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 ...

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 ...

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

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

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

A Flood Watch is in effect from 2 p.m. Thursday through 2 a.m. Friday for Washington, D.C., and portions of Maryland and ...

Tampa reached another milestone on Tuesday afternoon, reaching an all-time record heat index of 119° at around 2:30 p.m.

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

The National Weather Service issued a Heat Advisory for west central Florida due to heat index values up to 109 degrees, ...

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