009
WWUS46 KSEW 171952
WSWSEW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1152 AM PST WED DEC 17 2025
WAZ301>304-180600-
/O.EXP.KSEW.BZ.W.0001.000000T0000Z-251217T2000Z/
/O.NEW.KSEW.WW.Y.0024.251217T2000Z-251218T1800Z/
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 CRYSTAL MOUNTAIN, ASHFORD, STEVENS PASS, SNOQUALMIE
PASS, LONGMIRE, SR18 AT TIGER MOUNTAIN SUMMIT, MOUNT BAKER,
GREENWATER, MOUNT RAINIER, WHITE PASS, SILVERTON, AND PARADISE
1152 AM PST WED DEC 17 2025
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THURSDAY
..BLIZZARD WARNING WILL EXPIRE AT NOON PST TODAY
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO 5 TO 10
INCHES. WINDS MAY GUST UP TO 35 MPH THIS AFTERNOON.
* 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 10 AM PST THURSDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. STRONG WINDS COULD CAUSE
TREE DAMAGE.
* ADDITIONAL DETAILS...SNOW LEVELS WILL INCREASE THURSDAY MORNING TO
AROUND 6000 FEET, WHICH COULD BRING A BRIEF PERIOD OF FREEZING
RAIN. CONFIDENCE IS LOW FOR FREEZING RAIN, BUT THE POTENTIAL
EXISTS FOR LIGHT ACCUMULATIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
WAZ328-172100-
/O.EXP.KSEW.BZ.W.0001.000000T0000Z-251217T2000Z/
OLYMPICS-
INCLUDING HURRICANE RIDGE AND MOUNT OLYMPUS
1152 AM PST WED DEC 17 2025
..BLIZZARD WARNING WILL EXPIRE AT NOON PST TODAY
THE HEAVY SNOWFALL AND GUSTY WINDS WILL CONTINUE TO DECREASE
THROUGHOUT THE DAY.
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