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

The Storm Prediction Center designated the day as "high risk" for severe weather, especially in the Deep South.

At least 18 people have been killed in a monster storm sweeping across much of the U.S. As of Saturday afternoon, Missouri ...

At least 12 fatalities have been reported in Missouri, according to the Missouri State Emergency Management Agency. The ...

Violent tornadoes that ripped through parts of the U.S. proved deadly as well as destructive as whipping winds moved east ...

Violent tornadoes that ripped through parts of the U.S. proved deadly as well as destructive as whipping winds moved east ...