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

Two atmospheric rivers dumped heavy rain from the valley to the Sierra resulting in rises on area waterways. Here's how the ...

Chain controls and flooded roads impacted drivers Tuesday as significant wet weather rolled into Northern California. Heavy ...

According to a forecast discussion released Monday by weather service’s Sacramento office, precipitation on Wednesday could be “on the lighter side,” with up to a quarter of an inch of rain predicted.

Chain controls, interstate closures and flooded roads were an obstacle for drivers Wednesday morning as significant wet ...

Heavy precipitation is falling mostly in mountain areas. A flood watch in also in effect for the coast of central California, ...

Both storms will be carrying moisture from an atmospheric river that stretches from the Hawaiian Islands to Northern California. The Sacramento Valley could see up to two inches of rain by Monday.

Two atmospheric rivers have ended Northern California's dry spell, bringing heavy rains and setting records in San Francisco.

The storm brought heavy rain and high-elevation snowfall to Northern California over the weekend, and a similar one is ...

The second peak of an ongoing atmospheric river storm arrived in Northern California Monday afternoon, prompting flood ...

It could rain for many hours each day in the middle of next week as the edge of one of these storms takes a swing into ...

Here's the latest forecast for an upcoming winter storm that forecasters hope could finally lift Los Angeles County from the ...