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

The Little Powder River is a tributary of the Powder River and stretches for about 218 miles. The river gets its name from the white, powdery sand found in its bed. Historically, the river was used by Native American tribes like the Sioux and Cheyenne. The river is primarily used for irrigation purposes, and there are several reservoirs and dams along the river, including the Keyhole Reservoir and the Pine Haven Dam. These dams provide water for agricultural purposes and also support recreational activities like boating and fishing. The river flows through the states of Wyoming and Montana and is an important water source for the region.