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

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

A new rain storm is bearing down on California, including fire-ravaged Los Angeles, where residents are bracing for the ...

The North Bay is slated to bear the brunt of the atmospheric river headed for the Bay. Though it will rain all weekend, the National Weather Service says the heavy rains come Monday and Tuesday ...