The National Weather Service predicted extreme weather across a vast swath of the country that is home to more than 100 million people.

Winds gusting up to 80 mph were predicted from the Canadian border to Texas, threatening blizzard conditions in colder ...

A historic warning, a weakened National Weather Service and announcements of shelters opening: Severe weather is on the way to Mississippi.

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

A massive storm system moving across the country has triggered deadly dust storms, tornadoes and fanned more than 100 ...

The threat of tornadoes moved east into the Mississippi Valley and Deep South on Saturday, a day after a massive storm system ...

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

High winds and dry weather fueled wildfires in Oklahoma and Texas, with winds so strong they toppled several semis.

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

The most fatalities were in Missouri. Forecasters warned that tornadoes, hail and violent winds continue to threaten states ...