Flood Forecast for Snoqualmie River: Rising Waters Early Sunday

No significant flooding is expected; some lowland flooding may occur.

The Snoqualmie River near downtown Snoqualmie is currently flowing at approximately 5,200 cubic feet per second* (cfs). Flows are forecast to remain steady through Saturday night, cresting at approximately 35,000 cfs (flood phase 3) on Sunday, December 20 at 10 a.m. according to the NOAA Northwest River Forecast Center.

No significant flooding is expected. Downtown Snoqualmie flooding does not occur until well over flood phase 4, generally toward 60,000 cfs.

Some lowland flooding may occur, such as on SE Reinig Road and Mill Pond Road, which could result in temporary road closures. Residents in areas that experience higher waters during early flood stages are advised to move vehicles to higher ground, such as the parking lot by Snoqualmie Community Park, 35016 SE Ridge St (next to the YMCA).

Photo: Michele Johnson.

The Snoqualmie Emergency Management Department is continuing to monitor river flow changes.

Snoqualmie River Flood Info Resources

King County Flood Warning Center
King County Flood Services
NOAA Northwest River Forecast Center

Emergency Alerts
Sign Up for King County Flood Alerts or call 206-296-8200
Sign Up for ALERT King County

*As defined by the United States Geological Survey (USGS), cubic feet per second (cfs) refers to the rate of the flow in streams and rivers. It is equal to the volume of water one foot high and one foot wide flowing a distance of one foot in one second. One cfs equals 7.48 gallons of water flowing each second.

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