One severe thunderstorm is capable of producing strong winds. But when they team up in summer, they can produce widespread ...

The National Weather Service in San Juan, Puerto Rico, has issued heat warnings and advisories for Puerto Rico and the U.S.

A heat advisory has been issued for the Lower Hudson Valley on Monday, July 28, as heat index levels are predicted to reach over 104 degrees.

Rain chances will increase slightly in coming days to ease temperatures a bit. But it's still going to be very hot.

Temperatures could feel like close to 110 degrees in Iowa today with much of the state under an extreme heat warning. Severe ...

Parts of Mississippi could see heat index values as high as 120 degrees early this week as above-average temperatures are expected.

There's some good news in the tropics: All is quiet, even though there are four tropical waves out there, including three in ...

Extreme heat warning issued for southeast Louisiana and southern Mississippi with heat index values up to 114.

Dangerously hot and humid weather will persist across the Kansas City area, with heat index values expected to soar above 105 ...

A derecho is "likely," according to the Storm Prediction Center — and top meteorologists are warning that wind gusts could ...