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 ...

"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 ...

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 ...

PIEDMONT TRIAD, N.C. (WGHP) — An Excessive Heat Warning is in effect until 8 p.m. for Alamance County and Chatham County. The heat index today could be at or above 110 degrees. An Excessive Heat ...

PIEDMONT TRIAD, N.C. (WGHP) —A Heat Advisory will be in effect from 10 a.m. until 8 p.m. for Chatham County. We have a couple more hot, humid days ahead before a cold front ushers in cool, drier ...

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 ...

NORFOLK, Va. — "Feels-like" temperatures could reach triple digits on Tuesday, prompting a heat advisory from the National Weather Service. When combined with high humidity, the heat index — or what ...

The heat index, the “feels-like” temperature, exceeded 100 degrees again in Washington on Tuesday, in a sort of demonstration that history does repeat itself, while also authorizing use of the ...

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 ...

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 ...