The Pineapple Express is an atmospheric river in the sky that comes from the Pacific near Hawaii. When it hits the California ...

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

The rain will be "generally beneficial" in the Los Angeles area, but there is a small risk of burn scar debris flows.

These "rivers in the sky" have been responsible for as much as 65% of the West's extreme rain and snow events, a 2017 study said. AccuWeather warned of possible flooding, avalanches, strong ...

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

The NTSB is investigating a fatal collision between an American Airlines regional jet and a U.S. Army helicopter over the ...