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

The Pineapple Express is a type of atmospheric river— a narrow, fast-moving "river in the sky" that transports significant ...

The second peak of an ongoing atmospheric river storm arrived in Northern California Monday afternoon, prompting flood ...

A group of scientists from Southern California recently came to the Bay Area to send up a series of weather balloons to help ...

The West Coast is in the middle of a long-lasting and potent atmospheric river event, which will bring days of heavy rain and ...

While the wet weather may bring an end to a devastating run of wildfires in the state, it could also cause flooding and other hazards.

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

A long-duration atmospheric river is set to bring moderate to heavy rain in northern and central parts of California, but ...

The wet weather fueled by an atmospheric river represents an about-face after a dry January helped ignite fires that ...

A much wetter stretch is ahead from California to Washington as multiple systems crash into the Pacific Coast. Here’s how ...

You may have heard meteorologists using the phrases "atmospheric river" and "Pineapple Express" when talking about wet weather in California, but what do they really mean?

Forecasters believe there's little risk that the rains expected next week will trigger debris flows and mudslides in Southern ...