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 Pineapple Express forms when the jet stream dips south into the tropical Pacific near Hawaii, scooping up warm, moist air ...

Most of the California coast is under a flood alert as torrential rain and mountain snow intensified over California Thursday ...

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

Hang onto your umbrellas: An “impressive” atmospheric river is set to deliver ... A plume of moisture from the South Pacific, near the vicinity of Hawaii, has been producing steady ...

It's not only a California soaking, but also lowland snowfall for the Pacific Northwest. Here's our latest forecast.

Malibu’s Pacific Coast Highway, which just reopened after last month’s devastating Palisades Fire, is closing again Tuesday ...

Southern California's strongest atmospheric river storm of the winter is arriving Thursday, and it's expected to bring ...

Snow and ice in whiteout conditions contributed to a pileup of more than 100 cars on a major highway connecting Oregon and Idaho, reportedly injuring several people, as a winter storm descended on the ...

An atmospheric ... Russian River in Sonoma County. In addition, the gusty winds caused thousands of power outages across the Bay Area, and tens of thousands of outages across the Pacific Gas ...

The first in what’s expected to be a series of three atmospheric ... river flows and some amount of rock slides,” Schoenfeld said. “If it happened to wobble a little more to the south ...

While most look for ways to avoid the steady rain falling from atmospheric rivers ... it feeds into the Feather River, is also affected by the Middle and South Yuba rivers, which feed into ...