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 ...

News Storm Team Meteorologist Chris Bouzakis has a look at what the heat index is and how it can cause heat-related illnesses ...

Humidity doesn’t just make you feel sticky and uncomfortable – it also creates extra dangerous conditions on hot days.

If you are living in one of many areas of the U.S. currently experiencing a heat wave, your outdoor thermometer may say it's ...

Here’s what a heat dome is, how it’s different from a heat wave and how hot it has to get for each region of Florida to issue ...

An extreme heat warning and an extreme heat watch were issued by the National Weather Service in Jacksonville for July 28 and ...

The advisory, expected to last from noon to 8 p.m., spans several areas including Cook, Dekalb, McHenry and DuPage counties, ...

On the heels of the hottest day in Tampa history, 100 degrees on Sunday, Tampa International Airport (the official reporting ...

Knoxville bracing for high heat index of 101 degrees, limited visibility due to fog, and potential thunderstorms; slight ...

Jacksonville is under an extreme heat warning until 7 p.m., with temperatures expected to climb into the hundreds and a feels ...

Jacksonville, North, Northeast Florida: Dangerous heat today, with heat index of 108 to 115. Extreme heat warning and heat ...