The storm will usher in warm temperatures, which will contribute to the flooding risk from heavy rain as snow melts.

As a series of Pacific storms continues in the northwestern United States and in southwestern Canada, the biggest storm of the bunch will include an atmospheric river in portions of Washington and ...

An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.

KOIN 6 Meteorologist Josh Cozart explains the impacts this weekend's atmospheric river will have on the greater Portland area ...

Weather balloons and “hurricane hunter” planes aid the science of understanding California’s atmospheric rivers.

A mostly dry and cloudy day around Portland will give way to a few evening rain showers. Late Friday evening rain showers ...

An atmospheric river event is forecast to bring rainfall, snow, and the potential for flooding to parts of California this ...

A drying and warming trend will continue into today as high pressure settles over the region. Daytime highs will be in the ...

An atmospheric river is expected to arrive this weekend, which will help with the rain deficit in the lowlands but will ...

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another ...

KOIN 6 Meteorologist Josh Cozart explains when Portland should feel the impacts of a moderate to strong atmospheric river ...