Big Sioux River (Sd)

South Dakota

25 Gauges

Nr Florence,sd

River stage: 3.38 ft
Today
04:00 AM

Near Watertown,sd

Streamflow: 6.5 ft³/s
02/10/2026
02:00 AM
River stage: 4.19 ft
Today
04:00 AM

At Broadway At Watertown, Sd

No current values

At Lake Kampeska Nr Watertown, Sd

No current values

At Watertown,sd

River stage: 4.2 ft
Today
04:15 AM

Below Watertown, Sd

No current values

Near Castlewood,sd

River stage: 6.51 ft
Today
03:45 AM

At Lake Poinsett Inlet/outlet

River stage: 1,651.09 ft
Today
04:00 AM

Near Estelline

Streamflow: 244 ft³/s
Today
04:00 AM
River stage: 1,640.41 ft
Today
04:00 AM

Near Bruce, Sd

River stage: 5.2 ft
Today
03:45 AM

Near Brookings,sd

River stage: 4.23 ft
Today
03:45 AM

Above Flandreau

Streamflow: 323 ft³/s
Today
04:00 AM
River stage: 1,532.11 ft
Today
04:00 AM

Above Dell Rapids

Streamflow: 363 ft³/s
Today
04:00 AM
River stage: 1,474.39 ft
Today
04:00 AM

Near Egan

Streamflow: 539 ft³/s
Today
04:00 AM
River stage: 1,509.96 ft
Today
04:00 AM

At Trent

Streamflow: 606 ft³/s
Today
04:15 AM
River stage: 1,487.56 ft
Today
04:15 AM

Near Dell Rapids,sd

River stage: 4.37 ft
Today
04:30 AM

At Sioux Falls Sd

No current values

At Sioux Falls I-90

River stage: 7.9 ft
02/11/2026
08:00 PM

Below Diversion At Sioux Falls, Sd

No current values

At North Cliff Ave At Sioux Falls,sd

River stage: 5.45 ft
Today
04:30 AM

Near Brandon

Streamflow: 421 ft³/s
Today
04:00 AM
River stage: 1,296.37 ft
Today
04:00 AM

Above Canton

Streamflow: 606 ft³/s
Today
04:00 AM
River stage: 1,226.23 ft
Today
04:00 AM

At Fairview

River stage: 1,193.83 ft
Yesterday
11:15 PM

Near Richland

Streamflow: 780 ft³/s
Today
04:00 AM
River stage: 1,106.58 ft
Today
04:00 AM

Nr Jefferson, Sd

River stage: 9.46 ft
Today
03:30 AM

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