An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.

Flood watches are posted up and down the California coast as an atmospheric river will bring torrential rain to many areas in need of moisture but too much rain in burn scar areas could lead to ...

Torrential rains and mountain snow began moving into California on Wednesday, bringing a high risk of flooding, landslides in ...

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

After weeks of dry weather, an atmospheric river event begins Friday, kicking off a dramatic flip in the forecast for Lake ...

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

Instead of major fires the Golden State will be delt with major rainfall with precipitation amounts that could reach over ...

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

This second event comes on the heels of a "Pineapple Express" atmospheric river event over the weekend that has pushed rainfall totals to more than 3 inches across the hills north of the Bay Area ...

Happy weekend, Utah! We have a dry set up in southern Utah for the weekend, while a moisture-rich storm targets the northern half of the state.

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

Heavy rain is on the way and will bring inches of rain across the Central Coast. Here is a look at the conditions we can ...