709
WWUS46 KSEW 151947
WSWSEW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1247 PM PDT SUN MAR 15 2026
WAZ303-160415-
/O.EXA.KSEW.WW.Y.0011.260316T0000Z-260316T0900Z/
CASCADES OF SOUTHERN KING COUNTY-
INCLUDING SNOQUALMIE PASS, GREENWATER, AND SR18 AT TIGER MOUNTAIN
SUMMIT
1247 PM PDT SUN MAR 15 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 2
AM PDT MONDAY...
* WHAT...SNOW AND FREEZING RAIN EXPECTED. TOTAL SNOW ACCUMULATIONS
UP TO 3 INCHES, WITH ICE ACCUMULATIONS UP TO A TENTH OF AN INCH.
* WHERE...CASCADES OF SOUTHERN KING COUNTY.
* WHEN...FROM 5 PM THIS AFTERNOON TO 2 AM PDT MONDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.
* ADDITIONAL DETAILS...A WINTRY MIX IS EXPECTED AT SNOQUALMIE PASS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
WAZ301-160415-
/O.CON.KSEW.WW.Y.0011.260316T0000Z-260316T1600Z/
CASCADES OF WHATCOM AND SKAGIT COUNTIES-
INCLUDING MOUNT BAKER
1247 PM PDT SUN MAR 15 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 9 AM PDT MONDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO 8 INCHES.
* WHERE...CASCADES OF WHATCOM AND SKAGIT COUNTIES.
* WHEN...FROM 5 PM THIS AFTERNOON TO 9 AM PDT MONDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.
* ADDITIONAL DETAILS...SNOW RATES MAY APPROACH UP TO 1 INCH AN HOUR
THIS EVENING AT STEVENS PASS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
WAZ302-160415-
/O.CON.KSEW.WW.Y.0011.260316T0000Z-260316T0900Z/
CASCADES OF SNOHOMISH AND NORTHERN KING COUNTIES-
INCLUDING STEVENS PASS
1247 PM PDT SUN MAR 15 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 2 AM PDT MONDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO 6 INCHES.
* WHERE...CASCADES OF SNOHOMISH AND NORTHERN KING COUNTIES.
* WHEN...FROM 5 PM THIS AFTERNOON TO 2 AM PDT MONDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.
* ADDITIONAL DETAILS...SNOW RATES MAY APPROACH UP TO 1 INCH AN HOUR
THIS EVENING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
HPR
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