With a stretch of VERY hot weather ahead for the rest of this month into August, it is a good idea to look at how we measure ...

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

Heat-related illnesses can quickly progress to life-threatening heat stroke, so it is important to recognize the warning ...

Two chances of strong to severe storms were in the Chicago forecast Saturday, with heat and humidity building next week Published July 18, 2025 • Updated on July 18, 2025 at 7:00 am ...

The heat index, which factors in both air temperature and humidity, will climb past 100 degrees for many Hoosiers due to ...

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 ...

A new California law focused on player safety may lead to delays, cancellations of high school sports early in the season ...

More information: Shuang Zhou et al, Lethal Heat and Humidity Events, Annual Review of Environment and Resources (2025). DOI: 10.1146/annurev-environ-111523-102139 ...