ARLINGTON, Va. − A heat dome expanding across much of the Midwest and South will envelop over 100 million Americans with temperatures at or above 100 degrees on an almost daily basis this week, ...

Triple digit temperatures are cooking vast areas of America under an intense and nearly historic heat dome, with places that haven't seen such extremes for more than a decade breaking records.

It's the middle of summer and millions across the United States have sweltered under the effects of a heat dome, a phenomenon that acts like nature's oven. A heat dome is a sprawling area of high ...

A massive heat wave has broken heat records in 14 states, including Arizona and California, reaching up to 112 degrees Fahrenheit in some areas. Now it's creeping eastward, according to the National ...

A heat dome is trapping over 90 million Americans in extreme temperatures this week with the National Weather Service issuing heat alerts from Nebraska to Florida. Dangerous heat threatens to bake ...

The summer heat just got turned up a notch − and trapped under a lid. About 100 million people will be living with 100-degree days, according to AccuWeather RealFeel® Temperatures. The cause? A ...

From Texas clear to Georgia, from the Gulf Coast on up to the Canadian border, a mass of dangerous heat has started spreading like an atmospheric plague. In the days and perhaps even weeks ahead, a ...

• Severe thunderstorms are possible north of Madison as storms develop around the heat dome's perimeter • While daytime temperatures haven't increased significantly since the 1950s, overnight ...

Tyler is a writer for CNET covering laptops and video games. He's previously covered mobile devices, home energy products and broadband. He came to CNET straight out of college, where he graduated ...