Big Sioux River (Sd)

South Dakota

25 Gauges

Nr Florence,sd

River stage: 2.26 ft
Today
01:00 PM

Near Watertown,sd

River stage: 4.07 ft
Today
01:00 PM

At Broadway At Watertown, Sd

No current values

At Lake Kampeska Nr Watertown, Sd

No current values

At Watertown,sd

River stage: 4.76 ft
Today
01:15 PM

Below Watertown, Sd

River stage: 5.58 ft
01/27/2026
01:45 PM

Near Castlewood,sd

River stage: 6.01 ft
Today
01:45 PM

At Lake Poinsett Inlet/outlet

River stage: 1,651.23 ft
Today
01:00 PM

Near Estelline

Streamflow: 116 ft³/s
Today
07:00 AM
River stage: 1,638.36 ft
Today
01:00 PM

Near Bruce, Sd

River stage: 4.56 ft
Today
01:45 PM

Near Brookings,sd

Streamflow: 379 ft³/s
01/31/2026
05:45 AM
River stage: 3.65 ft
Today
01:45 PM

Above Flandreau

Streamflow: 247 ft³/s
Today
01:00 PM
River stage: 1,531.73 ft
Today
01:00 PM

Above Dell Rapids

Streamflow: 260 ft³/s
Today
12:00 PM
River stage: 1,474.08 ft
Today
12:00 PM

Near Egan

Streamflow: 471 ft³/s
Today
01:00 PM
River stage: 1,509.79 ft
Today
01:00 PM

At Trent

Streamflow: 513 ft³/s
Today
12:15 PM
River stage: 1,487.31 ft
Today
12:15 PM

Near Dell Rapids,sd

River stage: 4.16 ft
Today
01:30 PM

At Sioux Falls Sd

No current values

At Sioux Falls I-90

Streamflow: 701 ft³/s
2 days ago
04:45 PM
River stage: 8.23 ft
2 days ago
04:45 PM

Below Diversion At Sioux Falls, Sd

No current values

At North Cliff Ave At Sioux Falls,sd

River stage: 5.13 ft
Today
01:30 PM

Near Brandon

Streamflow: 594 ft³/s
Today
05:30 AM
River stage: 1,297.23 ft
Today
05:30 AM

Above Canton

Streamflow: 501 ft³/s
Today
09:15 AM
River stage: 1,225.93 ft
Today
09:15 AM

At Fairview

River stage: 1,193.83 ft
Today
02:00 AM

Near Richland

Streamflow: 724 ft³/s
Today
02:30 AM
River stage: 1,106.43 ft
Today
02:30 AM

Nr Jefferson, Sd

River stage: 9.47 ft
Today
01:30 PM

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