Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Shields River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Shields River, the highest being situated at an altitude of ft, the .

The Shields River is a tributary of the Yellowstone River, located in Montana. It is approximately 60 miles long and has a rich history of agriculture and ranching, dating back to the 1800s. The river is fed by snowmelt from the Crazy Mountains and provides irrigation water for agricultural purposes.

There are several reservoirs and dams along the Shields River, including the Upper and Lower Shields River Reservoirs and the Martinsdale Reservoir. These reservoirs provide additional water storage for irrigation and recreational uses such as fishing and boating.

The hydrology of the Shields River fluctuates seasonally, with peak flows in the spring and low flows in the late summer and fall. In recent years, drought conditions have impacted the river's flow and water availability.

Overall, the Shields River is an important resource for agriculture and recreation in Montana, and efforts are being made to conserve and manage its water resources for future generations.