A stormy pattern is returning to Northern California and the Pacific Northwest just in time for the weekend.

In the Western U.S., that Pacific moisture rises up the higher terrain miles inland. What is an atmospheric river, and how does it affect the Western U.S.? This can, at times, create some extreme ...

Parts of northern California could see up to a foot of rain, but Phoenix will remain dry and warmer than usual.

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

It's a type of atmospheric river that forms a long ... In the West, atmospheric rivers approach from the Pacific Ocean, where they’ve collected tremendous amounts of water.

It's not only a California soaking, but also lowland snowfall for the Pacific Northwest. Here's our latest forecast.

The atmospheric river is being driven by a low pressure system midway between Hawaii and the West Coast, as well as a secondary low-pressure system offshore of the Pacific Northwest. Both are ...

This is more of a traditional Pacific storm than an atmospheric river, but still brings a Level 1 out of 5 flash flood threat from Thursday into Friday along the majority of the California coast ...

The first in what’s expected to be a series of three atmospheric river storms has arrived in ... particularly concerning prospect in areas of Pacific Palisades and Altadena devastated by the ...