You know what high temperatures are and you know what humidity is. You also know how they feel. But do you know what heat index is? With a heat wave hitting South Jersey, meteorologists are talking ...

Temperatures this week are some of the hottest we have seen the entire year now as we get to the end of July. This is a perfect opportunity to explain what the Heat Index is and how it is all ...

WICHITA, Kan. (KAKE) — When you hear the term “heat index” in the forecast, it’s usually paired with a much higher number than the actual temperature. For example, you might hear us say “It’s 94 ...

With temperatures set to reach the mid-90s and the humidity making it feel even hotter, you'll likely hear a lot about the heat index this week. As a heat wave brings excessive heat warnings to ...