A heat advisory and air quality alert is in effect for the Lower Hudson Valley July 30, following two consecutive days of ...

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 ...

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

THE WEEKEND AHEAD: Heading into the weekend, scattered showers and storms will continue. Highs will fall into the mid and ...

The top heat index in Washington on a sultry Tuesday appeared to be 103. The heat index, the “feels-like” temperature, ...

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 ...

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