April 8-10, Boone, Boone Fairgrounds*** 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.
April 9&10, Odebolt, Odebolt Community Center
April 15-17 Des Moines, Iowa State Fairgrounds
April 29,20 & May 1, Council Bluffs, Westfair
For more details go to Iowa Gun Shows