« Back to Colman Rivers

Big Sioux River at Sioux Falls I-90

Critical Stages
11' - Action
12' - Flood
15' - Moderate
17' - Major

Latest Observation

Updated: 6:09 PM LMT 12/31/00

Status: Obs Not Current

Stage: -999 ft

Flow: -999 kcfs

Forecast

Forecast not available for this location.

TimeStage (ft)Flow (kcfs)
11:00 AM 12/10 -9999 -999
4:00 AM 12/9 -9999 -999
8:00 AM 12/8 -9999 -999
12:00 AM 12/7 -9999 -999
11:00 PM 12/6 -9999 -999
1:00 AM 12/4 8.15 0.671
12:45 AM 12/4 8.16 0.675
12:30 AM 12/4 8.16 0.675
12:15 AM 12/4 8.15 0.671
12:00 AM 12/4 8.11 0.656
10:15 PM 12/3 8.07 0.638
10:00 PM 12/3 8.11 0.656
9:45 PM 12/3 8.13 0.663
9:30 PM 12/3 8.13 0.663
9:15 PM 12/3 8.12 0.659
3:15 AM 12/2 7.87 -999
3:00 AM 12/2 7.87 -999
2:45 AM 12/2 7.87 -999
2:30 AM 12/2 7.88 -999
2:15 AM 12/2 7.88 -999
2:00 AM 12/2 7.88 -999
9:00 PM 12/1 8.08 0.642
8:45 PM 12/1 8.09 0.647
8:30 PM 12/1 8.12 0.659
8:15 PM 12/1 8.11 0.656
8:00 PM 12/1 8.11 0.656
7:45 PM 12/1 8.11 0.656
7:30 PM 12/1 8.11 0.656
7:15 PM 12/1 8.11 0.656
7:00 PM 12/1 8.11 0.656
Hydrograph for Big Sioux River at Sioux Falls I-90
21' - The levees protecting Sioux Falls are overtopped resulting in significant to catastrophic flooding.
19.5' - Levees downstream on diversion channel will be overtopped if all flow of around 37000 cfs is being diverted, potentially resulting in flooding in and around the airport in Sioux Falls.
18.5' - 60th Street north of the Sioux Falls airport begins to flood.
17' - Flooding begins to affect roads, homes, and businesses in Renner.
15' - Some farm buildings between Renner and Sioux Falls are threatened by high water.
13' - Ditch Rd at the gauge location is flooded.
12' - Some agricultural land between 60th Street North and Interstate 90 begins to flood.
11' - Minor flooding of some ditches upstream of Sioux Falls begins.
DateStage (ft)
Sep 14, 2019 18.91
Mar 26, 2019 16.92
Jun 23, 1984 16.8
Apr 7, 1997 16.32
Apr 28, 2018 16.3
Jun 1, 1993 15.8
Sep 27, 2010 15.41
Mar 25, 2011 15.32
Apr 23, 1995 15.04
Jun 25, 2024 14.9
Apr 24, 2001 14.6
Mar 15, 1994 14.39
Sep 24, 1986 14.36
Mar 15, 2020 13.8
Apr 11, 2023 13.41
Mar 16, 1985 13.35
Mar 24, 1978 13.05
Sep 6, 1992 12.78
Apr 6, 1979 12.5
Mar 17, 2007 12.4

Data provided by the National Weather Service.