With a stretch of VERY hot weather ahead for the rest of this month into August, it is a good idea to look at how we measure ...

A nother heat advisory and First Alert Weather Day are in effect on Friday due to dangerous heat lingering around North Texas ...

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

Sauna-like conditions on Friday are threatening to break records in major Northeast cities during summer’s hottest month ...

Sweltering and "dangerous" heat with indices surpassing 100 degrees Fahrenheit across parts of nine states has prompted the ...

The heat index, or apparent temperature, combines air temperature and humidity to indicate how hot it feels to the body. High humidity slows sweating, the body's natural cooling system, making ...

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

The combination of corn sweat, the exhalation of water vapor through leaves, and a heat dome is bringing dangerously hot ...

If you factor in the heat index, cities like Houston, Memphis and Cleveland are as hot or hotter than Phoenix this week.

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.

The ‘heat dome’ is expected to generate triple-digit temperatures in the Midlands for several days in a row soon, the ...

Sometimes the temperature outside feels warmer than it is, and there's a reason. Here's a breakdown of the heat index.