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.

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 ...

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

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

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

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

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

South Florida is shutting down the rain and turning up the thermostat. Sunny and hot conditions are expected on Friday with ...

On Friday, 17 million people are under flood alerts across the Gulf Coast and in the mid-Atlantic, and 19 million are under heat alerts across the mid-Atlantic, southern Florida and Mississippi Valley ...

As a system of low pressure crosses into the Gulf of America, heavy rain is expected across much of Florida during the work ...