140 Million Americans Under Heat Alerts; Death Valley Reaches 128 Fahrenheit

West hit hardest, with many areas reporting temperatures over 110 F, while warnings also were issued for mid-Atlantic and Northeast states.

A man walks near the Las Vegas strip during a heatwave on July 7, 2024. Robyn Beck/AFP via Getty Images

Some 140 million Americans were under some form of federal heat warning on July 8 as a multiday heat wave inundated much of the United States, particularly the West Coast.

A daily tracker provided by the National Weather Service (NWS) on July 8 showed excessive heat warnings, heat advisories, and excessive heat watches across California, Nevada, Oregon, Washington, Arizona, Utah, and Idaho on July 8.