AThe hours vary seasonally, but typically are
Monday - Thursday: 4 pm - 9 pm, Friday: 4 pm - 10 pm, Saturday: 8 am - 1 1 am, Sunday: 12 pm - 10 pm
Holidays and Summer: 8 am - 11 am and 4 pm - 10 pm. Additional info can be found at https://www.wingatemissoula.com/water-park