Aug 6-8 Sioux City, Convention Center
Aug 20-22 Waterloo, 5 Sullivans Convention Center
Aug 27-29 Boone, Boone County Fairgrounds
Aug 27-29 Council Bluffs, Mid America Center
*** 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, please let me know in the comments.
For more details go to Iowa Gun Shows