The heat index is a measure of how hot it really feels on your body when relative humidity is factored in with the actual air ...

Humidity doesn’t just make you feel sticky and uncomfortable – it also creates extra dangerous conditions on hot days.

Knowing the difference between heat exhaustion and heat stroke could be the key to saving someone’s life. Here’s what you ...

If you are living in one of many areas of the U.S. currently experiencing a heat wave, your outdoor thermometer may say it's ...