Sept 9-11 Cedar Rapids, Hawkeye Downs*** I get this list from the link below and other searches and I can't guarantee the accuracy of the list. If anyone notices a show that needs to be corrected or added, please let me know in the comments.
Sept 17-18, Westphalia, Vol. Fire Dept.
Sept 23-25 Des Moines, Iowa State Fairgrounds
For more details go to Iowa Gun Shows