Some parts of the U.S. could see triple-digit temperatures over the weekend, while severe storms threaten other areas, ...

Severe thunderstorms and tornado watches are in place on Tuesday, with 40 million Americans on alert for strong winds, large ...

Tornado sirens are usually the telltale sign to take cover during severe weather. In St. Louis, tornado sirens didn't go off ...

New guidance suggests most early afternoon development could happen north, with increased coverage by the evening. Most storms should be over southeast areas by 8 p.m.

Severe weather will be possible Tuesday evening bringing the chance for all modes of severe weather to the Tennessee Valley.