A Pineapple Express forms when the jet stream dips south into the tropical Pacific near Hawaii, scooping up warm, moist air ...

San Francisco broke a daily record for rain that had been in place since 1887 on Tuesday, with a pounding 2.53 inches of rain falling, according to the National Weather Service. The rain was so heavy ...

Two atmospheric rivers have ended Northern California's dry spell, bringing heavy rains and setting records in San Francisco.

Parts of northern and central California saw more than two inches of rain Tuesday as Southern Californians face rain through ...

The gusty atmospheric river storm could cause flooding and rockslides but also will help reduce the risk of wildfires with ...

The first of two "pineapple express" storms has arrived in Southern California after delivering a stronger-than-expected ...

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

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

Conditions across northern California and southern Oregon are still being influenced by a stationary front between a low ...

The wet weather fueled by an atmospheric river comes after a dry January helped ignite fires that devastated California. Here ...

While the wet weather may bring an end to a devastating run of wildfires in the state, it could also cause flooding and other hazards.