Freezing rain and snow have closed all major highways in Eastern Oregon from La Grande to Arlington, said the Oregon Department of Transportation tbis morning about 5:30.
Because of the dangerous conditions, schools are closed in Pendleton, Echo, Walla Walla, College Place and others in the region.
Numerous truck crashes and icy conditions have closed Interstate 84, said ODOT.
Also all major routes in Umatilla County, including I-82, Oregon Highway 11 and U.S. 730, are closed by trucks blocking the roads and extremely dangerous icy conditions.
ODOT urges all travelers to stay at home.