National Weather Service forecasts suggest that through the weekend, about 1 to 3 inches of rain will fall around the coast, ...

This weekend will bring the return of an atmospheric river to the Pacific Northwest. Another system will move in off of the ...

Drying skies and sunnier conditions return to the greater Portland, Vancouver area Thursday ahead of an approaching ...

Enjoy a short break from rain with mild temperatures and cloudy skies Thursday before an atmospheric river brings a wet ...

A prolonged atmospheric river event is set to continue delivering moderate to heavy rain across the Pacific Northwest, with the Portland area bracing for a cold week ahead. Showers are expected to ...

PORTLAND, Ore. (KOIN) — Our dry January comes to an end around Portland as a weak atmospheric river brings rain and wind back to the Pacific Northwest on Friday. Soaking rains will last much of ...

While the West Coast will feel the soggy effects of an atmospheric river this week, the system won’t bring any moisture into drought-stricken Arizona. Parts of California and the Pacific Northwest ...

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

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

An atmospheric river is a weather feature that can be ... Up to 74 percent of Pacific Northwest droughts and up to 40 percent of California droughts from 1950 to 2010 were ended by an AR ...

An atmospheric river is targeting the Pacific Northwest this weekend. It will deliver heavy rain and relatively mild air, and probably will be followed by a powerful low-pressure system expected to ...