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

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

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

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

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

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

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

A heat wave will build across the area through midweek, with near record highs and heat indices reaching 105 to 110 degrees. Be sure to check back here for updates!

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.

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 ...