Big Sioux River (Sd)

South Dakota

25 Gauges

Nr Florence,sd

River stage: 3.79 ft
Today
06:00 AM

Near Watertown,sd

Streamflow: 54.9 ft³/s
03/16/2026
04:00 PM
River stage: 4.63 ft
Today
06:00 AM

At Broadway At Watertown, Sd

No current values

At Lake Kampeska Nr Watertown, Sd

No current values

At Watertown,sd

River stage: 4.75 ft
Today
06:15 AM

Below Watertown, Sd

No current values

Near Castlewood,sd

River stage: 6.16 ft
Today
05:45 AM

At Lake Poinsett Inlet/outlet

River stage: 1,651.09 ft
Today
06:00 AM

Near Estelline

Streamflow: 334 ft³/s
Today
06:00 AM
River stage: 1,640.82 ft
Today
06:00 AM

Near Bruce, Sd

Streamflow: 286 ft³/s
2 days ago
02:45 PM
River stage: 4.68 ft
Today
05:45 AM

Near Brookings,sd

River stage: 3.6 ft
Today
05:45 AM

Above Flandreau

Streamflow: 249 ft³/s
Today
06:00 AM
River stage: 1,531.74 ft
Today
06:00 AM

Above Dell Rapids

Streamflow: 359 ft³/s
Today
06:00 AM
River stage: 1,474.38 ft
Today
06:00 AM

Near Egan

Streamflow: 554 ft³/s
Today
06:00 AM
River stage: 1,509.93 ft
Today
06:00 AM

At Trent

Streamflow: 347 ft³/s
Today
06:15 AM
River stage: 1,486.83 ft
Today
06:15 AM

Near Dell Rapids,sd

River stage: 4.22 ft
Today
06:30 AM

At Sioux Falls Sd

Streamflow: 8,040 ft³/s
03/17/2026
04:00 AM
River stage: 0.91 ft
Today
06:00 AM

At Sioux Falls I-90

Streamflow: 633 ft³/s
Today
06:00 AM
River stage: 8.06 ft
Today
06:00 AM

Below Diversion At Sioux Falls, Sd

River stage: 2.38 ft
Today
06:30 AM

At North Cliff Ave At Sioux Falls,sd

Streamflow: 218 ft³/s
03/17/2026
10:30 AM
River stage: 5.96 ft
Today
06:30 AM

Near Brandon

Streamflow: 524 ft³/s
Today
06:00 AM
River stage: 1,296.95 ft
Today
06:00 AM

Above Canton

Streamflow: 410 ft³/s
Today
06:00 AM
River stage: 1,225.7 ft
Today
06:00 AM

At Fairview

River stage: 1,193.22 ft
Today
06:00 AM

Near Richland

Streamflow: 838 ft³/s
Today
06:00 AM
River stage: 1,106.73 ft
Today
06:00 AM

Nr Jefferson, Sd

Streamflow: 723 ft³/s
03/17/2026
10:30 AM
River stage: 9.32 ft
Today
05:30 AM

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