A prolonged atmospheric river will continue to drive moisture into the Pacific Northwest and northern California. Rain, snow and higher elevation snow is expected in areas like Portland ...

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 ...

Heavy precipitation is falling mostly in mountain areas. A flood watch in also in effect for the coast of central California, ...

A persistent trough of low pressure has parked itself along the Pacific Northwest. As it spins counterclockwise it is pumping in a lot of moisture from the West ...

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 ...

Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii ... Many atmospheric river events are weak. But the powerful ones can transport extraordinary amounts ...

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 ...

An atmospheric river is a long band of water vapor that extends over the Pacific Ocean for thousands of miles and is hundreds of miles wide. The weather events have been known to bring major ...

Another atmospheric river-driven storm will impact Northern California and the Pacific Northwest starting Thursday morning. That event is forecast to be somewhat less impactful than the high winds and ...

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