WGUS46 KSEW 201334

FLWSEW



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Flood Warning

National Weather Service Seattle WA

634 AM PDT Fri Mar 20 2026



...The National Weather Service in Seattle WA has issued a Flood 

Warning for the following rivers in Washington...



  Stillaguamish River At Arlington affecting Snohomish County.



.Heavy rain over the Northern and Central Cascades Thursday into 

this morning will push the Stillaguamish River at Arlington above 

flood stage this morning.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Turn around, don't drown when encountering flooded roads. Most flood 

deaths occur in vehicles.



Motorists should not attempt to drive around barricades or drive 

cars through flooded areas.



Additional information is available at www.weather.gov.



The next statement will be issued by this afternoon at 245 PM PDT.



&&



WAC061-202145-

/O.NEW.KSEW.FL.W.0027.260320T1403Z-260321T1539Z/

/ARLW1.1.ER.260320T1403Z.260320T1800Z.260321T0338Z.NO/

634 AM PDT Fri Mar 20 2026



...FLOOD WARNING IN EFFECT UNTIL TOMORROW MORNING...



* WHAT...Minor flooding is forecast.



* WHERE...Stillaguamish River at Arlington.



* WHEN...Until tomorrow morning.



* IMPACTS...At 14.0 feet, the Stillaguamish River will locally spill 

  over its banks.  Minor flooding around Silvana will occur...

  including over Pioneer Highway.  A stage of 14 feet on the 

  Stillaguamish River corresponds roughly to Phase 2 in the 

  Snohomish County Flood program.



* ADDITIONAL DETAILS...

  - At 6:25 AM PDT Friday the stage was 13.7 feet.

  - Flood stage is 14.0 feet.

  - Forecast...The river is expected to rise above flood stage

    this morning to a crest of 15.7 feet late this morning. It

    will then fall below flood stage this evening.

  - http://www.weather.gov/safety/flood



&&



LAT...LON 4816 12211 4817 12223 4816 12237 4826 12240

      4823 12224 4824 12214





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