Total streamflow across the Patoka River was last observed at 326 cfs, and is expected to yield approximately 646 acre-ft of water today; about 35% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 926 cfs, with recent peaks last observed on 2017-05-06 when daily discharge volume was observed at 21,990 cfs.

Maximum discharge along the river is currently at the Patoka River At Winslow reporting a streamflow rate of 156 cfs. This is also the highest stage along the Patoka River, with a gauge stage of 7.89 ft at this location. This river is monitored from 3 different streamgauging stations along the Patoka River, the highest being situated at an altitude of 458 ft, the Patoka River At Jasper.

The Patoka River flows for approximately 167 miles through southern Indiana, and is a tributary of the Wabash River. The river has a rich history dating back to the prehistoric era, and played a significant role in the region's early settlement and economic development. The Patoka River is fed by several tributaries, including the Little Patoka and Gillies Creek, and features several man-made reservoirs and dams, including the Patoka Lake Reservoir and the Jasper City Dam. These reservoirs provide recreational activities such as fishing, boating, and swimming, as well as agricultural and industrial water supply. The Patoka River is also home to various species of fish, including bass and catfish, making it a popular destination for anglers.