Another heat dome is moving over Illinois this week as temperatures near the triple digits. Here's what that means and when ...

What is "corn sweat," and how does it contribute to rising heat and humidity in Illinois? See what experts say.

The South in July is always hot and humid, but Tennesseans get an extra does of heat with an incoming heat dome. What to know ...

A heat advisory for Florida's Treasure Coast is in effect from noon through 6 p.m., with heat index values from 109 to 112 ...

Forget about any worries of tropical weather today. Instead pay attention to the heat: temperatures in Jacksonville could ...

A woman died in flash flooding as she was walking along a trail near West 155th and Nall Ave., in Overland Park on Monday ...

The Pensacola area is under a heat advisory for the second day in a row. A cluster of showers and thunderstorms will offer ...

The National Weather Service has issued heat advisories across Southeast Georgia, as well as Northeast and Central Florida.

As Illinois braces for another summer heat wave, this week's conditions will be worsened by an unusual weather phenomenon: ...

It is the first day of a stretch of hot weather in the Quad Cities with temperatures already in the upper 80s and heat ...

The National Weather Service office in Mobile, Alabama, issued a heat advisory in Escambia, Santa Rosa and Okaloosa counties ...

The National Weather Service has issued a heat advisory for Hartford, Tolland and Windham counties as well as much of Southern New England starting 11 a.m. Thursday.