KGW Chief Meteorologist Matt Zaffino tracks an atmospheric river bringing inches of rain Wednesday to Portland, the Willamette Valley and the Cascades.

The Pacific Northwest will host a moderate atmospheric river this week from Wednesday through about Friday. The key question is – where will it set up? The National Weather Service says we won’t know ...

An atmospheric river that moved into Oregon on Wednesday is expected to pelt the Portland area with about 4 inches of rain through early Saturday. The Coast Range will see even more rain, with the ...

PORTLAND, Ore. (KOIN) — A flood watch was issued for the Portland area on Wednesday. The National Weather Service says the flood watch will be in place until Friday. Record-breaking rain is likely on ...

PORTLAND, Ore. — KGW has issued a Weather Impact Alert for Thursday and Friday due to heavy rainfall across Oregon, from the coast to the Portland metro area and the Cascades.

It's possible this will be the wettest week in Portland so far this winter, surpassing the atmospheric rivers in December, which triggered devastating landslides.

PORTLAND, Ore. (KOIN) — Atmospheric river rain and wind increase across the Pacific Northwest on Wednesday and will last through the end of the week. Soaking rain and gusty winds will increase across ...

We’re still looking at the possibility of accumulating snow in the higher elevations of the metro area Tuesday with a 50-70% chance of sticking snow in the Cowlitz Valley, and around a 15% chance in ...

Light rain today will turn into periods of heavy rain overnight and continue through the end of the week. The mountains will ...

Light rain today will turn into periods of heavy rain Wednesday night and continue through the end of the week. The mountains will see several feet of new snow in the higher elevations.

Steady rain returned overnight across the valley and along the coast with the next Pacific frontal system moving onshore.

Search and rescue crews helped find two missing hikers in the Columbia River Gorge overnight Tuesday, facing heavy rain and wind gusts throughout the search.The ...