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 ...

Another atmospheric river is preparing to take aim at the Bay Area and Central California, bringing “impactful rain,” flash ...

A new atmospheric river will bring a new rainstorm to the Los Angeles area in the middle of the week, forecasters say.

Downtown San Francisco was drier, but it still had a big day. The area recorded 2.53 inches on Tuesday, its highest daily ...

The rain will be "generally beneficial" in the Los Angeles area, but there is a small risk of burn scar debris flows.

Impact from a moisture-laden storm is expected to persist in the San Francisco Bay Area through Friday, with more rain likely ...

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

Cooler, cloudier conditions and periods of light rain are forecast in County through Friday night as a weakening atmospheric ...

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