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

You may want to make sure your air conditioning is working. Columbus, and a sizable chunk of the nation, is in for a scorcher ...

A heat wave will hit the region, with heat index values reaching 105 this Thursday and Friday. Here's what to know.

The National Weather Service sent out millions of extreme heat warnings, heat watches and heat advisory alerts early Monday ...

At 1 p.m. on Tuesday, the National Weather Service released a heat advisory valid from Thursday 11 a.m. until Friday 8 p.m.

The heat index, or apparent temperature, combines air temperature and humidity to indicate how hot it feels to the body. High humidity slows sweating, the body's natural cooling system, making ...

An extreme heat watch has been issued for all of Chicagoland on Wednesday and Thursday as temperatures and humidity spike.

“Thursday remains on track to be the hottest day of the week; a heat advisory will likely be needed as the heat index reaches ...

The National Weather Service is warning Iowans of "dangerously hot and humid conditions" coming to the region this week, ...

Some major cities under heat alerts include New Orleans, Memphis, Little Rock, St. Louis, Kansas City, Chicago and ...

Chicago's in for a scorcher. An Extreme Heat Watch is in effect Wednesday through Thursday. Here's how to stay safe.

Central Pennsylvania is bracing for a significant heat wave that will peak Friday, with temperatures and heat index values ...