Rainy conditions are expected to begin sometime Wednesday, and the National Weather Service has already issued a flash flood watch that will be in effect from Thursday afternoon through late Thursday ...

Weather balloons and “hurricane hunter” planes aid the science of understanding California’s atmospheric rivers.

One of the more potent storm systems so far this season is setting up to bring significant widespread rainfall and windy conditions to much of San Diego towards the middle of the week.

"André is an Idiot," which chronicles a San Franciscan's battle against colon cancer, took home a Sundance award for its ...

The rainfall was so intense that in one dramatic example, a mudslide caused an entire house to slip down a bank into the ...

Atmospheric rivers, also described as "rivers in the sky," cause more than 80 percent of all flooding damage across the West ...

The jet stream is like a river of west-to-east winds in the upper atmosphere. Airplanes use it like a highway. A wet pattern will bring periods of rain and showers to Southern California ...

Atmospheric rivers like the ones hitting the state this week sometimes wobble, and these slight movements can be challenging to predict.

At atmospheric river continues to slam portions of California Tuesday, with multiple inches of rain expected until Wednesday.

A pineapple express is a type of strong atmospheric river that carries moisture toward the western U.S., bringing the risk of ...

Parts of northern California could see up to a foot of rain, but Phoenix will remain dry and warmer than usual.