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

The humidity and the Heat Index stayed high. Dew points hit 82° Monday and Tuesday, pushing the Heat Index, the “Feels Like” ...

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 ...

The National Weather Service predicts scattered thunderstorms and high heat in Tampa, Florida, with a heat index up to 106°F ...

A Heat Advisory has once again been placed over the entire Lowcountry and is set to be in effect from 11 a.m. to 8 p.m.

Knowing the difference between heat exhaustion and heat stroke could be the key to saving someone’s life. Here’s what you ...

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 ...

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

Central Florida is under a heat advisory on Friday, with temperatures expected to reach a heat index of 104 to 109 degrees.

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