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

The western Coachella Valley will likely end up receiving around an inch of rain as an atmospheric river moves through Southern California on Thursday and early Friday, a National Weather Service ...

The remnants of an "atmospheric river" will move across Arizona Friday into the weekend, but most of the river's flow will ...

Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land they can cause ...

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

A potent winter storm is threatening a mix of significant freezing rain and accumulating snow across a swath of the Pacific Northwest - including the Portland area - on Thursday, bringing warnings of ...

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently ...

Officials in California distributed sandbags, prepositioned rescue swimmers and told residents to have their go-bags ready as ...

Storms dumped heavy snow and freezing rain on a swath of the eastern U.S. stretching from Kentucky to the nation’s capital, ...

Citing a lack of evidence that it works, the Wyoming House slashed all funding for the state’s cloud-seeding program on ...

As California prepares for heavy rain in areas recently burned by wildfires, the first of three storms expected in the US this week impacted communities from the Ohio Valley east to New Jersey.