The Rocky Mountain states say they don't have water to give. The Southwest says it can't save the Colorado River on its own.

Two ski patrollers were caught in an avalanche Friday after heavy snowfall from a recent atmospheric river triggered a slide ...

Mammoth Mountain Ski Resort announced Friday that two patrol staff were caught in an avalanche on Lincoln Mountain. The event occurred during avalanche mitigation work, following the significant ...

The mountain range straddling California and Nevada has had mostly warm storms this winter. Finally, a cold one has piled up ...

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

Along with much-needed water to the state’s reservoirs, the precipitation also brings dangerous driving conditions and the threat of local flooding.

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

Learn more about this unique structure and the place it represents.

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean. Some get the nickname ...

Parts of Pacific Coast Highway remained closed due to heavy flooding and mudslides in Southern California, according to state ...

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

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 ...