Areas charred by last month's wildfires in Southern California now face a new threat from a powerful, but fast-moving Pacific ...

Forecasts indicate that an atmospheric river will bring heavy rain and snowfall to much of the Pacific Northwest starting ...

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

A prolonged atmospheric river event is set to continue delivering moderate to heavy rain across the Pacific Northwest ...

A Pineapple Express forms when the jet stream dips south into the tropical Pacific near Hawaii, scooping up warm, moist air ...

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

The storm brought heavy rain and high-elevation snowfall to Northern California over the weekend, and a similar one is ...

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.

Here's the latest forecast for an upcoming winter storm that forecasters hope could finally lift Los Angeles County from the ...

Back-to-back atmospheric river storms are set to hit Los Angeles County this week — giving the region much-needed moisture ...

Heavy rain and heavy snow are expected to affect Northern California this weekend as an atmospheric river arrives.