Blistering heat and oppressive humidity are expected in the city of Chicago and parts of Illinois this week, with excessive heat warnings and heat advisories going into effect. Forecasters are warning ...

A question we receive quite often at NBC6 is why we report on the heat index as much as, or even more than, we report on the temperature. The heat index--also called the apparent temperature or ...

ROCHESTER, N.Y. (WROC) — Throughout the summer, much of the country has experienced at least a few days of extreme heat. In some cases, Americans were seeing large differences between real and ...

LOUISVILLE, Ky. — It’s that time of the year again when heat and humidity cause sweltering temperatures across Kentucky and southern Indiana. You’ve likely heard about the heat index mentioned once or ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ROCHESTER, N.Y. (WROC) — Throughout the ...