002
WWUS46 KSEW 160315
WSWSEW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
815 PM PDT SUN MAR 15 2026
WAZ301-161115-
/O.CON.KSEW.WW.Y.0011.000000T0000Z-260316T1600Z/
CASCADES OF WHATCOM AND SKAGIT COUNTIES-
INCLUDING MOUNT BAKER
815 PM PDT SUN MAR 15 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT MONDAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 6 INCHES.
* WHERE...CASCADES OF WHATCOM AND SKAGIT COUNTIES.
* WHEN...UNTIL 9 AM PDT MONDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
WAZ302-160900-
/O.CON.KSEW.WW.Y.0011.000000T0000Z-260316T0900Z/
CASCADES OF SNOHOMISH AND NORTHERN KING COUNTIES-
INCLUDING STEVENS PASS
815 PM PDT SUN MAR 15 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT MONDAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 3 INCHES.
* WHERE...CASCADES OF SNOHOMISH AND NORTHERN KING COUNTIES.
* WHEN...UNTIL 2 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. SNOW LEVELS WILL RISE OVERNIGHT
WHICH MAY ALLOW FOR A BRIEF PERIOD OF FREEZING RAIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
WAZ303-160900-
/O.CON.KSEW.WW.Y.0011.000000T0000Z-260316T0900Z/
CASCADES OF SOUTHERN KING COUNTY-
INCLUDING GREENWATER, SR18 AT TIGER MOUNTAIN SUMMIT, AND
SNOQUALMIE PASS
815 PM PDT SUN MAR 15 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT MONDAY
* WHAT...WET SNOW AND LIGHT FREEZING RAIN. ADDITIONAL SNOW
ACCUMULATIONS UP TO ONE INCH AND TOTAL ICE ACCUMULATIONS UP TO
0.05 INCHES.
* WHERE...CASCADES OF SOUTHERN KING COUNTY.
* WHEN...UNTIL 2 AM PDT MONDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES.
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