Al Roker talks to climate scientist Alexander Gershunov about the conditions that made the L.A. wildfires so devastating.

The second atmospheric river in a pair of storms will bring more rain and cooler temperatures to the Los Angeles area.

The second storm system this week has arrived in Southern California and is expected to keep conditions cool, cloudy and ...

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

The first storm from the tail end of an atmospheric river brought light to moderate rain throughout the Los Angeles area.

The Los Angeles area is preparing for the tail end of an atmospheric river that will bring "beneficial rain," forecasters say ...

California remains in the grip of an unrelenting atmospheric river delivering record-breaking rainfall, heavy mountain snow ...

Precipitation was lighter than expected on Wednesday, with another storm on the way Thursday night into Friday.

A stronger atmospheric river is set to hit Northern California on Monday and then hit L.A. County on Tuesday, aiding hopes of ...

After a very dry start to winter, two distinct rainstorms are making their way to the Southern California region.

With more rain in the forecast for the coming week, L.A. County officials are scrambling to prepare the region for ...

After months of extremely dry conditions in Southern California, an atmospheric river storm delivered much-needed rain to a ...