Much of the country is deep in the middle of a heat wave right now. And every summer, Duane Stilwell's town in Arizona seems to get hotter. It has him worried — and he's not the only one. Since 1980, ...

The combination of hot temperatures and very muggy weather will create dangerous conditions for outdoor activities each afternoon through midweek.

July will make a potentially record-breaking exit this week as a heat dome will create triple-digit feels-like temperatures ...

A prolonged heat wave continues across east-central Florida on Tuesday, with well-above-normal temperatures and heat index readings. An Extreme Heat Watch (Orlando northward) and a Heat Advisory ...

Once again, record highs will be challenged in both Boston and Worcester. We are currently forecasting a tie of the near ...

National Weather Service meteorologist Nick Luchetti assesses the severity of this month's heat wave and why it is particularly concerning.

PANAMA CITY — July 28 got hot in Bay County, with even higher heat indices expected on July 29. As Alert Bay sends out heat ...

With this week's heat wave likely leaving conditions feeling like it is more than 100 degrees on Tuesday, Massachusetts could ...

More than 250 million people in the U.S.—nearly three quarters of the population—are experiencing moderate, major or extreme ...

Millions of Americans are under heat alerts Monday as a heat wave brings triple-digit temperatures or heat indices to nearly ...

Extreme heat has again enveloped the tri-state area, prompting the National Weather Service to issue heat advisories through ...

A dangerous stretch of extreme heat is gripping much of the Southeastern United States this week, with the most intense ...