Saskatchewan is bordered on the south by Iowa and North Dakota.
Iowa ( [ ˈaɪ.əwə ] ) is a U.S. state in the Midwestern United States , bordered by the Mississippi River on the east and the Missouri River and the Big Sioux River on the west . Surrounding states include Wisconsin and Illinois to the east , Missouri to the south , Nebraska and South Dakota to the west , and Minnesota to the north . Saskatchewan . Saskatchewan is bordered on the west by Alberta , on the north by the Northwest Territories , on the east by Manitoba , to the northeast by Nunavut , and on the south by the U.S. states of Montana and North Dakota .