Mississippi River at St. Louis

Last updated: Apr 14, 2025, 12:06 PM 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.

US Geological Survey
Observations courtesy of U.S. Geological Survey

Scale to Flood Categories

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Traces and Thresholds Click to turn on/off display

Observed (OBS) 04/14/2025 6:30 AM CDT

Official Forecast (FCST) 04/13/2025 8:27 PM CDT

Record: 49.6 ft

CATEGORY STAGE

Major Flooding 40 ft

Moderate Flooding 35 ft

Minor Flooding 30 ft

Action 28 ft

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts are issued routinely year-round.

River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
For the latest navigation status update from the U.S. Army Corps of Engineers-St. Louis District, click here.
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	CATEGORY	STAGE
	Major Flooding	40 ft
	Moderate Flooding	35 ft
	Minor Flooding	30 ft
	Action	28 ft

Flood Impacts 🅘

54 - The Metro East St Louis, Chain of Rocks, and Fish Lake levees which protect 71,000 acres are overtopped. The Prairie du Pont levee protecting 9560 acres is overtopped. Also...at this height the St. Louis flood wall is overtopped.
49 - Hartford Public Water supply is threatened. The last of the St. Louis City floodgates is installed at the Missouri-Pacific railroad (panel gate).
48 - Hartford Public Water supply is threatened. The last of the St. Louis City floodgates is installed at the Missouri-Pacific railroad (panel gate). The Edgar Lake (3000 acres), Columbia (14,800 acres), Ft. Chartres and Ivy (15,900 acres), and Harrisonville (27,800 acres) levees are overtopped at this height.

Gauge Info

Coordinates	38.6289, -90.1797
RFC	NCRFC
State	MO
WFO	LSX
County	St. Louis City
Data Provider(s)
US Geological Survey	USGS--Water Resources of the United States
USGS	07010000

Gauge Location

Recent Crests

1.	31.46 ft	on 03-21-2021	(P)
2.	31.94 ft	on 06-01-2020
3.	30.34 ft	on 03-25-2020
4.	30.41 ft	on 03-22-2020
5.	30.59 ft	on 01-13-2020

Historic Crests

1.	49.58 ft	on 08-01-1993
2.	46.02 ft	on 06-09-2019
3.	43.23 ft	on 04-28-1973
4.	42.52 ft	on 01-01-2016
5.	42.00 ft	on 04-01-1785

Low Water Records

1.	-6.20 ft	on 01-16-1940
2.	-5.80 ft	on 01-26-1963
3.	-5.60 ft	on 01-01-1964
4.	-5.50 ft	on 12-12-1937
5.	-5.32 ft	on 12-26-1989

Vertical Datum Table

type	NAVD88
major Flooding	419.58 ft
moderate Flooding	414.58 ft
minor Flooding	409.58 ft
action	407.58 ft
Latest Value	393.17 ft
Gauge Zero	379.58 ft

Gauge Photos

Photo 1 of 29

Flood of 1993: St. Louis Arch and Riverfront

Probability Information

Photo 1 of 3

Weekly Chance of Exceeding Levels
- About this graph
Chance of Exceeding Levels During Entire Period
- About this graph
Short Range Forecast Uncertainty
About this graph | Product Description Document

Unique Local Info

How low could the river get?

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.

