The Clara R. McKenna Aquatic Center is the community pool in Antigo. It is an indoor facility with a zero-depth entry pool and a water slide. It looks like there are splash features as well. I would definitely try this place out, rain or shine!
Clara R. McKenna Aquatic Center
111 Western Avenue ~ Antigo, WI ~ 715-627-0497
Admission: $3/student, $5/adult, $11/family