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 dangerous heat wave is set to hit New Jersey behind a pleasant first day of summer, bringing a "heat dome" that will cause heat index values to soar past 100 degrees, according to the National ...

An excessive heat warning is in effect throughout most of Delaware through Wednesday, June 23. The heat index for most of Delaware will hit 100 degrees or higher for much of this week. The heat index ...

After welcoming the first day of summer, a scorching heat wave is set to hit Delaware, bringing a "heat dome" that will cause heat index values to soar past 100 degrees, according to the National ...

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 ...

Dangerous heat index values exceeding 105°F are predicted for the Mid-South starting July 16th. Over 700 annual U.S. deaths are attributed to extreme heat, with vulnerable populations at higher risk.

The heat index could get as high as 111 in South Florida, with the strongest heat expected along the southern Gulf Coast. Temperatures are expected to climb into the mid 90s over inland areas, with ...