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

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

How low should you set your thermostat for as record-breaking heat sweeps over the country? Here's what experts and other ...

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

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 ...

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

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 ...

CBS News Miami's Scott Withers reports from Miami Beach on how residents are coping with the sweltering summer.

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.