Blistering heat and oppressive humidity are expected in the city of Chicago and parts of Illinois this week, with excessive heat warnings and heat advisories going into effect. Forecasters are warning ...

During the hot, humid summer months, meteorologists often discuss the heat index instead of the actual air temperature. But how is the heat index calculated, and why is it more important than the air ...

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 ...

A question we receive quite often at NBC6 is why we report on the heat index as much as, or even more than, we report on the temperature. The heat index--also called the apparent temperature or ...

ANGELES. WELL, WE ALL KNOW HOW HOT IT GETS HERE DURING THE SUMMER IN SOUTH FLORIDA, BUT IT ACTUALLY FEELS MUCH HOTTER WHEN YOU FACTOR IN THE HUMIDITY. FIRST WARNING METEOROLOGIST BROOKE SILVERING ...

We've all heard: "It's not the heat; it's the humidity." Well, it's not just a cliché; there is truth to it. According to the National Weather Service, the heat index is what the temperature feels ...

WASHINGTON — As the first heat wave of the season takes hold, people might be hearing a lot about "feels-like" temperatures. For example, WUSA9 meteorologists say at 4 p.m. Monday, the temperature ...

Every summer, TV meteorologists across the United States increasingly trumpet the “heat index” as an important headline number. But that figure -- the infamous “feels like” temperature -- is a ...