Resources

Hydrologic Resource Links

Additional Resource Links

WFO Information

Weather Forecast Office

St. Louis

12 Missouri Research Park Drive

St. Charles, MO 63304

(636) 441-8467

Ask Questions/Webmaster

Official Homepage

1.	31.46 ft	on 03-21-2021	(P)
2.	31.94 ft	on 06-01-2020
3.	30.34 ft	on 03-25-2020
4.	30.41 ft	on 03-22-2020
5.	30.59 ft	on 01-13-2020
6.	32.15 ft	on 10-13-2019
7.	46.02 ft	on 06-09-2019
8.	32.63 ft	on 10-16-2018
9.	31.76 ft	on 05-25-2017
10.	41.70 ft	on 05-06-2017
11.	42.52 ft	on 01-01-2016
12.	30.32 ft	on 12-20-2015
13.	38.45 ft	on 07-01-2015
14.	30.15 ft	on 06-10-2015
15.	30.99 ft	on 07-11-2014
16.	40.52 ft	on 06-04-2013
17.	35.45 ft	on 04-25-2013
18.	33.89 ft	on 07-02-2011
19.	33.16 ft	on 05-30-2011
20.	34.93 ft	on 05-01-2011
21.	32.29 ft	on 07-25-2010
22.	35.18 ft	on 06-28-2010
23.	34.83 ft	on 05-20-2010
24.	30.44 ft	on 04-29-2010
25.	30.24 ft	on 04-05-2010
26.	33.03 ft	on 03-29-2010
27.	30.12 ft	on 03-18-2010
28.	32.77 ft	on 11-02-2009
29.	33.24 ft	on 05-21-2009
30.	32.22 ft	on 05-04-2009
31.	27.24 ft	on 03-16-2009
32.	36.72 ft	on 09-18-2008
33.	30.73 ft	on 08-02-2008
34.	38.67 ft	on 07-01-2008
35.	30.74 ft	on 05-14-2008
36.	30.95 ft	on 04-28-2008
37.	31.53 ft	on 04-13-2008
38.	30.79 ft	on 03-21-2008
39.	29.30 ft	on 05-11-2007
40.	19.02 ft	on 05-05-2006
41.	28.80 ft	on 01-07-2005
42.	28.19 ft	on 05-29-2004
43.	25.00 ft	on 05-12-2003
44.	37.34 ft	on 05-17-2002
45.	34.79 ft	on 06-10-2001
46.	30.62 ft	on 05-21-2001
47.	25.43 ft	on 06-29-2000
48.	32.62 ft	on 05-08-1999
49.	30.30 ft	on 06-24-1998
50.	33.36 ft	on 04-17-1998
51.	31.95 ft	on 04-06-1998
52.	30.80 ft	on 04-20-1997
53.	32.28 ft	on 03-01-1997
54.	35.35 ft	on 06-02-1996
55.	33.80 ft	on 05-16-1996
56.	41.89 ft	on 05-22-1995
57.	31.00 ft	on 05-03-1994
58.	36.61 ft	on 04-15-1994
59.	38.91 ft	on 10-01-1993
60.	49.58 ft	on 08-01-1993
61.	36.60 ft	on 04-17-1993
62.	30.20 ft	on 04-08-1993
63.	31.10 ft	on 06-25-1990
64.	30.60 ft	on 05-30-1990
65.	33.18 ft	on 05-18-1990
66.	39.13 ft	on 10-09-1986
67.	30.40 ft	on 05-24-1986
68.	33.09 ft	on 11-22-1985
69.	30.60 ft	on 06-28-1985
70.	33.50 ft	on 03-08-1985
71.	34.40 ft	on 02-28-1985
72.	30.60 ft	on 06-28-1984
73.	30.50 ft	on 06-15-1984
74.	31.48 ft	on 05-07-1984
