Leeann Gutierrez, center, splashes siblings Bo'Luke, left, and, Romeo, right, as they keep cool in the Guadalupe River, Wednesday, Aug. 21, 2024, in New Braunfels, Texas. (AP Photo/Eric Gay)

Leeann keeps cool in the Guadalupe River as temperatures in South Texas hit triple-digit numbers, Wednesday, Aug. 21, 2024, in New Braunfels, Texas. (AP Photo/Eric Gay)

A tuber floats the cool Comal River as temperatures in South Texas hit triple-digit numbers, Wednesday, Aug. 21, 2024, in New Braunfels, Texas. (AP Photo/Eric Gay)

A tuber floats the cool Comal River as temperatures in South Texas hit triple-digit numbers, Wednesday, Aug. 21, 2024, in New Braunfels, Texas. (AP Photo/Eric Gay)

A paddler moves down the Guadalupe River as temperatures in South Texas hit triple-digit numbers, Wednesday, Aug. 21, 2024, in New Braunfels, Texas. (AP Photo/Eric Gay) Wednesday, Aug. 21, 2024, in New Braunfels, Texas. (AP Photo/Eric Gay)

Romeo Gutierrez, center, is splashed by siblings Cipporah, left, and Leeann, right, as they keep cool in the Guadalupe River, Wednesday, Aug. 21, 2024, in New Braunfels, Texas. (AP Photo/Eric Gay)

Tubers float the cool Comal River as temperatures in South Texas hit triple-digit numbers, Wednesday, Aug. 21, 2024, in New Braunfels, Texas. (AP Photo/Eric Gay)

Romeo Gutierrez, center, plays with siblings Cipporah, left, and Leeann, right, as they keep cool in the Guadalupe River, Wednesday, Aug. 21, 2024, in New Braunfels, Texas. (AP Photo/Eric Gay)