ROCHESTER, N.Y. (WROC) — Throughout the summer, much of the country has experienced at least a few days of extreme heat. In some cases, Americans were seeing large differences between real and ...

The heat index, or apparent temperature, combines air temperature and relative humidity to indicate how hot it feels. High humidity slows sweating, the body's natural cooling system, making ...

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 ...

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 ...

When conditions are hot and humid, meteorologists often warn about high heat index values, but what exactly does that mean? The heat index is a measurement of what the temperature feels like to the ...

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 ...

(WKBW-TV) BUFFALO, NY — We’ve had some hot weather as of late, and often we talk about the heat index. But just exactly what does that mean? We’re in the heart of the summer season here in Western New ...

As August kicks off, South Carolina residents are again under a heat advisory with temperatures that could feel like 108 degrees. Like much of the Southeast, Upstate residents will see the heat index ...

Hot weather and heat waves have become more frequent in recent decades, which sometimes include hot air that gets trapped under a high-pressure “heat dome.” A heat dome effect happens when there is a ...