Big Sioux River near Dell Rapids

Last updated: Apr 3, 2025, 12:01 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 Corp of Engineers

Scale to Flood Categories

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Traces and Thresholds Click to turn on/off display

Observed (OBS) 04/02/2025 6:30 PM CDT

Record: 16.7 ft

CATEGORY STAGE

Major Flooding 15 ft

Moderate Flooding 14 ft

Minor Flooding 12 ft

Action 11 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.
Gauge reading may be affected by ice.
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	CATEGORY	STAGE
	Major Flooding	15 ft
	Moderate Flooding	14 ft
	Minor Flooding	12 ft
	Action	11 ft

Flood Impacts 🅘

21 - The bridge at the gauge on 248th St is overtopped and several outbuildings near the gauge are flooded.
19 - The bridge on 250th Street just west of Baltic is overtopped.
17.5 - Water reaches the bottom of the bridge on 250th Street west of Baltic.
16.5 - Water reaches the bottom of the bridge on 254th St.
16 - 248th Street east of the gauge is flooded, along with several other county roads. Flooding will affect the city of Renner with water going over the main road in town.

Gauge Info

Coordinates	43.7906, -96.7453
RFC	MBRFC
State	SD
WFO	FSD
County	Minnehaha
Data Provider(s)
USGS	06481000
USACE	Observations courtesy of U.S. Army Corp of Engineers

Gauge Location

Recent Crests

1.	13.84 ft	on 06-24-2024
2.	12.90 ft	on 04-10-2023
3.	9.56 ft	on 05-13-2022
4.	7.32 ft	on 04-13-2021
5.	13.38 ft	on 03-14-2020

Historic Crests

1.	16.70 ft	on 09-13-2019
2.	16.47 ft	on 04-09-1969
3.	16.29 ft	on 09-25-2010
4.	16.02 ft	on 03-15-2007
5.	15.69 ft	on 03-24-2019

Vertical Datum Table

type	NAVD88
major Flooding	1471.94 ft
moderate Flooding	1470.94 ft
minor Flooding	1468.94 ft
action	1467.94 ft
Latest Value	1460.70 ft
Gauge Zero	1456.94 ft

Gauge Photos

Photo 1 of 2

Downstream View (8/23/2023)

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

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.	13.84 ft	on 06-24-2024
2.	12.90 ft	on 04-10-2023
3.	9.56 ft	on 05-13-2022
4.	7.32 ft	on 04-13-2021
5.	13.38 ft	on 03-14-2020
6.	16.70 ft	on 09-13-2019
7.	15.69 ft	on 03-24-2019
8.	14.20 ft	on 04-27-2018
9.	9.37 ft	on 05-24-2017
10.	7.43 ft	on 03-11-2016
11.	12.41 ft	on 06-07-2015
12.	11.60 ft	on 06-16-2014
13.	10.57 ft	on 07-02-2013
14.	14.07 ft	on 05-07-2012
15.	15.63 ft	on 03-24-2011
16.	16.29 ft	on 09-25-2010
17.	11.27 ft	on 03-31-2009
18.	10.10 ft	on 06-13-2008
19.	16.02 ft	on 03-15-2007
20.	11.79 ft	on 04-07-2006
21.	8.11 ft	on 09-25-2005
22.	8.52 ft	on 05-30-2004
23.	7.19 ft	on 03-20-2003
24.	8.90 ft	on 04-04-2002
25.	14.32 ft	on 04-24-2001
26.	7.01 ft	on 05-18-2000
27.	9.97 ft	on 04-11-1999
28.	9.29 ft	on 04-08-1998
29.	15.47 ft	on 04-07-1997
30.	11.62 ft	on 06-01-1996
31.	14.12 ft	on 04-22-1995
32.	12.28 ft	on 03-16-1994
33.	15.56 ft	on 07-04-1993
34.	12.31 ft	on 06-24-1992
35.	7.42 ft	on 06-10-1991
36.	9.58 ft	on 06-18-1990
37.	9.11 ft	on 03-27-1989
38.	6.74 ft	on 03-12-1988
39.	10.57 ft	on 03-26-1987
40.	14.71 ft	on 09-22-1986
41.	13.57 ft	on 03-21-1985
42.	15.20 ft	on 06-23-1984
43.	13.11 ft	on 03-03-1983
44.	10.27 ft	on 07-17-1982
45.	3.66 ft	on 04-06-1981
46.	9.30 ft	on 06-29-1980
47.	12.07 ft	on 04-16-1979
48.	12.97 ft	on 03-23-1978
49.	11.58 ft	on 03-14-1977
50.	7.77 ft	on 03-24-1976
51.	5.64 ft	on 04-23-1975
52.	7.58 ft	on 03-09-1974
53.	12.06 ft	on 03-09-1973
54.	11.57 ft	on 06-03-1972
55.	9.97 ft	on 03-18-1971
56.	10.68 ft	on 03-09-1970
57.	16.47 ft	on 04-09-1969
58.	4.02 ft	on 04-25-1968
59.	8.92 ft	on 06-20-1967
60.	12.56 ft	on 03-16-1966
61.	14.14 ft	on 04-08-1965
62.	6.63 ft	on 04-06-1964
63.	8.20 ft	on 08-04-1963
64.	15.14 ft	on 03-30-1962
65.	9.68 ft	on 03-03-1961
66.	14.83 ft	on 03-31-1960
67.	5.08 ft	on 03-10-1959
68.	4.78 ft	on 06-04-1958
69.	14.93 ft	on 06-18-1957
70.	8.65 ft	on 07-14-1956
71.	8.72 ft	on 03-16-1955
72.	11.22 ft	on 03-19-1954
73.	8.34 ft	on 03-15-1953
74.	14.85 ft	on 04-05-1952
75.	14.36 ft	on 04-04-1951
76.	11.83 ft	on 04-01-1950
77.	10.08 ft	on 03-28-1949

