Total streamflow across the Bitterroot River was last observed at 890 cfs, and is expected to yield approximately 1,765 acre-ft of water today; about 66% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 1,348 cfs, with recent peaks last observed on 2018-05-11 when daily discharge volume was observed at 42,770 cfs.

Maximum discharge along the river is currently at the Bitterroot River Near Missoula Mt reporting a streamflow rate of 699 cfs. However, the streamgauge with the highest stage along the river is the Bitterroot River At Bell Crossing Nr Victor Mt with a gauge stage of 4.47 ft. This river is monitored from 3 different streamgauging stations along the Bitterroot River, the highest being situated at an altitude of 3,955 ft, the Bitterroot River Near Darby Mt.

The Bitterroot River is a 84-mile-long river in western Montana, USA. It was named by the Salish tribe and was used extensively by the Native Americans for fishing and hunting. The river originates from the Bitterroot Mountains and merges with the Clark Fork River in Missoula. The river is primarily fed by snowmelt, and its hydrology is influenced by irrigation and dam operation. There are several reservoirs and dams along the river, including Painted Rocks Reservoir and Lake Como Dam. The Bitterroot River is popular for recreational activities such as fishing, kayaking, and rafting. Agriculture is a significant user of the river, with irrigation canals diverting water for crop production. The Bitterroot River is a vital resource for the state of Montana, providing irrigation water, hydroelectric power, and recreation opportunities.