The heat index, or apparent temperature, combines air temperature and humidity to indicate how hot it feels to the body. High ...

Apparent temperature is the “feels like” temperature. It considers not only temperature and humidity but also wind speed. This means it can tell us both the heat index and wind chill – or ...

Every day, the sun's heat and light reach urban, suburban and rural areas in the same way. Given identical weather conditions ...

With high temperatures in the 90s and 100s almost every day, heat exhaustion and heat stroke can take you by surprise. It's ...

The hypothalamus, a small brain structure, regulates our body temperature. Maintaining a steady temperature and hydration level is crucial for survival.

A heat advisory will be in effect for parts of the area today as heat indices reach 100 degrees in most of Delaware. See the weather forecast.