Rivers continue to rise in Snohomish County, voluntary evacuation request for Granite Falls

Continued rainfall is pressing river levels toward and above flood stage Sunday morning. Flooding on the Stillaguamish River at Granite Falls has led to a voluntary evacuation request for about 230 homes and businesses.

Snohomish County delivered 500 bags and one load of sand to the city, along with sand and bags to Arlington, Darrington, Machias, Monroe, Oso and Snohomish on Thursday and Friday in preparation for flooding.

The county’s Department of Emergency Management is monitoring river levels along the Stillaguamish, Snohomish and Skykomish rivers as well as tributaries including the Pilchuck River, which also is expected to flood. Saturday night, DEM contacted about 750 homes in the county’s river basins, urging them to take precautions.

County Public Works’ crews are tracking road closures throughout the county.

“We’ve taken steps to make sure we are prepared to handle this storm and to assist different cities in need,” Snohomish County Executive Aaron Reardon said Sunday morning. “Still, residents should take proper precautions if they live near a waterway.”

Snohomish County’s DEM expects rivers to begin hitting various flood stages early Sunday morning. Residents living along these rivers should take adequate precautions. Farm owners should move animals to higher ground.

Below is forecasted information on specific rivers:

• North Fork of the Stillaguamish River at Arlington has entered flood stage and should crest at 4 p.m. today.

• Stillaguamish River at Arlington has entered flood stage and should crest at 4 p.m. at nearly 20 feet.

• South Fork of the Stillaguamish River at Granite Falls has entered flood stage and should crest near 4 p.m at nearly 17 feet.

• Skykomish River at Gold Bar enters flood stage at 11 a.m. Sunday, cresting at 10 p.m. at nearly 18 feet.

• Snohomish River at Monroe enters flood stage at 4 p.m. Sunday, cresting at 10 a.m. Monday at 18 feet.

• Snohomish River at Snohomish enters flood stage near 7 p.m. Sunday, cresting Monday afternoon near 29 feet.

Most rivers will drop below flood stages by Monday evening, except for the Snohomish River at Snohomish, which could remain above flood stage until Tuesday evening or early Wednesday.

DEM’s Call Center is open for residents with questions or to report damages and can be reached by calling 425-388-5088.

Relevant flood information can be found at and clicking “Flood Emergency Information.”

Should flooding occur, residents should stay away from rising waters and not drive through areas of flowing or standing water or around road closure barriers. Urban flooding also could leave standing water on roads during Monday morning’s commute. Residents should be careful on roads.

Road flooding should be reported to the municipality where it occurs. Flooding on county roads can be reported to the county’s Public Works Department at 425-388-7500 or

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