Vermillion River near Wakonda

Last updated: Jul 18, 2025, 4:16 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 South Dakota DANR

Scale to Flood Categories

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Traces and Thresholds Click to turn on/off display

CATEGORY STAGE

Major Flooding 17 ft

Moderate Flooding 15.5 ft

Minor Flooding 14 ft

Action 13 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	17 ft
	Moderate Flooding	15.5 ft
	Minor Flooding	14 ft
	Action	13 ft

Flood Impacts 🅘

19.5 - Water reaches the bottom of the bridge on 461st Avenue near Lodi, and the highest levees will be overtopped.
19 - The intersection of Highway 19 and 46 begins to flood. The bridge on 302nd Street 1 mile east of Colfax Corner is overtopped.
18.5 - The bridge on highway 19 near Lodi, and the bridge on 461st Avenue northeast of Colfax Corner, are both overtopped.
18 - Water reaches the bottom of the bridge on 303rd Street between Lodi and Colfax Corner.
17.5 - The bridge on 304th Street west of Dalesburg is overtopped. Water reaches the bottom of the bridge on Highway 19 at the gauge location.

Gauge Info

Coordinates	42.9903, -96.9633
RFC	MBRFC
State	SD
WFO	FSD
County	Clay
Data Provider(s)
South Dakota DANR	Observations courtesy of South Dakota DANR

Gauge Location

Recent Crests

1.	18.93 ft	on 06-22-2024
2.	10.46 ft	on 04-05-2023
3.	15.10 ft	on 03-09-2020
4.	18.11 ft	on 03-15-2019
5.	17.50 ft	on 06-25-2018

Historic Crests

1.	18.93 ft	on 06-22-2024
2.	18.11 ft	on 03-15-2019
3.	17.62 ft	on 06-23-1984
4.	17.60 ft	on 03-17-2010
5.	17.50 ft	on 06-25-2018

Vertical Datum Table

type	NGVD29
major Flooding	1167.90 ft
moderate Flooding	1166.40 ft
minor Flooding	1164.90 ft
action	1163.90 ft
Latest Value	1153.59 ft
Gauge Zero	1150.90 ft

Gauge Photos

Photo 1 of 2

Downstream View (6/13/2023)

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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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.	18.93 ft	on 06-22-2024
2.	10.46 ft	on 04-05-2023
3.	15.10 ft	on 03-09-2020
4.	18.11 ft	on 03-15-2019
5.	17.50 ft	on 06-25-2018
6.	12.64 ft	on 05-01-2017
7.	16.72 ft	on 05-17-2016
8.	11.00 ft	on 06-10-2015
9.	16.96 ft	on 06-17-2014
10.	15.69 ft	on 05-30-2013
11.	12.76 ft	on 05-11-2012
12.	17.38 ft	on 03-20-2011
13.	17.60 ft	on 03-17-2010
14.	12.30 ft	on 07-11-2009
15.	17.05 ft	on 06-10-2008
16.	16.58 ft	on 03-18-2007
17.	12.15 ft	on 04-10-2006
18.	15.00 ft	on 06-04-2005
19.	-0.99 ft	on 06-01-2004
20.	16.12 ft	on 07-06-2003
21.	5.36 ft	on 03-31-2002
22.	17.11 ft	on 04-26-2001
23.	5.35 ft	on 05-01-2000
24.	15.53 ft	on 04-14-1999
25.	13.24 ft	on 04-25-1998
26.	16.93 ft	on 03-31-1997
27.	10.56 ft	on 02-15-1996
28.	17.34 ft	on 04-24-1995
29.	16.51 ft	on 03-09-1994
30.	17.33 ft	on 07-07-1993
31.	10.65 ft	on 09-04-1992
32.	7.10 ft	on 06-24-1991
33.	11.25 ft	on 06-16-1990
34.	7.60 ft	on 03-13-1989
35.	16.40 ft	on 03-29-1987
36.	16.50 ft	on 04-22-1986
37.	15.60 ft	on 04-25-1985
38.	17.62 ft	on 06-23-1984
39.	17.03 ft	on 06-22-1983
40.	11.64 ft	on 05-31-1982
41.	9.77 ft	on 06-14-1981
42.	7.85 ft	on 02-22-1980
43.	16.57 ft	on 03-25-1979
44.	16.44 ft	on 03-22-1978
45.	8.80 ft	on 03-14-1977
46.	8.87 ft	on 02-18-1976
47.	5.78 ft	on 03-25-1975
48.	8.63 ft	on 06-23-1974
49.	15.27 ft	on 03-06-1973
50.	16.15 ft	on 05-04-1972
51.	16.00 ft	on 02-19-1971
52.	14.23 ft	on 03-08-1970
53.	17.17 ft	on 04-06-1969
54.	6.84 ft	on 07-17-1968
55.	12.37 ft	on 06-22-1967
56.	13.01 ft	on 02-12-1966
57.	12.84 ft	on 06-15-1965
58.	7.47 ft	on 03-25-1964
59.	5.97 ft	on 03-27-1963
60.	16.75 ft	on 03-28-1962
61.	14.08 ft	on 06-17-1961
62.	16.94 ft	on 04-01-1960
63.	13.95 ft	on 06-02-1959
64.	6.84 ft	on 04-08-1958
65.	16.48 ft	on 06-21-1957
66.	5.86 ft	on 06-08-1956
67.	12.42 ft	on 03-12-1955
68.	16.56 ft	on 06-19-1954
69.	15.23 ft	on 06-11-1953
70.	16.37 ft	on 03-31-1952
71.	16.25 ft	on 03-30-1951
72.	13.99 ft	on 03-25-1950
73.	15.90 ft	on 03-05-1949
74.	15.82 ft	on 03-03-1948
75.	16.63 ft	on 06-13-1947
76.	10.88 ft	on 02-24-1946
77.	-0.99 ft	on 06-15-1944	¹

