With the heat of summer upon us, we hear a lot about the heat index in our weather forecasts these days. But what exactly is the heat index and how is it calculated? "It's kind of the summer version ...

AUSTIN (KXAN) – With blistering heat this summer, you’ve likely heard a few people say “it’s not the head, it’s the humidity.” Turns out both things are true: it’s called the Heat Index. The heat ...

OMAHA, Neb. (WOWT) - During a heat wave in the summer, temperature is often compared to the feels-like temperature, or heat index. Heat index factors in relative humidity, which impacts the body’s ...

Rochester is entering its first heat wave of the summer, with an air temperature above 90 degrees expected for the next four days. The heat index will be even higher, expected to exceed 95 degrees ...