A powerful atmospheric river is forecast to hit Oregon Dec. 18 and into Dec. 19. Follow along for live weather updates from the Statesman Journal.

Willamette Pass and Interstate 84 were the only open passes in or out of the Willamette Valley; Highway 26 has reopened but still has damage.

On Thursday at 9:32 a.m. the National Weather Service issued an updated winter weather advisory in effect until 4 p.m. for Northern Blue Mountains of Oregon.

Multiple rivers are expected to flood in Oregon and Washington, according to the National Oceanic and Atmospheric Administration. Most of the region is under Flood Warning or Watch.

PORTLAND, Ore. (KPTV) - Thousands of people were without power Wednesday morning after a wind storm moved through northwest Oregon and southwest Washington overnight. Astoria, Jewell, Seaside, Warrenton-Hammond, La Center, and Colton school districts will be closed Wednesday due to no power.

Some highways across Oregon have reopened after a powerful windstorm caused widespread travel impacts overnight, knocking down trees, power lines and debris across roadways, according to the Oregon Department of Transportation.

From 4 AM Friday to 10 AM PST Saturday. * IMPACTS: Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create difficult driving conditions. Persons should consider delaying all travel.

Power outages from Tuesday night’s storm forced businesses across the Portland area to close or limit operations on Wednesday.

The No. 5 Oregon Ducks will host the No. 24 James Madison Dukes in the first round of the College Football Playoff. Preview, prediction, TV channel, and betting odds for the matchup at Autzen Stadium.

Power companies throughout the Mid-Willamette Valley are reporting large-scale power outages as of 5 p.m. on Dec. 18.