In the beginning, a heat dome evaporates moisture in the soil. But then, the evaporation will significantly raise humidity.

Georgia's latest heat wave isn't just typical July weather. Scientists say climate change is making these extremes hotter, ...

On Tuesday night into early Wednesday, skygazers will be treated to dueling meteor showers converging as the Alpha Capricornids and the Southern Delta Aquarrids both reach peak activity.

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

Much of July‘s seemingly intractable hot weather is being fueled by a “heat dome” that has been lingering in the eastern ...

The Chicago area is in what is called a "ring of fire" weather pattern for the start of the work week -- and it could mean quick changes in conditions.

A heat index topping 100 degrees will convert much of the tristate area into a sauna for the next three days, weather officials said Monday in yet another heat advisory.

As mercury hits sweltering 46C in places, people urged to stay indoors, stay cool and hydrated, protect young children and ...

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

Sweltering heat and high humidity gripped the Washington, D.C., area Monday, with temperatures climbing into the mid-90s and ...

"Cooler" weather is on the way, with highs starting to taper off Wednesday into the weekend, but temperatures will still be ...