Get ready for flood risks
With the arrival of the first storms of fall we’ve entered flood season in Snohomish County.
No flood watches or warnings are in effect but history shows this is the time of year to begin paying particular attention to what’s happening with area rivers.
Key actions include knowing your area, developing a plan to keep safe, and taking steps to stay informed.
We worked with our Snohomish County government partners to publish a comprehensive collection of flood-related resources that should help you get ready.
When flooding is in the forecast, visit the flood page on the Snohomish County Public Safety Hub for updates and quick access to real-time river gauges, interactive maps, alerts and other tools. You can navigate directly to the flood page at this link: https://bit.ly/snocoflooding
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The National Weather Service says El Nino will hold sway here in the months ahead. Predictions indicate conditions in the Pacific Northwest this winter likely will favor warmer temperatures and rain, but uncertainty remains. Learn more.
 The 2026-2027 U.S. Winter Outlook map for temperature shows the greatest chances for warmer-than-average conditions in the Pacific Northwest. (NOAA image)
Each year Snohomish County Surface Water Management (SWM) creates and distributes a flood safety guide for county residents that live in or near a floodplain. The guide provides helpful information on avoiding, preparing for, and coping with floods. Copies of the guide are also available at SWM offices and some city halls and public libraries near flood-prone areas. It’s also available online.
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The record flooding that hit Snohomish County during December 2025 inundated more than 36,000 acres, roughly 56 square miles. Many roads were temporarily closed by flood water. Some drivers ignored the risks and required rescue. One died.
It may be tempting to see if you can drive through high water. Please don’t. Many cars will float in a foot of water. Moving water also packs a punch. A cubic foot of water – about 7.5 gallons – weighs upwards of 62 pounds. That’s why adults can be swept off their feet by as little as 6 inches of fast-moving water.
Driving around road closure signs is not only dangerous, it's also illegal and can result in a hefty fine.
Obtaining flood insurance is one of the best steps you can take to protect against catastrophic loss. Learn more at www.floodsmart.gov |
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Make sure you can access critical information during emergencies. Sign up for SnoCoAlerts to receive emergency messages on your phone.
 Click image to learn more.
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