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

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 ...

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 ...

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 ...

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

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.

The National Weather Service has issued a heat advisory today to include the cities of East Naples, Bonita Shores, Naples, ...

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

The chances for a scattered area of showers and thunderstorms to develop into something more increased overnight, but remain low, forecasters said.