
MORNING.
* IMPACTS...SNOW-COVERED ROADS MAY MAKE TRAVEL CONDITIONS DIFFICULT
TO IMPOSSIBLE AT TIMES THROUGH THE MOUNTAINS AND CAUSE DELAYS.
TEMPORARY ROAD CLOSURES POSSIBLE. GUSTY WINDS MAY LIMIT VISIBILITY
AT TIMES AND DOWN TREE BRANCHES.
* ADDITIONAL DETAILS...LOWER ELEVATIONS UP TO AND INCLUDING
SNOQUALMIE PASS MAY TRANSITION OVER TO RAIN LATE WEDNESDAY AS SNOW
LEVELS BRIEFLY RISE BEFORE LOWERING AGAIN THURSDAY.
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.
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
WAZ303-304-092230-
/O.CON.KSEW.WW.Y.0008.000000T0000Z-260311T0000Z/
/O.CON.KSEW.WS.A.0003.260311T1200Z-260313T1800Z/
CASCADES OF SOUTHERN KING COUNTY-CASCADES OF PIERCE AND LEWIS
COUNTIES-
INCLUDING CRYSTAL MOUNTAIN, MOUNT RAINIER, SNOQUALMIE PASS, WHITE
PASS, PARADISE, SR18 AT TIGER MOUNTAIN SUMMIT, LONGMIRE,
GREENWATER, AND ASHFORD
535 AM PDT MON MAR 9 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
TUESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH FRIDAY MORNING...
* WHAT...FOR THE WINTER WEATHER ADVISORY, SNOW EXPECTED. TOTAL SNOW
ACCUMULATIONS BETWEEN 4 AND 8 INCHES. WINDS GUSTING AS HIGH AS 35
MPH. FOR THE WINTER STORM WATCH, HEAVY SNOW POSSIBLE. TOTAL SNOW
ACCUMULATIONS BETWEEN 2 AND 4 FT POSSIBLE. WINDS COULD GUST AS
HIGH AS 45 MPH ON WEDNESDAY.
* WHERE...CASCADES OF PIERCE AND LEWIS COUNTIES AND CASCADES OF
SOUTHERN KING COUNTY.
* WHEN...FOR THE WINTER WEATHER ADVISORY, UNTIL 5 PM PDT TUESDAY.
FOR THE WINTER STORM WATCH, FROM LATE TUESDAY NIGHT THROUGH FRIDAY
MORNING.
* IMPACTS...SNOW-COVERED ROADS MAY MAKE TRAVEL CONDITIONS DIFFICULT
TO IMPOSSIBLE AT TIMES THROUGH THE MOUNTAINS AND CAUSE DELAYS.
TEMPORARY ROAD CLOSURES POSSIBLE. GUSTY WINDS MAY LIMIT VISIBILITY
AT TIMES AND DOWN TREE BRANCHES.
* ADDITIONAL DETAILS...LOWER ELEVATIONS UP TO AND INCLUDING
SNOQUALMIE PASS MAY TRANSITION OVER TO RAIN LATE WEDNESDAY AS SNOW
LEVELS BRIEFLY RISE BEFORE LOWERING AGAIN THURSDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
WAZ306-092230-
/O.CON.KSEW.WW.Y.0008.000000T0000Z-260310T1800Z/
FOOTHILLS AND VALLEYS OF SNOHOMISH AND NORTHERN KING COUNTIES-
INCLUDING SKYKOMISH, DUVALL, LAKE ROESIGER, AND MONROE
535 AM PDT MON MAR 9 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT
TUESDAY...
* WHAT...SNOW EXPECTED. NEW SNOW ACCUMULATIONS UP TO 1 TO 4 INCHES.
MOST OF THE SNOW WILL FALL IN THE LATE NIGHT AND MORNING HOURS.
* WHERE...FOOTHILLS AND VALLEYS OF SNOHOMISH AND NORTHERN KING
COUNTIES.
* WHEN...UNTIL 11 AM PDT TUESDAY.
* IMPACTS...SNOW-COVERED ROADS MAY MAKE TRAVEL CONDITIONS DIFFICULT
AT TIMES AND CAUSE DELAYS. TEMPORARY ROAD CLOSURES POSSIBLE.
* ADDITIONAL DETAILS...HIGHEST AMOUNTS WILL BE IN THE HIGHEST
ELEVATIONS CLOSEST TO THE MOUNTAINS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
WAZ326-327-092230-
/O.CON.KSEW.WW.Y.0008.000000T0000Z-260310T1800Z/
WESTERN STRAIT OF JUAN DE FUCA-LAKE CRESCENT AREA INCLUDING US
101-
INCLUDING JOYCE, LAKE CRESCENT, SEKIU, AND CLALLAM BAY
535 AM PDT MON MAR 9 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT
TUESDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO 1 TO 4 INCHES
EACH MORNING.
* WHERE...LAKE CRESCENT AREA INCLUDING US 101 AND WESTERN STRAIT OF
JUAN DE FUCA.
* WHEN...UNTIL 11 AM PDT TUESDAY.
* IMPACTS...SNOW-COVERED ROADS MAY MAKE TRAVEL CONDITIONS DIFFICULT
AT TIMES AND CAUSE DELAYS. TEMPORARY ROAD CLOSURES POSSIBLE.
* ADDITIONAL DETAILS...DAYTIME TEMPERATURES ABOVE FREEZING WILL HELP
TO LIMIT SNOW ACCUMULATION DURING THE DAY AND MELT ANY SNOW ON THE
GROUND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
WAZ328-092230-
/O.CON.KSEW.WS.A.0003.260311T0000Z-260313T1800Z/
OLYMPICS-
INCLUDING HURRICANE RIDGE
535 AM PDT MON MAR 9 2026
...WINTER STORM WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH FRIDAY MORNING...
* WHAT...HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS BETWEEN 2 AND
4 FEET POSSIBLE. WINDS COULD GUST AS HIGH AS 45 MPH ON WEDNESDAY.
* WHERE...OLYMPICS.
* WHEN...FROM TUESDAY AFTERNOON THROUGH FRIDAY MORNING.
* IMPACTS...SNOW-COVERED ROADS MAY MAKE TRAVEL CONDITIONS DIFFICULT
TO IMPOSSIBLE AT TIMES THROUGH THE MOUNTAINS AND CAUSE DELAYS.
TEMPORARY ROAD CLOSURES POSSIBLE. GUSTY WINDS MAY LIMIT VISIBILITY
AT TIMES AND DOWN TREE BRANCHES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
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