The 1989 Association of Mid-Continent Universities Tournament took place from May 12 through 14. The top 4 regular season finishers of the league's seven teams met in the double-elimination tournament held in Chicago, Illinois. Southwest Missouri State won the tournament for the sixth time. The Bears would leave the conference after the 1990 season, the first time they did not win the Tournament.[2]
The top two teams from each division advanced to the tournament. The top seed from each division played the second seed from the opposite division in the second round.