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

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

An intense heat wave threatens millions of people across the Southeast with temperatures reaching 115 degrees through midweek ...

Forecasters warn of 100 to 105 degree heat index values through Tuesday, with potential storms offering limited relief.

The National Weather Service issued heat advisories for a large swath of the East Coast from central Florida to Virginia ...

As dangerous highs continue in central North Carolina, and heat index temperatures climb past 110 degrees all weekend, the ...

A heat advisory has been issued for Monday, Tuesday and Wednesday for heat indices forecasted to reach 100 degrees for the ...

Heat advisories are in effect from Monday to Wednesday across the Northeast, the National Weather Service said.

Orlando heat wave triggers Heat Advisory with temperatures reaching mid to upper 90's and heat index up to 110°F.

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.

Extreme heat is in Georgia, with heat index possibly reaching 110 degrees and more on Tuesday. Here's what to expect.

The National Weather Service in Paducah has extended its dangerous heat warning, now forecasting extreme heat conditions to last through at least Wednesday. The updated advisory urges residents across ...