With an early summer heat wave baking Michigan and the Midwest, residents may notice two temperatures provided with daily forecasts: actual and apparent — or "feels like" — temperatures based on the ...

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 ...

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 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 ...

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 ...

"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 ...

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 ...

A scorching heat wave is set to hit New Jersey following a pleasant first day of summer and beach day, bringing a "heat dome" that will cause heat index values to soar past 100 degrees, according to ...

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 ...

A heat advisory was issued for South Florida with a heat index reaching up to 111 degrees. Southwest Florida is experiencing a heat index between 100 and 107 degrees. Central Florida and parts of the ...