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

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 ...

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.

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

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

There have been several heat domes which have affected hundreds of millions of people at once. One in Russia in 2010, was ...

A dome of extreme heat is covering a very large part of the country this week and bringing dangerously hot temps to Atlanta and North Georgia.

present moisture will allow for continued humid conditions with heat index values today inching towards triple digits ...

New York City is bracing for the start of a potential heat wave beginning today, with city officials and weather experts urging residents to take precautions as temperatures rise.