ABC News Meteorologist Somara Theodore reports on the life-threatening heat wave with more that 130 million Americans under ...

The heat index could reach more than 100 degrees on Monday and Tuesday, according to the National Weather Service.

Much of the U.S. is under extreme heat warnings or advisories while New York, Philadelphia and Washington could feel like 100 degrees or more.

After an unsettled weekend, dry, hot, humid conditions will persist through Tuesday, before rain and cooler temperatures ...

Nashville's NWS issues a Heat Advisory warning of extreme temperatures and high humidity until Wednesday evening.

In many areas of the state, extreme heat warnings have already been issued for the upcoming weekend. Here's what to know.

A double whammy of wildfire smoke blowing into the city and an incoming heat wave has made the city's air dangerous for ...

The Heat Advisory for the Piedmont Triad will continue until Monday at 8 p.m. The Extreme Heat Warning for the eastern Triad ...

Brace yourselves, Atlanta residents, it looks like you're in for a scorching week ahead, with heat index values tipping over ...