You’ve probably heard people say, “It’s not the heat, it’s the humidity.” There’s a lot of truth to that phrase, and it’s ...

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 ...

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 ...

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

This little adjustment will help make the heat more tolerable for our area. Saturday, highs will stay below the average with ...

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

If you have beach plans today, prepare for the heat and the extreme UV index. Heat index values will be over 110-115 degrees during the afternoon. Wave heights will be around 2 to 3 feet with a low ...

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

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 ...

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

Central Florida faces a sweltering night Monday with lows near 80 degrees and heat index values still in the 90s, followed by ...