1.	16.70 ft	on 09-13-2019
2.	16.47 ft	on 04-09-1969
3.	16.29 ft	on 09-25-2010
4.	16.02 ft	on 03-15-2007
5.	15.69 ft	on 03-24-2019
6.	15.63 ft	on 03-24-2011
7.	15.56 ft	on 07-04-1993
8.	15.47 ft	on 04-07-1997
9.	15.20 ft	on 06-23-1984
10.	15.14 ft	on 03-30-1962
11.	14.93 ft	on 06-18-1957
12.	14.85 ft	on 04-05-1952
13.	14.83 ft	on 03-31-1960
14.	14.71 ft	on 09-22-1986
15.	14.36 ft	on 04-04-1951
16.	14.32 ft	on 04-24-2001
17.	14.20 ft	on 04-27-2018
18.	14.14 ft	on 04-08-1965
19.	14.12 ft	on 04-22-1995
20.	14.07 ft	on 05-07-2012
21.	13.84 ft	on 06-24-2024
22.	13.57 ft	on 03-21-1985
23.	13.38 ft	on 03-14-2020
24.	13.11 ft	on 03-03-1983
25.	12.97 ft	on 03-23-1978
26.	12.90 ft	on 04-10-2023
27.	12.56 ft	on 03-16-1966
28.	12.41 ft	on 06-07-2015
29.	12.31 ft	on 06-24-1992
30.	12.28 ft	on 03-16-1994
31.	12.07 ft	on 04-16-1979
32.	12.06 ft	on 03-09-1973
33.	11.83 ft	on 04-01-1950
34.	11.79 ft	on 04-07-2006
35.	11.62 ft	on 06-01-1996
36.	11.60 ft	on 06-16-2014
37.	11.58 ft	on 03-14-1977
38.	11.57 ft	on 06-03-1972
39.	11.27 ft	on 03-31-2009
40.	11.22 ft	on 03-19-1954
41.	10.68 ft	on 03-09-1970
42.	10.57 ft	on 07-02-2013
43.	10.57 ft	on 03-26-1987
44.	10.27 ft	on 07-17-1982
45.	10.10 ft	on 06-13-2008
46.	10.08 ft	on 03-28-1949
47.	9.97 ft	on 03-18-1971
48.	9.97 ft	on 04-11-1999
49.	9.68 ft	on 03-03-1961
50.	9.58 ft	on 06-18-1990
51.	9.56 ft	on 05-13-2022
52.	9.37 ft	on 05-24-2017
53.	9.30 ft	on 06-29-1980
54.	9.29 ft	on 04-08-1998
55.	9.11 ft	on 03-27-1989
56.	8.92 ft	on 06-20-1967
57.	8.90 ft	on 04-04-2002
58.	8.72 ft	on 03-16-1955
59.	8.65 ft	on 07-14-1956
60.	8.52 ft	on 05-30-2004
61.	8.34 ft	on 03-15-1953
62.	8.20 ft	on 08-04-1963
63.	8.11 ft	on 09-25-2005
64.	7.77 ft	on 03-24-1976
65.	7.58 ft	on 03-09-1974
66.	7.43 ft	on 03-11-2016
67.	7.42 ft	on 06-10-1991
68.	7.32 ft	on 04-13-2021
69.	7.19 ft	on 03-20-2003
70.	7.01 ft	on 05-18-2000
71.	6.74 ft	on 03-12-1988
72.	6.63 ft	on 04-06-1964
73.	5.64 ft	on 04-23-1975
74.	5.08 ft	on 03-10-1959
75.	4.78 ft	on 06-04-1958
76.	4.02 ft	on 04-25-1968
77.	3.66 ft	on 04-06-1981