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

At 2:08 p.m. on Monday, the National Weather Service released a heat advisory in effect until Tuesday at 9 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 ...

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 ...

Hot and humid conditions continue for Central Florida on Monday with the region under a heat advisory from noon-6 p.m., ...

Heat index values will climb into the lower 100s and topping off Tuesday close to 106°. The storms firing up are driven by ...

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 office in Mobile, Alabama, issued a heat advisory in Escambia, Santa Rosa and Okaloosa counties between 10 a.m. and 7 p.m. Monday. Heat index values are forecast to reach ...