What is heat index and how does it affect how stifling excessive heat feels?

New York state has entered its first heat wave of the summer - with highs expected to soar into the upper 90s and even past ...

Michigan's heat wave this week will feel even warmer because of high humidity. Here's how the heat index works.

While you should remain in an air-conditioned room during the heat wave, if you do go outside you should do the following: ...

The metric of how hot the air actually feels has roots in a 1979 journal paper called “The Assessment of Sultriness.” By Andy Newman In recent days, you may have seen or heard many mentions of a ...

The National Weather Service has issued an extreme heat warning for New Castle County and an extreme heat watch for Kent and ...

Extreme heat warnings have been issued for the entire state July 1. An extreme heat warning for New Castle County will take ...

Much of the U.S. is under a blanket of oppressive heat as people prepare for a sweltering July 4th holiday. It’s during times ...

A persistent heat wave in Kentucky and southern Indiana is bringing a heat index that's soaring into the triple digits.

Heat can be dangerous, but health experts say there are ways to manage the threat. Scorching temperatures, especially ...

Exercising outside in high temps can be a health hazard. Here's how to read your local index, according to a doctor, so you can stay safe.