A significant winter storm is set to impact California with rain and snow, but flash floods and mudslides may follow.

The first storm in a two-part series has made its way to Southern California before the main storm begins Thursday, increasing the danger of flash flooding.

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

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

But the fact that many farmworkers labored through the smoke of the Los Angeles fires underscores the limitations of ...

Downtown San Francisco was drier, but it still had a big day. The area recorded 2.53 inches on Tuesday, its highest daily ...

Parts of northern and central California saw more than two inches of rain Tuesday as Southern Californians face rain through ...

California's weather remains cool and cloudy, with rainfall focused north of Los Angeles County and lighter showers in the ...

California remains in the grip of an unrelenting atmospheric river delivering record-breaking rainfall, heavy mountain snow and destructive winds. Since the weekend, the storm has triggered widespread ...

A stronger atmospheric river is set to hit Northern California on Monday and then hit L.A. County on Tuesday, aiding hopes of ...