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 ...

"It's not the heat, it's the humidity." Actually, it's both, and that's where the National Weather Service's heat index comes in. Also known as the apparent temperature, the heat index is a number ...

CHICOPEE, Mass. (WWLP) – Western Massachusetts temperatures will reach into the 90s again Tuesday with heat index values over 100 degrees. When talking about heat and humidity, we use a term called ...

Why do we have a heat index? (Copyright 2025 by KPRC Click2Houston - All rights reserved.) I received this email from one of our viewers, Gene Smith: “In our ...

It looks like the sizzling temperatures Jacksonville experienced over the weekend were just preheating the oven. The real scorcher starts today — and will continue through Tuesday. The National ...