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 ...

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

The heat index considers the actual temperature and amount of moisture in the air using the dew point or relative humidity.

All of Florida will be under heat advisories Monday, July 21, as a heat dome spreads from the Ohio and Mississippi valleys.

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

Hot and humid conditions continue for Central Florida on Monday with the region under a heat advisory from noon-6 p.m., ...

A heat advisory has been issued for Miami-Dade and Broward counties for Monday and will be in effect noon to 6 p.m. South ...

With "feels like" temperatures expected to be in the triple digits on Monday, the National Weather Service has issued a heat ...

The heat index could get as high as 111 in South Florida, with the strongest heat expected along the southern Gulf Coast.

Forecasters have issued a heat advisory for Friday in Miami-Dade, Broward and Palm Beach counties, with temperatures expected ...

Friday's heat index values will hover around 105 for Broward and Miami-Dade counties, but "feels like" temperatures could ...

Heat is the deadliest weather threat, according to the National Weather Service’s report on weather-related fatalities.