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

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 ...

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

Authorities Urge Caution as Region Faces High Heat and Humidity; Understanding Symptoms of Heat-Related Illnesses is Crucial ...

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

Heat Advisory to start workweek. For more News, Weather, and Sports in Panama City, Florida visit: <a ...