A Winter Weather Advisory is in effect for the Oregon and Washington Cascades until 4 AM PST Thursday, with up to 8 inches of snow expected at higher elevations.
The National Weather Service in Portland has issued the advisory for areas including Santiam Pass, Government Camp, Willamette Pass, and Mount St. Helens. Snow showers are expected to continue, creating hazardous conditions on roads, bridges, and overpasses.
Travelers in the Cascade foothills and Columbia River Gorge should prepare for 1 to 3 inches of snow at elevations above 500 feet, with some areas like Hood River Valley and the Central Gorge seeing light accumulations through 10 PM Wednesday.