The regular season ended 16 weeks later on June 20, 2015, with the Green Bay Blizzard visiting the Iowa Barnstormers.
The Texas-based Wichita Falls Nighthawks expansion team replaced the Texas Revolution which left for Champions Indoor Football for the 2015 season.
The Iowa Barnstormers joined the IFL from the Arena Football League after making a move due to easier regional travel.
The Wyoming Cavalry folded, and the league accepted the expansion franchise of Billings Wolves and the Wichita Falls Nighthawks.
[1] The city was previously home to the Billings Outlaws, who folded after a tornado heavily damaged the arena leaving them with heavy, uninsured losses.