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

At 2:08 p.m. on Monday, the National Weather Service released a heat advisory in effect until Tuesday at 9 p.m. for ...

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 ...

Heat index values will climb into the lower 100s and topping off Tuesday close to 106°. The storms firing up are driven by ...

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

The National Weather Service issued a heat advisory at 11:32 a.m. on Monday valid for Tuesday between 10 a.m. and 7 p.m. for ...

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 office in Mobile, Alabama, issued a heat advisory in Escambia, Santa Rosa and Okaloosa counties between 10 a.m. and 7 p.m. Monday. Heat index values are forecast to reach ...

A heat advisory is again in place for the Tampa Bay area on Monday before tropical downpours return in the coming days.

The combination of heat and humidity will make it feel like 105-111 degrees for a sustained amount of time. Actual temperature highs will soar into the mid-90s.

A Heat Advisory remains in effect for the entire area until 8 PM. Highs this afternoon will top out in the upper 90s, but it ...

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