South Dakota Flow Report

RIVER FLOWS WEATHER HYDROLOGY
May 18, 2024



Streamflow levels across South Dakota are currently 53.0% of normal, with the Cheyenne R Near Plainview Sd reporting the highest discharge in the state with 1590cfs and gauge stage of 9.78 ft. Meanwhile, the White R Near Interior Sd is seeing a spike in streamflows today after experiencing a 134.92% increase since yesterday, and currently running at 296cfs.

Maximum gauge stage in the state was last observed at the James River At Nd-Sd State Line, currently reporting a stage of 89.36ft. The Belle Fourche R At Wy-Sd State Line in the Lower Belle Fourche watershed is surging for this time of year at 410cfs, about 111.88% of normal.


Surface Flow Characteristics


South Dakota has a humid continental climate with four distinct seasons. The Missouri River, which forms the eastern border of the state, is the largest and most significant surface flow. It is subject to extreme flooding during spring and summer due to snowmelt and heavy rainfall. Other major rivers include the Cheyenne, James, and Big Sioux. The state has several reservoirs and dams, including the Oahe, Fort Randall, and Big Bend dams, which provide flood control, irrigation, and hydroelectric power. South Dakota's hydrology is influenced by its topography, soil type, and vegetation cover, which affect the amount and rate of water infiltration and runoff. The state's snowpack and precipitation patterns are important factors in determining water availability and storage.


Streamgauge Profile


Statewide Warnings & Alerts


Popular Whitewater Destinations

River Run Status Streamflow (CFS) Air Temp (F)
Flow Reports by Region

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