Heavy rain and thunderstorms will dominate the southern, warm side of this storm. Some thunderstorms could become severe, especially in parts of the South. Dangerous thunderstorms can happen at any ...

An atmospheric river brought heavy rain, serious mountain snow and strong winds to California that flooded roads and rivers ...

Southern California faces a risk of damaging debris flows this week, as a potentially strong atmospheric river is set to ...

After a relatively weak storm expected to arrive in L.A. late Thursday, forecasters say a potentially more powerful storm ...

San Francisco broke a daily record for rain that had been in place since 1887 on Tuesday, with a pounding 2.53 inches of rain falling, according to the National Weather Service. The rain was so heavy ...

The upcoming storm is likely to pose a higher risk for mudslides, debris flows and flooding than the rainfall this past week.

Forecasters say 'Pineapple Express' storm will probably be beneficial for Los Angeles and Ventura counties, helping to reduce ...

Another storm will impact Northern California starting Thursday morning. That event is forecast to be somewhat less impactful ...

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

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

The storms, known as atmospheric ... didn’t expect any of the rivers to flood.” The rain could have been even more impactful if Northern California hadn’t seen an abnormally dry January.

Your CBS First Alert Weather Team is tracking this early February storm system moving through Northern California.