More than 122 million Americans are expected to travel at least 50 miles for Christmas and New Year's holidays this year.

An atmospheric river, low pressure system and wildfire burn scars are a volatile mix for southern California this Christmas. Here's what we know.

A flood watch and winter storm warning are in effect this weekend as the first major storm of 2026 is expected to bring rain ...

National Weather Service (NWS) meteorologists issued a flood warning in Sacramento, California, on Tuesday morning as the ...

Most people hear “atmospheric river” and imagine flooded roads. That’s only half the story. Atmospheric rivers are moving ...

Timelapse satellite imagery captured an atmospheric river slamming into California overnight between Sunday, December 21, and Monday, December 22. The Cooperative Institute for Research in the ...

As another atmospheric river approaches Northern California, local agencies have begun conducting releases from spillways to ...

A series of atmospheric rivers is bringing heavy rain, snow, and strong winds to the western U.S. through early January. The storms are causing concerns for flooding, landslides, and power outages ...

Since Dec. 16, the state’s largest reservoir — Shasta, a massive 35-mile-long lake near Redding — has risen by 36 feet. On ...

Most of California will be under some risk for excessive rainfall, and will be picking up over a month worth of rainfall over the next few days. The greatest risk of excessive rainfall will come in ...