75.	34.02 ft	on 04-24-1984
76.	30.53 ft	on 04-12-1984
77.	39.20 ft	on 05-04-1983
78.	36.50 ft	on 04-10-1983
79.	39.27 ft	on 12-07-1982
80.	31.70 ft	on 06-05-1982
81.	30.00 ft	on 05-21-1981
82.	30.60 ft	on 05-07-1979
83.	30.10 ft	on 04-24-1979
84.	37.79 ft	on 04-14-1979
85.	30.38 ft	on 03-27-1978
86.	29.95 ft	on 04-27-1975
87.	30.65 ft	on 06-14-1974
88.	31.13 ft	on 06-03-1974
89.	33.00 ft	on 05-24-1974
90.	31.14 ft	on 06-02-1973
91.	43.23 ft	on 04-28-1973
92.	30.89 ft	on 05-19-1970
93.	32.30 ft	on 10-16-1969
94.	30.70 ft	on 05-02-1969
95.	31.00 ft	on 04-22-1969
96.	30.49 ft	on 07-01-1967
97.	30.44 ft	on 09-28-1965
98.	30.18 ft	on 03-25-1962
99.	33.20 ft	on 05-11-1961
100.	33.78 ft	on 04-10-1960
101.	33.83 ft	on 04-29-1952
102.	40.28 ft	on 07-21-1951	¹
103.	30.80 ft	on 05-08-1951
104.	34.63 ft	on 03-27-1948
105.	40.30 ft	on 07-02-1947
106.	34.30 ft	on 04-28-1947
107.	30.80 ft	on 04-18-1947
108.	35.30 ft	on 06-13-1945
109.	32.10 ft	on 05-22-1945
110.	35.30 ft	on 04-21-1945
111.	32.40 ft	on 04-03-1945
112.	39.14 ft	on 04-30-1944
113.	31.20 ft	on 04-16-1944
114.	34.90 ft	on 06-26-1943
115.	38.94 ft	on 05-24-1943	¹
116.	34.48 ft	on 06-30-1942
117.	30.13 ft	on 04-20-1939
118.	33.52 ft	on 06-07-1935
119.	30.80 ft	on 06-09-1929
120.	33.00 ft	on 06-08-1929
121.	33.20 ft	on 05-21-1929
122.	34.60 ft	on 04-28-1929
123.	30.50 ft	on 04-12-1929
124.	36.10 ft	on 04-26-1927
125.	33.95 ft	on 04-20-1922
126.	32.90 ft	on 06-14-1917
127.	30.00 ft	on 05-31-1916
128.	31.40 ft	on 01-31-1916
129.	30.40 ft	on 08-22-1915
130.	30.10 ft	on 08-05-1915
131.	31.30 ft	on 07-23-1915
132.	31.60 ft	on 06-24-1915
133.	31.30 ft	on 06-04-1915
134.	30.30 ft	on 04-30-1912
135.	30.80 ft	on 04-05-1912
136.	35.25 ft	on 07-16-1909
137.	34.95 ft	on 06-20-1908
138.	30.20 ft	on 09-21-1905
139.	33.60 ft	on 04-29-1904
140.	38.00 ft	on 06-10-1903
141.	30.90 ft	on 05-02-1897
142.	31.60 ft	on 05-03-1893
143.	31.10 ft	on 07-09-1892
144.	36.00 ft	on 05-19-1892
145.	34.80 ft	on 06-25-1883
146.	32.39 ft	on 07-05-1882
147.	33.65 ft	on 05-05-1881
148.	30.10 ft	on 07-07-1876
149.	32.00 ft	on 05-10-1876
150.	29.80 ft	on 08-03-1875
151.	29.31 ft	on 07-24-1869
152.	31.45 ft	on 04-26-1862
153.	36.60 ft	on 06-10-1851
154.	41.32 ft	on 06-27-1844	¹
155.	42.00 ft	on 04-01-1785

