'Extremely dangerous heat wave' to scorch parts of US

A man shields himself from the sun in Las Vegas during a heat wave.
(Image credit: Ronda Churchill / AFP via Getty Images)

Temperatures across the United States are expected to soar this weekend, as much of the country deals with a potentially record-breaking heat wave.

A large portion of this heat will be seen in the western and southern U.S., where a "sweltering and extremely dangerous heat wave" will cause temperatures to "reach levels that would pose a health risk," according to the National Weather Service (NWS). These temperatures can be "potentially deadly to anyone without effective cooling and/or adequate hydration," the NWS added.

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Portions of California, Nevada, and Arizona are likely to be among the hottest places in the world this weekend, with the NWS reporting that parts of the desert in all three states are expected to top 120 degrees Fahrenheit on Saturday. Excessive heat warnings are also in place from Texas to Alabama. The city of Phoenix has seen a string of deadly heat, and the temperature in Arizona's largest metropolis is forecasted to pass 110 degrees for the next seven days.

Las Vegas is set to see similar temperatures, and is forecasted to reach 118 degrees on Sunday. If this holds true, it would be the hottest day in the city's recorded history, as Las Vegas has only ever gotten as hot as 117 degrees. The hottest place overall, though, could be Death Valley, California, where USA Today reported that the mercury could reach 130 degrees — just four degrees under the hottest temperature ever recorded on Earth. The NWS said Death Valley will "struggle to fall below 100 degrees" even overnight.

Justin Klawans, The Week US

Justin Klawans has worked as a staff writer at The Week since 2022. He began his career covering local news before joining Newsweek as a breaking news reporter, where he wrote about politics, national and global affairs, business, crime, sports, film, television and other news. Justin has also freelanced for outlets including Collider and United Press International.