Big Sioux River at Sioux Falls N. Cliff Avenue

Last updated: Jun 8, 2025, 11:43 AM UTC

No watches, warnings or advisories are in effect for this area.

Warning: no valid ratings curve available. Transformations to and from FEET/CFS/KCFS will not happen.

Observations courtesy of U.S. Geological Survey
Observations courtesy of U.S. Army Corps of Engineers

Scale to Flood Categories

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Traces and Thresholds Click to turn on/off display

Observed (OBS) 06/08/2025 5:30 AM CDT

CATEGORY STAGE

Major Flooding 31 ft

Moderate Flooding 18 ft

Minor Flooding 16 ft

Action 14 ft

Reliability of the Forecast:

NOTE: Forecasts are issued as needed during times of high water, but are not routinely available.

River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast.
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	CATEGORY	STAGE
	Major Flooding	31 ft
	Moderate Flooding	18 ft
	Minor Flooding	16 ft
	Action	14 ft

Flood Impacts 🅘

30 - The levees upstream of the gauge will begin to be overtopped.
28 - The levees dowstream of the gage will be overtopped.
22 - Portions of Rice St between Cleveland and Veterans Pkwy begin to flood.
18 - Significant amounts of rural land downstream of Sioux Falls, and the salvage yard in extreme eastern Sioux Falls, will begin to flood. If levees fail, significant flooding around the city street department shops will result.
17.5 - 60th Street North and Timberline Road begin to flood.

Gauge Info

Coordinates	43.5669, -96.7111
RFC	MBRFC
State	SD
WFO	FSD
County	Minnehaha
Data Provider(s)
USGS	06482020
COE	Website

Gauge Location

Recent Crests

1.	22.62 ft	on 06-23-2024
2.	14.70 ft	on 04-11-2023
3.	11.01 ft	on 08-07-2022
4.	11.27 ft	on 08-29-2021
5.	14.94 ft	on 03-15-2020

Historic Crests

1.	26.08 ft	on 09-14-2019
2.	25.40 ft	on 06-22-1984
3.	23.84 ft	on 07-07-1993
4.	23.11 ft	on 04-07-1997
5.	22.62 ft	on 06-23-2024

Vertical Datum Table

type	NAVD88
major Flooding	1326.09 ft
moderate Flooding	1313.09 ft
minor Flooding	1311.09 ft
action	1309.09 ft
Latest Value	1300.97 ft
Gauge Zero	1295.09 ft

Gauge Photos

Photo 1 of 2

Downstream View (9/20/2023)

Probability Information

Photo 1 of 3

Weekly Chance of Exceeding Levels
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Chance of Exceeding Levels During Entire Period
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Short Range Forecast Uncertainty
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Unique Local Info

USGS 7-Day Streamflow Historical Comparison USGS WaterWatch Webpage

Extremes outside period of record at current gage location: Flood of Apr 10, 1969 reached a stage of 27.45 ft and discharge of 40,700 cfs.

