"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 ...

Conditions are hot and humid in Michigan and getting hotter as the week goes on. Forecasters often refer to the heat index as a way to measure the "feels like" temperature. Here's a look at what that ...

What does the "heat index" mean and how does it apply to people? -- S.S., Tulsa. The World Almanac and Book of Facts, updated annually, always includes the heat index ...

Temperature is one of the primary factors in every weather forecast, but when we get into the dog days of summer, it’s just not that simple. We have to use something called the “heat index” to ...

Add Yahoo as a preferred source to see more of our stories on Google. The sticky combination of heat and high humidity can be more than uncomfortable -- it can be deadly. Mario Tama/Getty Images ...

CHARLESTON, S.C. (WCSC) - High temperatures and humidity produced potentially dangerous heat index values for the third day in a row on Monday. An extreme heat warning for the Lowcountry that went ...

FIRST ALERT WEATHER. SO WE GOT A MIXED BAG OF THINGS COMING. IMPACT ALERT KIND OF ESCALATED QUICKLY. IT DID. YEAH. YOU KNOW SO WE HAVE SOME ALERT DAYS BECAUSE OF THE HEAT. YOU KNOW, JUST TOMORROW’S ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Brian Bossak, College of Charleston (THE CONVERSATION) Millions of people are under ...

The heat index is a measure of how hot it really feels on your body when relative humidity is factored in with the actual air temperature. Since heat index values were devised for shady, light wind ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) For many people, summer is a time for cookouts, beach trips and other outdoor ...