Arthur, Iowa is a small town located in Ida County in western Iowa. The climate of Arthur is typical of the Midwest, with hot summers and cold winters. Precipitation is fairly evenly distributed throughout the year, with an average of around 30 inches annually. The town is situated near the Maple River, which is a tributary of the Missouri River. Hydrology constituents in the area include nitrates and phosphates, which can impact water quality. Outdoor recreation opportunities in Arthur and the surrounding area include hunting, fishing, and hiking. Nearby parks and wildlife areas include the Crawford Creek Wildlife Management Area, the Willow Creek State Park, and the Moorehead Pioneer Park.