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

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

Pineapple Express has drenched Northern California in the last few days—but what exactly is it? How common is it? Also, go ...

Back-to-back atmospheric river storms are set to hit Los Angeles County this week — giving the region much-needed moisture ...

Back-to-back atmospheric river storms are set to hit Los Angeles County this week — giving the region much-needed moisture ...

San Diego finally saw rain this past weekend, but we are still experiencing the driest winter season on record, tied with the ...

Powerful Santa Ana winds, with gusts reaching hurricane strength, swept down the mountains outside Los Angeles and spread ...