Areas charred by last month's wildfires in Southern California now face a new threat from a powerful, but fast-moving Pacific ...

An atmospheric river event is forecast to rainfall, snow, and the potential for flooding to parts of California this week.

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

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another ...

In what has become a much-anticipated sight, the morning glory spillway at Lake Berryessa is now active after this week's ...

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

A major atmospheric river storm is barreling toward California, raising the specter of damaging landslides and flooding across much of the Southland.

The biggest storm of the winter, packing a firehose of rain across much of California, will trigger flooding, mudslides and road closures that may put lives and property at risk during the latter part ...

Following a brief lull in the stormy pattern, California residents are on track to be doused by another atmospheric river, AccuWeather meteorologists warn. Through early this week, the drier stretch ...

The storm brought heavy rain and high-elevation snowfall to Northern California over the weekend, and a similar one is ...