Armstrong is a small town located in the northern part of Missouri, with a population of approximately 300 residents. The area has a humid continental climate, characterized by hot summers, cold winters, and moderate precipitation throughout the year. The hydrology constituents of Armstrong are shaped by the nearby Chariton River, which flows through the town and provides opportunities for fishing and boating. Outdoor recreation opportunities in Armstrong include hiking, camping, and hunting in the nearby Rothwell Park, as well as golfing at the local 18-hole golf course. The town's central location also makes it convenient for day trips to other nearby attractions, such as the Mark Twain Boyhood Home and Museum in Hannibal.