Arizonans float through Memorial Day Weekend 2021 with Salt River Tubing

Outdoor enthusiasts enjoy the Salt River on May 29, 2021.

Traffic backs up on the Bush Highway at the Salt River on May 29, 2021.

(From left to right) Noah Delgadillo, 9, Keira, 13, of Surprise and Maya Macias, 12, and Nylah Fontes, 8, of Phoenix, play in the Salt River on May 29, 2021.

Tubers float down the Salt River on May 29, 2021.

Brandon Richardson, 31, and Tiffany McCarthy, 27, of Tucson, play with squirt guns while tubing at the Salt River on May 29, 2021.

Tube pusher Diego Acosta pulls tubes for customers at the Salt River on May 29, 2021.

Morgan Ruesga, 24, of Mesa, cools off his friends at the Salt River on May 29, 2021.

Tubers ride the bus to the Salt River on May 29, 2021.

Jessica De Holleben uses her tube as a hat while waiting for the bus Salt River Tubing on May 29, 2021.

Tube pusher Diego Acosta pulls tubes for customers at the Salt River on May 29, 2021.

Tubers decked out for Memorial Day pose for a photo at the Salt River on May 29, 2021.

Samantha Spooner, 26, of Tucson, squirts her friends with water while tubing at the Salt River on May 29, 2021.

Joselyn Correa, 27, of Phoenix, carries her raft to the Salt River on May 29, 2021.

Bus driver Laurie Barnes helps tubers off the bus at the Salt River on May 29, 2021.

Tubers make their way to the lower Salt River on May 29, 2021.

Tubers enjoy the Salt River on May 29, 2021.

Traffic backs up on the Bush Highway at the Salt River on May 29, 2021.

Tubers make their way down the Bush Highway to the lower Salt River on May 29, 2021.

Tubers enjoy the Salt River on May 29, 2021.

Tubers float down the Salt River on May 29, 2021.

Outdoor enthusiasts enjoy the Salt River on May 29, 2021.

Tubers float down the Salt River on May 29, 2021.

Morgan Ruesga, 24, of Mesa, cools off his friends at the Salt River on May 29, 2021.

Samantha Spooner, 26, of Tucson, squirts her friends with water while tubing at the Salt River on May 29, 2021.

Outdoor enthusiasts enjoy the Salt River on May 29, 2021.

Noah Delgadillo, 9, of Surprise (left) and Maya Macias, 12, of Phoenix, play in the Salt River on May 29, 2021.