There has been a lot of talk about the term “atmospheric river” in the last month or so. Some feel the term is now being overused or even misused. So what is an atmospheric river? The term first ...

Western Washington will see another round of heavy rain as an atmospheric river hits the region from late Saturday until ...

BOISE, Idaho — WHAT: A major fall system is hitting the Northwest this weekend. An upper-level area of low pressure off the Gulf of Alaska will send a series of smaller storm waves across the region.

PORTLAND, Ore. (KOIN) — The wet and windy weather felt across the Pacific Northwest is thanks to a long band of water vapor stretching across the Pacific Ocean. An atmospheric river continues to ...

We have a very active weather pattern that will impact the region this week as an atmospheric river takes aim at the Pacific Northwest. Our temperatures are trending above average in the upper 40s to ...

PORTLAND, Ore. (KOIN) — Flooding rains and lingering storm impacts come as the atmospheric river that hit the Pacific Northwest this week will make another visit to the region next week. Rainfall ...

A powerful atmospheric river is set to bring heavy rain, strong winds, and mountain snow to the Pacific Northwest. The storm system also poses a risk of flash flooding and mudslides for parts of ...