You've probably heard of the heat index, and you might be aware of the National Weather Service's HeatRisk tool, but do you know what a heat dome is? If not, it's the perfect time to learn -- nearly a ...

The US is experiencing its first heat wave of the year, beginning Friday across the Great Plains and expanding into parts of ...

Nearly 100 million Americans from the South to Midwest are under heat alerts with warnings that temps could rise at high as 115 degrees in some regions. NBC’s Shaquille Brewster reports and TODAY’s Al ...

The highest temperatures so far this year will combine with increasing humidity and intense summer sunshine to create dangerous, life-threatening conditions for roughly 170 million people, AccuWeather ...

NEW ORLEANS — “It’s hot,” one person laughed — and they’re not wrong. With temperatures climbing into the high 90s, the summer heat in Southeast Louisiana is pushing people to their limits. “It’s a ...

SEATTLE — Residents of the western U.S. are sweltering in a heat wave that’s already hospitalized some as temperatures will continue to hit dangerous levels throughout the weekend in Washington, ...

Temperatures in the D.C. area are expected to feel like they are in the mid-90s for the next few days, which prompted Mayor Muriel Bowser to issue a Heat Alert for the District. Bowser, who issued the ...

TALLAHASSEE — Accusing the state of "deliberate indifference," a federal lawsuit filed Thursday alleges that sweltering heat in a Miami-Dade County prison unconstitutionally violates inmates' rights ...

Thomas is a native of upstate New York and a graduate of the University at Albany. As a former member of CNET's How To team, he wrote about the intersection of policy, information and technology, and ...