A warning is issued by local forecast offices when weather radar indicates a tornado is coming or has already been seen. This ...

Scientists said the storm's strength and potential for far-reaching impacts is notable, but its timing isn't unusual.

Tornadoes can (and have) hit every U.S. state, but the area nicknamed Tornado Alley is probably where your mind goes when you ...

More than 100 million people in the U.S. will be in the path of an intense March storm starting Friday as the sprawling multi-day system threatens fires, blizzards, tornadoes, and flooding as it ...

A strong storm is dropping significant rain across Southern California, triggering the risk of mudslides, flooding and debris ...

As a late-winter storm brings rain to Southern California, evacuation warnings have been issued in recent wildfire burn areas.

A storm hitting the Plains on Friday will have extreme winds, dust, thunderstorms, snow with near blizzard conditions ...

The latest atmospheric river arrived on Wednesday in the Bay Area with damaging winds bringing down trees, the threat of thunderstorms, and possible snow in the highest peaks.

Evacuation warnings, flood watches and road closures are in effect with heavy rain expected to pour down on Southern California Wednesday through Friday. Here’s what to know about evacuations and road ...

The second in a series of three storms reached the Bay Area early Friday, March 14. The third storm is expected on Sunday.

The coldest storm of the season has skiers excited, but Caltrans is warning that travel may be nearly impossible.