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

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 ...

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

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

The heat index shows how humidity makes hot days feel hotter, and why direct sun can push dangerous conditions even higher.

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

Extremely dangerous heat, coupled with humidity, could result in heat index readings of 100 to 115 degrees from the Midwest ...

Peoria, IL has approved the addition of six Community Service Officers to handle minor issues in downtown, allowing sworn ...

Climate change analysis requires datasets that not only cover a long span of time, but are also homogeneous through time. A homogeneous climate record is one in which all observed climate variations ...