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office

Sioux Falls

26 Weather Lane

Sioux Falls, SD 57104-0198

(605) 330-4247

Ask Questions/Webmaster

Official Homepage

1.	22.62 ft	on 06-23-2024
2.	14.70 ft	on 04-11-2023
3.	11.01 ft	on 08-07-2022
4.	11.27 ft	on 08-29-2021
5.	14.94 ft	on 03-15-2020
6.	26.08 ft	on 09-14-2019
7.	22.06 ft	on 03-26-2019
8.	16.90 ft	on 04-28-2018
9.	11.80 ft	on 08-21-2017
10.	11.90 ft	on 09-15-2016
11.	15.20 ft	on 08-28-2015
12.	17.63 ft	on 06-17-2014
13.	13.68 ft	on 05-26-2013
14.	17.22 ft	on 05-09-2012
15.	21.53 ft	on 03-25-2011
16.	21.57 ft	on 09-27-2010
17.	12.10 ft	on 03-31-2009
18.	11.38 ft	on 06-13-2008
19.	15.75 ft	on 03-18-2007
20.	19.11 ft	on 04-08-2006
21.	9.48 ft	on 06-06-2005
22.	16.52 ft	on 05-30-2004
23.	9.37 ft	on 09-10-2003
24.	12.01 ft	on 08-21-2002
25.	20.99 ft	on 04-23-2001
26.	9.57 ft	on 05-19-2000
27.	13.79 ft	on 04-11-1999
28.	12.27 ft	on 04-09-1998
29.	23.11 ft	on 04-07-1997
30.	13.92 ft	on 06-02-1996
31.	18.98 ft	on 04-19-1995
32.	15.33 ft	on 06-27-1994
33.	23.84 ft	on 07-07-1993
34.	15.53 ft	on 07-01-1992
35.	10.08 ft	on 06-10-1991
36.	11.79 ft	on 06-28-1990
37.	11.05 ft	on 03-29-1989
38.	8.63 ft	on 03-28-1988
39.	14.97 ft	on 03-25-1987
40.	20.99 ft	on 09-24-1986
41.	18.67 ft	on 03-22-1985
42.	25.40 ft	on 06-22-1984
43.	19.65 ft	on 03-07-1983
44.	12.34 ft	on 07-18-1982
45.	8.13 ft	on 06-14-1981
46.	11.66 ft	on 06-30-1980
47.	16.95 ft	on 03-23-1979
48.	17.54 ft	on 03-24-1978
49.	12.78 ft	on 03-15-1977
50.	10.06 ft	on 03-25-1976
51.	9.05 ft	on 08-01-1975
52.	10.32 ft	on 10-09-1973
53.	16.38 ft	on 03-13-1973
54.	14.35 ft	on 06-04-1972

1.	26.08 ft	on 09-14-2019
2.	25.40 ft	on 06-22-1984
3.	23.84 ft	on 07-07-1993
4.	23.11 ft	on 04-07-1997
5.	22.62 ft	on 06-23-2024
6.	22.06 ft	on 03-26-2019
7.	21.57 ft	on 09-27-2010
8.	21.53 ft	on 03-25-2011
9.	20.99 ft	on 09-24-1986
10.	20.99 ft	on 04-23-2001
11.	19.65 ft	on 03-07-1983
12.	19.11 ft	on 04-08-2006
13.	18.98 ft	on 04-19-1995
14.	18.67 ft	on 03-22-1985
15.	17.63 ft	on 06-17-2014
16.	17.54 ft	on 03-24-1978
17.	17.22 ft	on 05-09-2012
18.	16.95 ft	on 03-23-1979
19.	16.90 ft	on 04-28-2018
20.	16.52 ft	on 05-30-2004
21.	16.38 ft	on 03-13-1973
22.	15.75 ft	on 03-18-2007
23.	15.53 ft	on 07-01-1992
24.	15.33 ft	on 06-27-1994
25.	15.20 ft	on 08-28-2015
26.	14.97 ft	on 03-25-1987
27.	14.94 ft	on 03-15-2020
28.	14.70 ft	on 04-11-2023
29.	14.35 ft	on 06-04-1972
30.	13.92 ft	on 06-02-1996
31.	13.79 ft	on 04-11-1999
32.	13.68 ft	on 05-26-2013
33.	12.78 ft	on 03-15-1977
34.	12.34 ft	on 07-18-1982
35.	12.27 ft	on 04-09-1998
36.	12.10 ft	on 03-31-2009
37.	12.01 ft	on 08-21-2002
38.	11.90 ft	on 09-15-2016
39.	11.80 ft	on 08-21-2017
40.	11.79 ft	on 06-28-1990
41.	11.66 ft	on 06-30-1980
42.	11.38 ft	on 06-13-2008
43.	11.27 ft	on 08-29-2021
44.	11.05 ft	on 03-29-1989
45.	11.01 ft	on 08-07-2022
46.	10.32 ft	on 10-09-1973
47.	10.08 ft	on 06-10-1991
48.	10.06 ft	on 03-25-1976
49.	9.57 ft	on 05-19-2000
50.	9.48 ft	on 06-06-2005
51.	9.37 ft	on 09-10-2003
52.	9.05 ft	on 08-01-1975
53.	8.63 ft	on 03-28-1988
54.	8.13 ft	on 06-14-1981