1.	49.58 ft	on 08-01-1993
2.	46.02 ft	on 06-09-2019
3.	43.23 ft	on 04-28-1973
4.	42.52 ft	on 01-01-2016
5.	42.00 ft	on 04-01-1785
6.	41.89 ft	on 05-22-1995
7.	41.70 ft	on 05-06-2017
8.	41.32 ft	on 06-27-1844	¹
9.	40.52 ft	on 06-04-2013
10.	40.30 ft	on 07-02-1947
11.	40.28 ft	on 07-21-1951	¹
12.	39.27 ft	on 12-07-1982
13.	39.20 ft	on 05-04-1983
14.	39.14 ft	on 04-30-1944
15.	39.13 ft	on 10-09-1986
16.	38.94 ft	on 05-24-1943	¹
17.	38.91 ft	on 10-01-1993
18.	38.67 ft	on 07-01-2008
19.	38.45 ft	on 07-01-2015
20.	38.00 ft	on 06-10-1903
21.	37.79 ft	on 04-14-1979
22.	37.34 ft	on 05-17-2002
23.	36.72 ft	on 09-18-2008
24.	36.61 ft	on 04-15-1994
25.	36.60 ft	on 04-17-1993
26.	36.60 ft	on 06-10-1851
27.	36.50 ft	on 04-10-1983
28.	36.10 ft	on 04-26-1927
29.	36.00 ft	on 05-19-1892
30.	35.45 ft	on 04-25-2013
31.	35.35 ft	on 06-02-1996
32.	35.30 ft	on 06-13-1945
33.	35.30 ft	on 04-21-1945
34.	35.25 ft	on 07-16-1909
35.	35.18 ft	on 06-28-2010
36.	34.95 ft	on 06-20-1908
37.	34.93 ft	on 05-01-2011
38.	34.90 ft	on 06-26-1943
39.	34.83 ft	on 05-20-2010
40.	34.80 ft	on 06-25-1883
41.	34.79 ft	on 06-10-2001
42.	34.63 ft	on 03-27-1948
43.	34.60 ft	on 04-28-1929
44.	34.48 ft	on 06-30-1942
45.	34.40 ft	on 02-28-1985
46.	34.30 ft	on 04-28-1947
47.	34.02 ft	on 04-24-1984
48.	33.95 ft	on 04-20-1922
49.	33.89 ft	on 07-02-2011
50.	33.83 ft	on 04-29-1952
51.	33.80 ft	on 05-16-1996
52.	33.78 ft	on 04-10-1960
53.	33.65 ft	on 05-05-1881
54.	33.60 ft	on 04-29-1904
55.	33.52 ft	on 06-07-1935
56.	33.50 ft	on 03-08-1985
57.	33.36 ft	on 04-17-1998
58.	33.24 ft	on 05-21-2009
59.	33.20 ft	on 05-11-1961
60.	33.20 ft	on 05-21-1929
61.	33.18 ft	on 05-18-1990
62.	33.16 ft	on 05-30-2011
63.	33.09 ft	on 11-22-1985
64.	33.03 ft	on 03-29-2010
65.	33.00 ft	on 06-08-1929
66.	33.00 ft	on 05-24-1974
67.	32.90 ft	on 06-14-1917
68.	32.77 ft	on 11-02-2009
69.	32.63 ft	on 10-16-2018
70.	32.62 ft	on 05-08-1999
71.	32.40 ft	on 04-03-1945
72.	32.39 ft	on 07-05-1882
73.	32.30 ft	on 10-16-1969
74.	32.29 ft	on 07-25-2010
75.	32.28 ft	on 03-01-1997
76.	32.22 ft	on 05-04-2009
77.	32.15 ft	on 10-13-2019
78.	32.10 ft	on 05-22-1945
79.	32.00 ft	on 05-10-1876
80.	31.95 ft	on 04-06-1998
81.	31.94 ft	on 06-01-2020
82.	31.76 ft	on 05-25-2017
83.	31.70 ft	on 06-05-1982
84.	31.60 ft	on 05-03-1893
85.	31.60 ft	on 06-24-1915
86.	31.53 ft	on 04-13-2008
87.	31.48 ft	on 05-07-1984
88.	31.46 ft	on 03-21-2021	(P)
89.	31.45 ft	on 04-26-1862
90.	31.40 ft	on 01-31-1916
91.	31.30 ft	on 07-23-1915
92.	31.30 ft	on 06-04-1915
93.	31.20 ft	on 04-16-1944
94.	31.14 ft	on 06-02-1973
95.	31.13 ft	on 06-03-1974
96.	31.10 ft	on 06-25-1990
97.	31.10 ft	on 07-09-1892
98.	31.00 ft	on 05-03-1994
99.	31.00 ft	on 04-22-1969
100.	30.99 ft	on 07-11-2014
101.	30.95 ft	on 04-28-2008
102.	30.90 ft	on 05-02-1897
103.	30.89 ft	on 05-19-1970
104.	30.80 ft	on 05-08-1951
105.	30.80 ft	on 04-18-1947
106.	30.80 ft	on 04-05-1912
107.	30.80 ft	on 06-09-1929
108.	30.80 ft	on 04-20-1997
109.	30.79 ft	on 03-21-2008
110.	30.74 ft	on 05-14-2008
111.	30.73 ft	on 08-02-2008
112.	30.70 ft	on 05-02-1969
113.	30.65 ft	on 06-14-1974
114.	30.62 ft	on 05-21-2001
115.	30.60 ft	on 06-28-1984
116.	30.60 ft	on 05-30-1990
117.	30.60 ft	on 05-07-1979
118.	30.60 ft	on 06-28-1985
119.	30.59 ft	on 01-13-2020
120.	30.53 ft	on 04-12-1984
121.	30.50 ft	on 06-15-1984
122.	30.50 ft	on 04-12-1929
123.	30.49 ft	on 07-01-1967
124.	30.44 ft	on 04-29-2010
125.	30.44 ft	on 09-28-1965
126.	30.41 ft	on 03-22-2020
127.	30.40 ft	on 05-24-1986
128.	30.40 ft	on 08-22-1915
129.	30.38 ft	on 03-27-1978
130.	30.34 ft	on 03-25-2020
131.	30.32 ft	on 12-20-2015
132.	30.30 ft	on 04-30-1912
133.	30.30 ft	on 06-24-1998
134.	30.24 ft	on 04-05-2010
135.	30.20 ft	on 04-08-1993
136.	30.20 ft	on 09-21-1905
137.	30.18 ft	on 03-25-1962
138.	30.15 ft	on 06-10-2015
139.	30.13 ft	on 04-20-1939
140.	30.12 ft	on 03-18-2010
141.	30.10 ft	on 08-05-1915
142.	30.10 ft	on 04-24-1979
143.	30.10 ft	on 07-07-1876
144.	30.00 ft	on 05-21-1981
145.	30.00 ft	on 05-31-1916
146.	29.95 ft	on 04-27-1975
147.	29.80 ft	on 08-03-1875
148.	29.31 ft	on 07-24-1869
149.	29.30 ft	on 05-11-2007
150.	28.80 ft	on 01-07-2005
151.	28.19 ft	on 05-29-2004
152.	27.24 ft	on 03-16-2009
153.	25.43 ft	on 06-29-2000
154.	25.00 ft	on 05-12-2003
155.	19.02 ft	on 05-05-2006

