Temperatures are skyrocketing for the third straight day across the Eastern US, but there’s at least three different ways to say how hot it really is.

We all hate the sticky feeling that hot, humid days bring. But what's the science behind why it makes us so uncomfortable?

Temperatures in the triple digits are expected through the Fourth of July weekend and beyond. Follow these expert-approved tips to learn how to read your local heat index to determine if it's safe to ...

What is the heat index? Learn how humidity makes temperatures feel hotter, why it matters during New York's heat wave and when heat becomes dangerous.

Many are probably asking the same question right now: why does the humidity make it feel so hot? The answer: science!

BOWLING GREEN, Ky. (WBKO) - We have been talking a lot about hot temperatures with the heatwave we’re in, bringing up humidity and the heat index. But what are heat indices, and how do they affect us?

Heat can be dangerous, but health experts say there are ways to manage the threat. Scorching temperatures, especially ...

Florida has a well-earned reputation for its muggy, humid summers. Which heat is worse: Florida's "wet blanket" or Arizona's "furnace"? What does heat index really mean? Heat-related symptoms to watch ...

Oklahoma City is pushing the daily record for June 11 as temperatures close in on the three-digit mark. The predicted 95-degree high is only the air temperature over Oklahoma City. Temperatures could ...

Humidity levels are set to rise towards the end of the week, bringing with them a noticeable shift in the air's moisture content.