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

In Southern California, the flooding could be life-threatening in areas burned by wildfires. California is about to get ...

Several cities in Southern California are expecting heavy bouts of rain Wednesday through Friday, with the flash flood risk ...

An atmospheric river event is forecast to rainfall, snow, and the potential for flooding to parts of California this week.

Scattered light showers will spread across the area Wednesday before the flash flood watches that start Thursday afternoon ...

The rain will be nothing like the relatively modest storms that have brought largely beneficial rain to Southern California the last two weeks. Forecasters suggest avoiding travel if possible on ...

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

There is now a 30% chance of intense rain between Feb. 12 and 15 in Los Angeles, Ventura, Santa Barbara and San Luis Obispo ...

Parts of the Southern California coastal community of Rancho Palos Verdes were shifting 4 inches closer to the ocean each week in mid-to-late 2024, NASA found.

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

Impact from a moisture-laden storm is expected to persist in the San Francisco Bay Area through Friday, with more rain likely ...

The NOAA and Old Farmer's Almanac use different methods of forecasting, but both organizations issue seasonal predictions.