Ronald Okee, of Des Moines, Iowa, walks barefoot along the asphalt trail as the heat index tops 100 degrees at Gray's Lake Park, Monday, Aug. 26, 2024, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)
T & J Landscaping owner Tom Caramagno, third from left, and members of his crew work Monday, Aug. 26, 2024, on a drainage issue outside a home in Bloomfield Township, northwest of Detroit, where the temperature was in the high 80s. (AP Photo/Corey Williams)
Judah Boyle, of Des Moines, Iowa, splashes water as he runs on the beach at Gray's Lake Park, Monday, Aug. 26, 2024, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)
Judah, left, and Abby Boyle, of Des Moines, Iowa, splash in the water at the beach at Gray's Lake Park, Monday, Aug. 26, 2024, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)
Bob Boyle, center, of Des Moines, Iowa, stands in the water with his grandchildren Abby, left, and Judah Boyle at Gray's Lake Park, Monday, Aug. 26, 2024, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)
A worker is diffused by heat vapors while directing traffic around a construction project as temperatures topped 100 degrees Fahrenheit (37.8 Celsius) on Monday, Aug. 26, 2024, in Olathe, Kan. (AP Photo/Charlie Riedel)
Crowds make their way through the Minnesota State Fair in Falcon Heights, Minn., on Monday, Aug. 26, 2024. (AP Photo/Mark Vancleave)
Seven-year-old Harper Perkins, center, and her sister Brielle of Princeton, Minn., cool off in a misting fountain at the Minnesota State Fair in Falcon Heights, Minn., on Monday, Aug. 26, 2024. (AP Photo/Mark Vancleave)
A tuber floats in the lake at Gray's Lake Park as the heat index tops 100 degrees, Monday, Aug. 26, 2024, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)
Seven-year-old Harper Perkins, center, and her sister Brielle, of Princeton, Minn., cool off in a misting fountain at the Minnesota State Fair in Falcon Heights, Minn., on Monday, Aug. 26, 2024. (AP Photo/Mark Vancleave)
Ronald Okee, of Des Moines, Iowa, walks barefoot along the asphalt trail as the heat index tops 100 degrees at Gray's Lake Park, Monday, Aug. 26, 2024, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)
A worker is diffused by heat vapors while marking pavement on a street construction project as temperatures topped 100 degrees Fahrenheit (37.8 Celsius) on Monday, Aug. 26, 2024, in Lenexa, Kan. (AP Photo/Charlie Riedel)
A worker is diffused by heat vapors while marking pavement on a street construction project as temperatures topped 100 degrees Fahrenheit (37.8 Celsius) on Monday, Aug. 26, 2024, in Lenexa, Kan. (AP Photo/Charlie Riedel)