The National Weather Service at Flagstaff officially declared the strength of a Heber-Overgaard tornado, plus a second.

Los Angeles, Las Vegas and the surrounding areas face threats of flash floods, large hail and tornadoes, an extremely rare ...

The deadly storm has knocked out power to hundreds of thousands of people. The regions around Raleigh and Richmond may face ...

Add Yahoo as a preferred source to see more of our stories on Google. Multiple tornadoes and intense storms hit the eastern half of the United States on Tuesday as a relentless severe weather pattern ...

Georgia could face a tornado threat this weekend as Hurricane Isaias moves toward the Gulf Coast, with forecasters warning that tornadoes are possible across parts of the state. The National Weather ...

Remnants of Hurricane Isaias brought a record number of tornadoes to central North Carolina, with one of the strongest ...

A new 'Megastorm' episode revisits Alabama's deadliest tornado outbreak, featuring survivor interviews and dramatic footage ...