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 ...

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

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

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

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.

Extreme Heat Warning in Memphis with heat index up to 110°F, affecting surrounding areas until 8 PM CDT Thursday.

Heat index values will hover around 110 degrees this afternoon, but scattered showers and thunderstorms will be in store ...

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

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

An extreme heat warning and a heat advisory were issued by the National Weather Service for portions of Central Florida and ...

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