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

The Willow River is a 114-mile long river situated in western Wisconsin. The river was historically used for transportation, logging, and agriculture. It is also known for its hydroelectric power generation capability, and several dams and reservoirs have been constructed along its length to harness this energy. The main reservoirs on the river are the Little Falls Reservoir and the Willow River Flowage. The Little Falls Dam was built in 1911 and is located near the town of Willow River. The Willow River Flowage was created in 1971 and is used for recreation and flood control. The river is popular for boating, fishing, camping, and hiking. The surrounding land is primarily used for agriculture, with many farms located along the riverbanks.