Big Sioux River (Sd)

South Dakota

25 Gauges

Nr Florence,sd

River stage: 3.85 ft
Today
03:00 AM

Near Watertown,sd

River stage: 4.89 ft
Today
03:00 AM

At Broadway At Watertown, Sd

No current values

At Lake Kampeska Nr Watertown, Sd

No current values

At Watertown,sd

River stage: 4.41 ft
Today
03:15 AM

Below Watertown, Sd

No current values

Near Castlewood,sd

River stage: 6.46 ft
Today
03:45 AM

At Lake Poinsett Inlet/outlet

River stage: 1,651.11 ft
Today
03:00 AM

Near Estelline

Streamflow: 355 ft³/s
Today
03:00 AM
River stage: 1,640.9 ft
Today
03:00 AM

Near Bruce, Sd

River stage: 5.01 ft
Today
03:45 AM

Near Brookings,sd

River stage: 4.04 ft
Today
03:45 AM

Above Flandreau

Streamflow: 236 ft³/s
Today
03:00 AM
River stage: 1,531.67 ft
Today
03:00 AM

Above Dell Rapids

Streamflow: 444 ft³/s
Today
03:00 AM
River stage: 1,474.6 ft
Today
03:00 AM

Near Egan

Streamflow: 591 ft³/s
Today
03:00 AM
River stage: 1,510.12 ft
Today
03:00 AM

At Trent

Streamflow: 658 ft³/s
Today
03:15 AM
River stage: 1,487.71 ft
Today
03:15 AM

Near Dell Rapids,sd

River stage: 5.39 ft
Today
03:30 AM

At Sioux Falls Sd

Streamflow: 40.1 ft³/s
2 days ago
09:00 PM
River stage: 1.53 ft
Today
03:00 AM

At Sioux Falls I-90

Streamflow: 656 ft³/s
Today
02:30 AM
River stage: 7.97 ft
Today
03:00 AM

Below Diversion At Sioux Falls, Sd

No current values

At North Cliff Ave At Sioux Falls,sd

River stage: 6.08 ft
Today
03:30 AM

Near Brandon

Streamflow: 510 ft³/s
Today
03:00 AM
River stage: 1,296.84 ft
Today
03:00 AM

Above Canton

Streamflow: 299 ft³/s
Today
03:00 AM
River stage: 1,225.34 ft
Today
03:00 AM

At Fairview

River stage: 1,192.68 ft
Today
03:00 AM

Near Richland

Streamflow: 713 ft³/s
Today
03:00 AM
River stage: 1,106.4 ft
Today
03:00 AM

Nr Jefferson, Sd

Streamflow: 633 ft³/s
02/15/2026
02:30 PM
River stage: 9.2 ft
Today
03:30 AM

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