278
WGUS66 KSEW 192332
FFASEW
FLOOD WATCH
NATIONAL WEATHER SERVICE SEATTLE WA
432 PM PDT THU MAR 19 2026
WAC045-201245-
/O.CON.KSEW.FA.A.0009.000000T0000Z-260321T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MASON-
INCLUDING SHELTON
432 PM PDT THU MAR 19 2026
..FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE
POSSIBLE.
* WHERE...A PORTION OF NORTHWEST WASHINGTON, INCLUDING THE FOLLOWING
COUNTY, MASON.
* WHEN...THROUGH FRIDAY AFTERNOON.
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.
* ADDITIONAL DETAILS...
- HIGH SNOW LEVELS, HEAVY RAINFALL, AND SNOWMELT RUNOFF WILL
LEAD TO RISES ON THE SKOKOMISH RIVER WITH FLOODING POSSIBLE
ON FRIDAY.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD
WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED
TO TAKE ACTION SHOULD FLOODING DEVELOP.
WAC033-057-061-073-201245-
/O.CON.KSEW.FA.A.0009.000000T0000Z-260321T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KING-SKAGIT-SNOHOMISH-WHATCOM-
INCLUDING MOUNT VERNON, ANACORTES, SEDRO-WOOLLEY, LYNNWOOD,
MARYSVILLE, BURLINGTON, EDMONDS, EVERETT, BELLINGHAM, AND SEATTLE
432 PM PDT THU MAR 19 2026
..FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE
POSSIBLE.
* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL WASHINGTON,
INCLUDING THE FOLLOWING COUNTIES, IN NORTHWEST WASHINGTON, SKAGIT
AND WHATCOM. IN WEST CENTRAL WASHINGTON, KING AND SNOHOMISH.
* WHEN...THROUGH FRIDAY AFTERNOON.
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.
* ADDITIONAL DETAILS...
- AN ADDITIONAL 2 TO 4 INCHES OF RAIN ARE EXPECTED OVER THE
NORTH AND CENTRAL CASCADES THROUGH FRIDAY. RAINFALL RATES IN
THE MOUNTAINS WILL PEAK INTO FRIDAY. THIS WILL CREATE A
DOUBLE (OR EVEN TRIPLE) CREST SCENARIO ON FRIDAY, PUSHING
SOME RIVERS BACK ABOVE FLOOD STAGE. THE SNOQUALMIE AND
SNOHOMISH RIVERS WILL LIKELY REMAIN ABOVE FLOOD STAGE. THE
RIVERS MOST LIKELY TO GO BACK ABOVE FLOOD STAGE FRIDAY ARE
THE SKYKOMISH AND TOLT RIVERS. NEW RIVERS LIKELY TO EXCEED
FLOOD STAGE ARE THE STILLAGUAMISH AND SKAGIT RIVERS, WITH THE
LATEST FORECAST SHOWING THE SKAGIT RIVER TO RISE INTO
MODERATE FLOOD STAGE AND JUST BELOW MAJOR FLOOD STAGE.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD
WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED
TO TAKE ACTION SHOULD FLOODING DEVELOP.
JD
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