The Middle Musselshell Watershed, located in central Montana, covers approximately 8,050 square miles of land area. The hydrology of the watershed is primarily composed of the Musselshell River, which flows through the middle of the region, and its tributaries. The area experiences a semi-arid climate with hot summers and cold winters, and snowpack typically accumulates in the higher elevations during the winter months. The surface water in the watershed is used for agricultural and domestic purposes, as well as recreation. Reservoirs within the region provide water storage for irrigation and other uses. Interesting climatic facts and trends include increasing average temperatures and decreasing snowpack levels in recent years. Additionally, the region experiences occasional severe weather events such as thunderstorms and hailstorms during the summer months.