This week’s flood conditions are now forecasted to surpass 2009’s, not in river height, but in river flow rate or cubic feet per second (cfs).

In January 2009, the Snoqualmie Valley had its worst flood event since 1990, and it has remained the worst since. At that time, the Snoqualmie River hit 60,700 cfs at Snoqualmie and 82,900 cfs at Carnation.

This time, the river at Snoqualmie is forecasted to hit 65,137 cfs by 10 p.m. tonight (Dec. 10). And it is expected to hit 87,352 cfs at Carnation by 10 p.m. tomorrow.

This data is updated as of Dec. 10 at 2:30 p.m.

“Current forecast is for the Sum of the Forks to reach 58,520 [cfs] at around 4 p.m. today, which would exceed 2009 flood peak flows,” said King County spokesperson Saffa Bardaro. “But the caveat is that is a forecast and it could change throughout the day.”

As of 3 p.m. Dec. 10, Eastbound I-90 is closed is closed from the Preston/Fall City exit to the North Bend SR 202 exit. All lanes of SR 202 are closed from Fall City Road to Fish Hatchery Road.

Main road closures include West Snoqualmie River Road SE outside Carnation, Neal Road SE near Fall City and NE 124th Street by Duvall.

In North Bend, a section of NE Edgewick Road was closed due to erosion, trapping residents who live at the end of the road in their homes. Construction on the road is in progress.

Gov. Bob Ferguson has also declared a statewide emergency and activated the National Guard.

Flood resources

For real-time flood level information in the lower Valley, visit floodzilla.com/gage or flood.kingcounty.gov. Both Floodzilla and King County also have flood warning apps.

For real-time road closure information, visit gismaps.kingcounty.gov/MyCommute and wsdot.com/Travel/Real-time/Map.

Sandbags are available in the Snoqualmie Valley at City of Carnation Public Works, the King County Roads Facility in Fall City, North Bend City Public Works and at 38190 SE Mill Pond Rd. in Snoqualmie.

The Flood Warning Center can be reached at 206-296-8200.