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 ...

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 for Florida's Treasure Coast is in effect from noon through 6 p.m., with heat index values from 109 to 112 ...

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

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

The National Weather Service released a heat advisory at 11:48 p.m. on Sunday valid from Monday 11 a.m. until Tuesday 9 p.m.

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, ...

The National Weather Service has issued a Heat Advisory for South Florida, promising sizzling days ahead, and emergency ...

The National Weather Service issued a heat advisory for South Carolina Monday. Heat index values may reach 108 with highs in ...