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 ...

As the Chicago area braces for a significant blast of hot temperatures and dangerous conditions, residents will once again have to acquaint themselves with specific measurements and terms. One of the ...

* How many good messages were trapped in your spam filter last month? “Add these four numbers up and that’s your Spam Index. “You can compare your Spam Index over time, as changes to the e-mail system ...

With day 13 of the D.C. heat wave in the works, there has been a lot of talk about the heat index. The heat index is our "feels-like" temperature for the summer months (and it's crossed the 100 degree ...