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 ...

The heat index, or apparent temperature, combines air temperature and humidity to indicate how hot it feels to the body. 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 ...

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 ...

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 ...

The heat you feel outside is rising far faster than the temperature on the thermometer. New research from the University of ...

Florida is under a heat advisory with dangerous heat index values expected to reach 110-115 degrees. The heat dome affecting the South may cause record high temperatures and poses extreme heat risks.

Heat advisories have been issued across Florida, with heat index values expected to reach 110-115 degrees. The heat dome affecting the South may cause record high temperatures in the Southeast. Heat ...

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 ...

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 ...