Despite Friday being the first full day of spring, cold air moving over the eastern U.S. has set off freeze and frost ...

The National Weather Service has confirmed several EF4-strength tornadoes in outbreaks of severe weather this month, the most ...

The same storm bringing the risk of severe weather and even a couple of tornadoes to the vast Chicago metro area into ...

A band of severe weather brought tornado warnings to the Chicago area and parts of northern Illinois on Wednesday, downing ...

On the last official day of astronomical winter, a wild storm will pack severe weather with the potential for several ...

More storms will brew over the southern United States this weekend and there is the potential for a few tornadoes by Sunday.

Millions of Americans are reeling from severe weather across the country, including several dangerous tornadoes. NBC News' ...

On Monday, 8 million people were under winter storm watches and warnings, although the storms' impacts were less severe than ...

Violent tornadoes ripped through parts of the U.S., wiping out schools and toppling semitractor-trailers in several states.

Millions of Americans across the country are on alert for a severe weather outbreak as violent, long-track tornadoes with ...

A series of storms that kicked up wildfires, tornadoes and dust while barreling across eight states over the weekend have ...

Thousands of power outages were reported Saturday as a deadly severe weather outbreak moved across the Midwest and South.