The heat, combined with the high moisture content, is causing the heat index values to reach up to 107 degrees on Saturday ...

Severe and extreme heat-related impacts are expected across a wide swath of the U.S. this weekend and next week.

The best temperature to set your air conditioner at can depend on several factors, including comfort preferences, energy ...

According to the report, you should set your thermostat to 78 degrees Fahrenheit when you’re home, 85 degrees when you’re at ...

At least 130 million people from Texas to Maine are under alert for dangerous heat and humidity over the next few days.

A Heat Advisory is in effect from noon to 9 pm Thursday. Expect heat index values up to 107 with temperatures of 99 to 103.

How low should you set your thermostat for as record-breaking heat sweeps over the country? Here's what experts and other ...

How is the heat index calculated, and why is it more important than the air temperature during some heat waves?