Parking will be first come first served street parking, and is free on the weekends. We suggest carpooling/using Uber, or walking. THERE ARE GARAGES NEARBY-
Closest garage: 114 S Stone Ave, Tucson, AZ 85701 (3 blocks away)
There are many street parking options available, they are free on the weekends but again, first come first served. Google search "parking garages downtown Tucson" and other nearby surface lot/non-garage parking will come up!