A chain of Pacific storms that began last week has caused heavy, sustained rainfall in Oregon and Washington, halting train service in Washington, backing up sewers in Portland and opening sinkholes in several major roadways.

The storms are forecast to last through the week, which means the threats of flooding and landslides will worsen. Here are the latest impacts: 


According to Portland’s Bureau of Environmental Services, heavy, sustained rainfalls have overflowed the city’s combined sewer system into the Willamette River Monday. Residents are urged to avoid contact with the river from the Sellwood Bridge to the Columbia River due to increased bacteria in the water. 

“It’s really important that folks minimize their contact with this water,” a BEC spokeswoman said at a press conference. “It’s extremely polluted. There are oil cans, gas cans, dog poop, industrial pollution — who knows what else. It’s really dirty.”

State route 22 remains closed after a semi truck crashed into a sinkhole just after midnight Monday, prompting transportation officials to close down the highway.

According to KATU, crews managed to pull the semi out of the sinkhole by around 2:30 a.m., but the highway will stay closed until crews can rebuild the road and drivers should use Highway 18 as an alternate route.

Another lengthy closure is expected for the Siletz Highway on the Oregon Coast. It was closed because of standing water.

KATU reported that at least 100 families were evacutated from an apartment complex in southeast Portland due to rising waters.

In Eagle Creek and  Estacade firefighters went door to door Monday night asking residents to be prepared to evacuate if the Clackamas River continues to rise.

“It’s scary because you can’t see it, from the house, you don’t know where it is,” Danee Rardin told KATU. “I drove home from work on Highway 30 and that was a trek, that was scary, actually. I don’t know, we’ll see. I won’t sleep tonight.”

The Tigard Police Department tweeted that high waters were reported in multiple areas throughout the city. The flooding shut down roads, including Dartmouth Street and the intersection of Bonita Road and 72nd Avenue.

Travel in Portland was also disrupted as MAX lines and bus routes experienced delays due to the flooding, reports KATU. The city’s streetcar was stopped by the Portland Bureau of Transportation in the Southwest Waterfront. 

Three landslides shut down all the lanes at Corbett Hill Road in the early afternoon Monday, KOIN reports.

Multiple roads were also closed in Clackamas County, including in Lake Oswego where several cars were stranded in high water. Residents were evacuated from one neighborhood and the American Red Cross is opening a shelter at Clackamas Park Friends Church in Milwaukie.

A section of road along Kane Drive near Mount Hood Community College was washed out by flooding, leaving a gaping hole, according to the Gresham Police Department.

OregonLive.com reports that the Oregon Zoo had to be shut down due to flooding on the visitor pathways.


Commuter train and Amtrak service between Seattle and Everett has been cancelled Tuesday because of a landslide on the tracks as wet, windy weather moves through the Northwest.

Train service will be halted between Seattle and Everett until at least Thursday morning, part of a mandatory waiting period as tracks are inspected.

U.S. 12 was closed due to a rock slide Monday morning, reports KIMA TV. Several rocks approximately three feet in size fell into the roadway and a vehicle was overturned near the site, according to the Yakima County Sheriff’s office. The driver suffered a hand injury.


NWS San Francisco issued a coastal hazard warning Monday, stating that a large, long period westerly swell will impact coastal waters until early Tuesday. The resulting high surf creates dangerous conditions for swimming, including deadly rip currents and sneaker waves. 

Pacific Northwest Storms

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