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

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

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

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

It’s that time of year again, when the subtle warmth of June gives way to the blistering heat of July. The seventh month on the calendar usually sparks plenty of humidity talk across the Midwest.

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

As summer temperatures rise, dairy cows are at greater risk for heat stress. Heat-stressed cows suffer from reduced dry ...

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 ...