SEATTLE – A levee failure is causing a flash flood warning for southern parts of King County on Monday as rain continues to impact already flooded areas across western Washington.
The National Weather Service (NWS) in Seattle issued a Flash Flood Warning on Monday after county dispatch reported the failure of the Green River levee near Tukwila, prompting immediate concerns for flash flooding in parts of west central King County.
The warning, issued at 11:51 a.m. PST, remains in effect until 9 p.m. Monday.
According to the bulletin, county dispatch reported “the failure of Green River Levee causing flash flooding near the Green River in Tukwilla.”
The NWS described the situation as “life-threatening flash flooding from the failure of Green River levee.” The agency warned that areas near Tukwila along the levee could experience significant impacts.
Communities listed in the warning include Kent, Renton and Tukwila. Affected waterways include the Green River, the Duwamish Waterway and the Cedar River. Residents in low-lying areas were urged to take immediate action.
The bulletin advises: “If you are in low lying areas below should move to higher ground immediately.” It continues, “Move to higher ground now. Act quickly to protect your life.”
The NWS classified the flash flood threat as “observed” with a “considerable” damage threat.
The failure was reported as “occurring,” by NWS as of noon on Monday.
According to King County Emergency Management, shelter is available at the following locations:
- Auburn Community and Event Center, 910 9th St. SE, Auburn, WA, 98002
- Ray of Hope Shelter, 2806 Auburn Way N. Auburn, WA, 98002
- Evergreen State Fairgrounds, 14405 179th Ave. SE., Monroe, WA 98272 (Open 24 hours) – Pets welcomed
Flash flood safety tips
If you are in or near the affected areas, follow these life-saving recommendations:
If you’re near rising water
- Move to higher ground immediately—do not wait for instructions.
- Avoid low-lying areas, riverbanks and drainage channels.
If driving
- Never drive through flooded roads. As little as 12 inches of water can sweep a vehicle away.
- Turn around, don’t drown—water may be deeper or faster-moving than it appears.
- Avoid bridges over fast-moving water if they appear unsafe.
If instructed to evacuate
- Follow directions from local officials without delay.
- Take essential items only and avoid walking through floodwaters.
General preparedness
- Keep your phone charged and monitor local alerts.
- Have a go-bag ready with medication, documents and basic supplies.
- Check on neighbors who may need assistance evacuating.
This is a breaking story and will be updated as information continues to become available.
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