SOUTH DAKOTA FLOW REPORT

Last Updated: April 19, 2026

Streamflow levels across South Dakota are currently 40.0% of normal, with the James River Nr Yankton Sd reporting the highest discharge in the state with 1190cfs and gauge stage of 3.51 ft. Meanwhile, the James R Near Mitchell Sd is seeing a spike in streamflows today after experiencing a 2.65% increase since yesterday, and currently running at 1160cfs.

Maximum gauge stage in the state was last observed at the James River At Nd-Sd State Line, currently reporting a stage of 90.86ft. The James River At Nd-Sd State Line in the Upper James watershed is surging for this time of year at 1130cfs, about 30.94% of normal.