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

There is a threat of tornadoes at night, so residents in at-risk areas are advised to set their phones to receive loud ...

South-central parts of the United States are likely to experience severe weather next week, with the potential for damaging ...

A winter storm is set to bring snowfall from the Central Plains to the mid-Atlantic, while dangerously cold air spreads from ...

A hardiness zone is a geographic area with a similar average minimum temperature. The map is based on the average annual ...

"An atmospheric river will surge onshore Wednesday/Thursday bringing heavy rain and snow to the Pacific Coast," the National ...

The temblor happened at 10:34 a.m. Atlantic time about 4 miles southwest of Tallaboa, Puerto Rico, data from the agency shows ...