It's not just you. It's hot out there — dangerously hot. Heat index advisories have been issued for the entire state of Florida with heat index values of 110-115 expected for July 21 as a heat dome ...

The Treasure Coast is under a heat advisory with heat index values expected to reach 108 degrees. Even at night, there will be little relief from the heat, and air conditioning is considered necessary ...

Temperatures are climbing into the 90s and heat index values into the 100s, prompting a heat advisory for the region. Scorching temperatures combined with the high humidity are expected Thursday, July ...

The heat you feel outside is rising far faster than the temperature on the thermometer. New research from the University of ...

The heat index is a measure of how hot it really feels on your body when relative humidity is factored in with the actual air temperature. Since heat index values were devised for shady, light wind ...