1.	18.93 ft	on 06-22-2024
2.	18.11 ft	on 03-15-2019
3.	17.62 ft	on 06-23-1984
4.	17.60 ft	on 03-17-2010
5.	17.50 ft	on 06-25-2018
6.	17.38 ft	on 03-20-2011
7.	17.34 ft	on 04-24-1995
8.	17.33 ft	on 07-07-1993
9.	17.17 ft	on 04-06-1969
10.	17.11 ft	on 04-26-2001
11.	17.05 ft	on 06-10-2008
12.	17.03 ft	on 06-22-1983
13.	16.96 ft	on 06-17-2014
14.	16.94 ft	on 04-01-1960
15.	16.93 ft	on 03-31-1997
16.	16.75 ft	on 03-28-1962
17.	16.72 ft	on 05-17-2016
18.	16.63 ft	on 06-13-1947
19.	16.58 ft	on 03-18-2007
20.	16.57 ft	on 03-25-1979
21.	16.56 ft	on 06-19-1954
22.	16.51 ft	on 03-09-1994
23.	16.50 ft	on 04-22-1986
24.	16.48 ft	on 06-21-1957
25.	16.44 ft	on 03-22-1978
26.	16.40 ft	on 03-29-1987
27.	16.37 ft	on 03-31-1952
28.	16.25 ft	on 03-30-1951
29.	16.15 ft	on 05-04-1972
30.	16.12 ft	on 07-06-2003
31.	16.00 ft	on 02-19-1971
32.	15.90 ft	on 03-05-1949
33.	15.82 ft	on 03-03-1948
34.	15.69 ft	on 05-30-2013
35.	15.60 ft	on 04-25-1985
36.	15.53 ft	on 04-14-1999
37.	15.27 ft	on 03-06-1973
38.	15.23 ft	on 06-11-1953
39.	15.10 ft	on 03-09-2020
40.	15.00 ft	on 06-04-2005
41.	14.23 ft	on 03-08-1970
42.	14.08 ft	on 06-17-1961
43.	13.99 ft	on 03-25-1950
44.	13.95 ft	on 06-02-1959
45.	13.24 ft	on 04-25-1998
46.	13.01 ft	on 02-12-1966
47.	12.84 ft	on 06-15-1965
48.	12.76 ft	on 05-11-2012
49.	12.64 ft	on 05-01-2017
50.	12.42 ft	on 03-12-1955
51.	12.37 ft	on 06-22-1967
52.	12.30 ft	on 07-11-2009
53.	12.15 ft	on 04-10-2006
54.	11.64 ft	on 05-31-1982
55.	11.25 ft	on 06-16-1990
56.	11.00 ft	on 06-10-2015
57.	10.88 ft	on 02-24-1946
58.	10.65 ft	on 09-04-1992
59.	10.56 ft	on 02-15-1996
60.	10.46 ft	on 04-05-2023
61.	9.77 ft	on 06-14-1981
62.	8.87 ft	on 02-18-1976
63.	8.80 ft	on 03-14-1977
64.	8.63 ft	on 06-23-1974
65.	7.85 ft	on 02-22-1980
66.	7.60 ft	on 03-13-1989
67.	7.47 ft	on 03-25-1964
68.	7.10 ft	on 06-24-1991
69.	6.84 ft	on 04-08-1958
70.	6.84 ft	on 07-17-1968
71.	5.97 ft	on 03-27-1963
72.	5.86 ft	on 06-08-1956
73.	5.78 ft	on 03-25-1975
74.	5.36 ft	on 03-31-2002
75.	5.35 ft	on 05-01-2000
76.	-0.99 ft	on 06-01-2004
77.	-0.99 ft	on 06-15-1944	¹