Rain intensified Thursday in California, where the strongest atmospheric river of the season is expected to bring downpours, ...

Snow and ice in whiteout conditions contributed to as many as 30 cars involved in a pileup on a major highway connecting ...

Last June, the U.S. Army Corps of Engineers, which operates a series of dams in Oregon's Willamette River Basin, missed a deadline set by Congress to produce a report on how the dams are affecting ...

Snow and ice in whiteout conditions contributed to a pileup of as many as 30 cars on a major highway connecting Oregon and Idaho, reportedly injuring several people, as a winter storm descended on the ...

A potent winter storm is threatening a mix of significant freezing rain and accumulating snow across a swath of the Pacific ...

El Niño and La Niña are climate phenomena that are generally associated with wetter and drier winter conditions in the ...

Officials are grappling with the aftermath of the atmospheric river which caused mudslides and floods, especially in areas impacted by wildfires.

The strongest atmospheric river of the season left roads submerged in sludge and created conditions for mudslides on wildfire ...

As heavy rain from a large storm subsided, officials in Southern California said rock and mudslides remain a threat.