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Snohomish County Online Government Information & Services  Snohomish County > Public Works > Surface Water Management
Real-Time Flood Warning Information
Updated every 15 minutes
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Flood Status and River Levels Map — Last Update: 2:15pm Oct 24   (MORE THAN 1 HOUR OLD!)
Note: Please restart your web browser to see most current flood status
We're Moving! We have created a new version of the Flood Warning System with several enhancements. Please click the following link to visit the new page and to update your bookmark.
New Flood Warning System Web Site: http://gismaps.snoco.org/fws

Note: This current page will still exist during the transitional period. As fall approaches, however, it may cease to exist so we strongly recommend that you update your bookmark.
Click on a square symbol to access gages maintained by Snohomish County. Click on triangle symbols to access USGS gages. Snohomish County gages are color coded to indicate flood status at the gage location.
> Click here to learn more about what each Flood Phase means
 
You may select a station from this list instead of clicking on the map:
Snohomish County Flood Warning and Preparedness Information
Flood Emergency Information
DISCLAIMER: Snohomish County does not guarantee continuous service of the website. Snohomish County makes no representation or warranty concerning the accuracy, currency, completeness or quality of this data. Any user of this data assumes all responsibility for use thereof.