Pendleton, OR – Travelers across Oregon and Washington should prepare for winter driving conditions as snow returns to Cascade passes beginning Wednesday night and continuing through Thursday afternoon.
According to the National Weather Service in Pendleton, forecasters have high confidence that snow will develop across mountain passes starting Wednesday evening, April 1, with impacts lasting through around 5 p.m. Thursday. The system is expected to create slick road conditions and reduced visibility, particularly overnight into the Thursday commute.
Oregon Cascade passes are expected to see the most consistent snowfall, while Washington passes have a lower probability—around 30% to 40%—of heavier accumulations exceeding 6 inches. Even lighter snow could still create hazardous travel, especially on untreated roadways.
The most significant travel impacts are expected late Wednesday night through Thursday afternoon, as temperatures drop and allow snow to accumulate on road surfaces. This could affect key travel routes used by commuters and freight traffic across the region.
While snowfall totals remain somewhat uncertain, road conditions may change quickly depending on temperature shifts, especially in central Oregon. Drivers should be prepared for periods of slush, ice, and snow-covered roads in higher elevations.
Officials advise travelers to check road conditions before heading out using TripCheck in Oregon and WSDOT resources in Washington. Carrying tire chains, reducing speeds, and allowing extra travel time are strongly recommended during this period.
How much time did this midweek system add to your drive? Share your experience with changing road conditions.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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