Rodeos and other local events.
The Whoopee Days Rodeo is also held here around the 4th of July, and is a popular event among locals. Admission is $8 and tickets can be bought at the Rexburg Chamber of Commerce.
The County Fair is held in late summer, and hosts livestock competitions, amateur rodeos, booths, arts & crafts, funnel cakes, and rides. The County Fair is free admission.
There is a new website (as of 2016). Take a look: https://madisonfairgrounds.com/