A boy snorkels in the Mediterranean Sea at Gador sea and nature reserve during a summer heat wave in Hadera, Israel, Tuesday, Aug. 27, 2024. (AP Photo/Ariel Schalit)

A student works under shade from record-breaking heat at the University of Texas Rio Grande Valley campus Monday, Aug. 26, 2024, in Edinburg, Texas. (Delcia Lopez/The Monitor via AP)

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)

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)

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)