Locked up and feet down, Iowa duck hunters are ready for opening day 9/19/2017 2:38:00 PM View Count 4347 Waterfowlers have waited all year for this: for the next three weekends in Iowa, there will be an opening day for duck and goose hunting. The north zone opens on Sept. 23, the south zone opens on Sept. 30 and the Missouri River zone opens on Oct. 7.