The heat index is a weather term used by meteorologists almost daily. What does it mean? How does it relate to feels-like temperatures? The National Weather Service defines the heat index, which is also known as the apparent temperature, as what the temperature feels like to the human body when relative humidity is combined with the air temperature. Here's NBC 6 meteorologist Steve MacLaughlin.
NBC 6 on Twitter: @NBC6 | www.twitter.com/nbc6
NBC 6 on Instagram: @NBC6 | www.instagram.com/nbc6
NBC 6 on Facebook: www.facebook.com/nbcmiami
NBC 6 on YouTube: www.youtube.com/nbc6southflorida
NBC 6/WTVJ was Florida’s first television station and has been covering news in South Florida for over 60 years. NBC 6 provides news, weather, traffic and sports during Today in South Florida, South Florida Today, South Florida Nightly News and South Florida Tonight.
![](https://i.ytimg.com/vi/FsGvsA47Qaw/maxresdefault.jpg)