An atmospheric river is expected to hit California later this week, bringing heavy rain and wind to much of the state.

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

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

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently ...

Southern California's strongest atmospheric river storm of the winter is arriving Thursday, and it's expected to bring significant flooding to roads and a high risk of landslides. Here's what you need ...

Another atmospheric river is expected to bring heavy rain to most parts of California this week, raising concerns over flooding on the heels of an earlier system that broke daily rainfall records ...