The heat index, also known as the apparent temperature, is what the temperature feels like to the human body when relative humidity is combined with the air temperature. The index offers important ...

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 ...

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

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

The National Weather Service says heat indices as high as 114 are possible in Panama City and issued an advisory. Meanwhile ...

The heat index could get as high as 111 in South Florida, with the strongest heat expected along the southern Gulf Coast.

Heat-related illnesses can quickly progress to life-threatening heat stroke, so it is important to recognize the warning signs and take steps to stay cool, such as drinking fluids, finding shade, and ...

Learn about the importance of relative humidity, dew point, and their impact on how humid it feels, with tips from ...

The Laredo forecast from the NWS projects high relative humidity with two-thirds of upcoming mornings falling within an ...

The National Weather Service has issued a Heat Advisory for Kent and Sussex counties, and an Extreme Heat Watch for New ...