773
WWUS46 KSEW 110120
WSWSEW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
620 PM PDT TUE MAR 10 2026
WAZ301-302-111215-
/O.CON.KSEW.BZ.W.0001.260312T0100Z-260312T1200Z/
/O.CON.KSEW.WW.Y.0008.000000T0000Z-260312T0100Z/
/O.CON.KSEW.WS.A.0003.260312T1200Z-260314T1200Z/
CASCADES OF WHATCOM AND SKAGIT COUNTIES-CASCADES OF SNOHOMISH AND
NORTHERN KING COUNTIES-
INCLUDING STEVENS PASS, SILVERTON, AND MOUNT BAKER
620 PM PDT TUE MAR 10 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT
WEDNESDAY...
...BLIZZARD WARNING REMAINS IN EFFECT FROM 6 PM WEDNESDAY TO 5 AM
PDT THURSDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT
THROUGH LATE FRIDAY NIGHT...
* WHAT...FOR THE WINTER WEATHER ADVISORY, SNOW. ADDITIONAL SNOW
ACCUMULATIONS BETWEEN 4 AND 12 INCHES. FOR THE BLIZZARD WARNING,
BLIZZARD CONDITIONS EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO 1
FOOT. WINDS GUSTING AS HIGH AS 55 MPH. FOR THE WINTER STORM WATCH,
HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 4 FEET
POSSIBLE. WINDS COULD GUST AS HIGH AS 40 MPH.
* WHERE...CASCADES OF SNOHOMISH AND NORTHERN KING COUNTIES AND
CASCADES OF WHATCOM AND SKAGIT COUNTIES.
* WHEN...FOR THE WINTER WEATHER ADVISORY, UNTIL 6 PM PDT WEDNESDAY.
FOR THE BLIZZARD WARNING, FROM 6 PM WEDNESDAY TO 5 AM PDT
THURSDAY. FOR THE WINTER STORM WATCH, FROM LATE WEDNESDAY NIGHT
THROUGH LATE FRIDAY NIGHT.
* IMPACTS...VISIBILITIES MAY DROP BELOW 1/4 MILE DUE TO FALLING AND
BLOWING SNOW. TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. STRONG
WINDS COULD CAUSE TREE DAMAGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TRAVEL SHOULD BE RESTRICTED TO EMERGENCIES ONLY. IF YOU MUST TRAVEL,
HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED, STAY WITH
YOUR VEHICLE. PREPARE FOR POSSIBLE POWER OUTAGES.
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
WAZ303-304-111215-
/O.CON.KSEW.BZ.W.0001.260312T0100Z-260312T1200Z/
/O.CON.KSEW.WW.Y.0008.000000T0000Z-260312T0100Z/
/O.CON.KSEW.WS.A.0003.260312T1200Z-260314T1200Z/
CASCADES OF SOUTHERN KING COUNTY-CASCADES OF PIERCE AND LEWIS
COUNTIES-
INCLUDING ASHFORD, MOUNT RAINIER, WHITE PASS, SNOQUALMIE PASS,
PARADISE, LONGMIRE, GREENWATER, SR18 AT TIGER MOUNTAIN SUMMIT,
AND CRYSTAL MOUNTAIN
620 PM PDT TUE MAR 10 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT
WEDNESDAY...
...BLIZZARD WARNING REMAINS IN EFFECT FROM 6 PM WEDNESDAY TO 5 AM
PDT THURSDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT
THROUGH LATE FRIDAY NIGHT...
* WHAT...FOR THE WINTER WEATHER ADVISORY, SNOW. ADDITIONAL SNOW
ACCUMULATIONS UP TO 12 TO 24 INCHES. FOR THE BLIZZARD WARNING,
BLIZZARD CONDITIONS EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO 12 TO
18 INCHES. WINDS GUSTING AS HIGH AS 55 MPH. FOR THE WINTER STORM
WATCH, HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS UP TO 2 TO 4
FEET POSSIBLE. WINDS COULD GUST AS HIGH AS 40 MPH.
* WHERE...CASCADES OF PIERCE AND LEWIS COUNTIES AND CASCADES OF
SOUTHERN KING COUNTY.
* WHEN...FOR THE WINTER WEATHER ADVISORY, UNTIL 6 PM PDT WEDNESDAY.
FOR THE BLIZZARD WARNING, FROM 6 PM WEDNESDAY TO 5 AM PDT
THURSDAY. FOR THE WINTER STORM WATCH, FROM LATE WEDNESDAY NIGHT
THROUGH LATE FRIDAY NIGHT.
* IMPACTS...VISIBILITIES MAY DROP BELOW 1/4 MILE DUE TO FALLING AND
BLOWING SNOW. TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. VERY
STRONG WINDS COULD CAUSE EXTENSIVE TREE DAMAGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TRAVEL SHOULD BE RESTRICTED TO EMERGENCIES ONLY. IF YOU MUST TRAVEL,
HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED, STAY WITH
YOUR VEHICLE. PREPARE FOR POSSIBLE POWER OUTAGES.
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
WAZ328-111215-
/O.CON.KSEW.BZ.W.0001.260312T0100Z-260312T1200Z/
/O.CON.KSEW.WS.A.0003.260312T1200Z-260314T1200Z/
OLYMPICS-
INCLUDING MOUNT OLYMPUS AND HURRICANE RIDGE
620 PM PDT TUE MAR 10 2026
...BLIZZARD WARNING REMAINS IN EFFECT FROM 6 PM WEDNESDAY TO 5 AM
PDT THURSDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT
THROUGH LATE FRIDAY NIGHT...
* WHAT...FOR THE BLIZZARD WARNING, BLIZZARD CONDITIONS EXPECTED.
TOTAL SNOW ACCUMULATIONS UP TO 6 TO 12 INCHES. WINDS GUSTING AS
HIGH AS 55 MPH. FOR THE WINTER STORM WATCH, HEAVY SNOW POSSIBLE.
TOTAL SNOW ACCUMULATIONS UP TO 1 TO 2 FEET POSSIBLE. WINDS COULD
GUST AS HIGH AS 40 MPH.
* WHERE...OLYMPICS.
* WHEN...FOR THE BLIZZARD WARNING, FROM 6 PM WEDNESDAY TO 5 AM PDT
THURSDAY. FOR THE WINTER STORM WATCH, FROM LATE WEDNESDAY NIGHT
THROUGH LATE FRIDAY NIGHT.
* IMPACTS...VISIBILITIES MAY DROP BELOW 1/4 MILE DUE TO FALLING AND
BLOWING SNOW. TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. VERY
STRONG WINDS COULD CAUSE EXTENSIVE TREE DAMAGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TRAVEL SHOULD BE RESTRICTED TO EMERGENCIES ONLY. IF YOU MUST TRAVEL,
HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED, STAY WITH
YOUR VEHICLE. PREPARE FOR POSSIBLE POWER OUTAGES.
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
33
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page