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

KRON4's Rob Nesbitt reports. Follow for weather coverage: <a href=" ...

A series of small earthquakes rattled the San Francisco Bay Area late Thursday morning, adding another challenge to what is already a busy day battling nature in the region.

Many atmospheric river events are weak. But the powerful ones can transport extraordinary amounts of moisture. Studies have ...

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

New research at NAU looks at faster warming in the Arctic, and highlights concern about risks to the U.S. of a political ...

Scientists have identified a new threat that could disrupt the commercial airspace as at least three deadly crashes have ...

Pineapple Express has drenched Northern California in the last few days—but what exactly is it? How common is it? Also, go ...

Some of us remember the first Earth Day, Saturday, April 22, 1970. We pulled old bedsprings and tires out of local rivers and urged a ban on phosphates that fueled weed growth in streams and ...

A newly discovered asteroid named 2024 YR4 now has a 2.2% chance of affecting Earth in 2032 after recent observations.

The jet stream is like a river of west-to-east winds in the upper atmosphere. Airplanes use it like a highway. A wet pattern will bring periods of rain and showers to Southern California ...

Several roads in Sutter County were closed due to flooding, including three that cross the Sutter Bypass, which is once again filling with overflow from the Sacramento River to be transported across ...