An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.

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

Extreme precipitation events in Antarctica, which are mostly dominated by snowfall due to sub-zero temperatures, also include rainfall, according to new research.

Southern California is about to get its heaviest rainfall of the season, increasing the risk of floods and mudslides across ...

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

The lunar new year starts next week! To celebrate, you can join our next guests at the Keller auditorium on Saturday, February 1st for the 2025 lunar new year gala -- Oregon's most prestigious and ...

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another rainy storm system.

Following a brief lull in the stormy pattern, California residents are on track to be doused by another atmospheric river, AccuWeather meteorologists warn. Through early this week, the drier stretch ...

A KOIN 6 Weather Alert fades Saturday morning as rain showers overcome a wintry mix for some above 1,000 feet.

There is now a 30% chance of intense rain between Feb. 12 and 15 in Los Angeles, Ventura, Santa Barbara and San Luis Obispo ...

The West Coast will see a final round of rain and snow Friday as a multi-day atmospheric river concludes and shifts eastward, becoming the nation's next big winter storm.

After an atmospheric river doused the North Bay Tuesday, forecasters say more rain will return to the region Thursday and ...