Flood Watch Washington | Effective 03/18/2026 15:54

Headline: 
Flood Watch issued March 18 at 3:54PM PDT until March 20 at 5:00PM PDT by NWS Seattle WA
Event: 
Flood Watch
Urgency: 
Future
Effective: 
March 18, 2026 - 3:54pm
Expires: 
March 19, 2026 - 5:00am
Description: 
* 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... - High snow levels, heavy rainfall, and snowmelt runoff will lead to continued rises on area rivers with additional flooding possible at times this week. - http://www.weather.gov/safety/flood
Instruction: 
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.
Area Description: 
King, WA; Skagit, WA; Snohomish, WA; Whatcom, WA
Forcast Office: 
NWS Seattle WA
Sender: 
w-nws.webmaster@noaa.gov