You need to start learning what the wet-bulb temperature is, as climate change makes the deadly combination of heat and humidity more likely.

With an early summer heat wave baking Michigan and the Midwest, residents may notice two temperatures provided with daily forecasts: actual and apparent — or "feels like" — temperatures based on the ...

A Heat Advisory is issued when the heat index value, or the “feels like temperature”, is expected to reach a threshold of 100°F-105°F for a period of time, prompting people to take ...

The heat index is a factor of air temperature and relative humidity. What is heat exhaustion? Heat exhaustion is the first sign that your body is having trouble self-regulating your body temperature.