Duncombe, Iowa is a small town located in central Iowa with a humid continental climate characterized by hot summers and cold winters. The town is situated near the Des Moines River, which is an important hydrological feature of the area. The river provides opportunities for fishing, boating, and other outdoor recreational activities. The water in the river is monitored for hydrology constituents such as sediment, nutrients, and bacteria, to ensure it is safe for recreational use. In addition to the Des Moines River, Duncombe is surrounded by several parks and natural areas that offer hiking, biking, and camping opportunities. Overall, Duncombe is a great destination for outdoor enthusiasts looking to explore the beautiful Iowa landscape.