1.	-6.20 ft	on 01-16-1940
2.	-5.80 ft	on 01-26-1963
3.	-5.60 ft	on 01-01-1964
4.	-5.50 ft	on 12-12-1937
5.	-5.32 ft	on 12-26-1989
6.	-4.80 ft	on 01-18-1957
7.	-4.60 ft	on 12-29-1933
8.	-4.60 ft	on 01-18-1956
9.	-4.57 ft	on 01-01-2013
10.	-4.50 ft	on 01-16-2003
11.	-4.30 ft	on 01-28-1954
12.	-4.10 ft	on 10-02-1939
13.	-4.10 ft	on 08-28-1936
14.	-4.10 ft	on 01-19-1967
15.	-4.10 ft	on 01-30-1961
16.	-4.00 ft	on 02-03-1951
17.	-4.00 ft	on 01-20-1970
18.	-4.00 ft	on 01-08-1959
19.	-3.80 ft	on 12-11-1964
20.	-3.80 ft	on 01-01-1990
21.	-3.68 ft	on 09-10-2023
22.	-3.53 ft	on 12-08-2005
23.	-3.40 ft	on 02-20-1958
24.	-3.30 ft	on 12-16-1932
25.	-3.20 ft	on 12-18-1988
26.	-3.13 ft	on 10-21-2003
27.	-3.10 ft	on 12-30-1917
28.	-3.09 ft	on 10-24-2022
29.	-3.00 ft	on 08-31-1934
30.	-2.92 ft	on 12-13-2013
31.	-2.90 ft	on 12-22-1922
32.	-2.90 ft	on 12-30-1935
33.	-2.80 ft	on 02-11-1948
34.	-2.70 ft	on 12-23-1948
35.	-2.60 ft	on 12-29-1938
36.	-2.60 ft	on 01-19-1970
37.	-2.50 ft	on 12-14-2000
38.	-2.48 ft	on 01-02-1900
39.	-2.40 ft	on 02-05-1917
40.	-2.40 ft	on 12-30-1920
41.	-2.38 ft	on 11-07-2006
42.	-2.30 ft	on 01-15-1914
43.	-2.20 ft	on 12-23-1916
44.	-1.99 ft	on 01-04-2018
45.	-1.90 ft	on 01-05-1911
46.	-1.90 ft	on 01-02-1931
47.	-1.89 ft	on 02-20-2004
48.	-1.86 ft	on 12-19-1901
49.	-1.83 ft	on 01-27-2022
50.	-1.80 ft	on 12-25-1914
51.	-1.80 ft	on 02-12-1981
52.	-1.80 ft	on 08-12-2005
53.	-1.60 ft	on 01-12-1909
54.	-1.50 ft	on 01-16-1968
55.	-1.45 ft	on 12-16-1910
56.	-1.40 ft	on 01-14-1913
57.	-1.40 ft	on 12-03-1949
58.	-1.40 ft	on 01-07-1953
59.	-1.40 ft	on 10-02-1966
60.	-1.30 ft	on 01-15-1981
61.	-1.30 ft	on 12-31-1980
62.	-1.29 ft	on 02-12-2007
63.	-1.20 ft	on 02-01-1955
64.	-1.10 ft	on 01-30-1902
65.	-1.00 ft	on 08-23-1941
66.	-1.00 ft	on 01-26-2000
67.	-0.90 ft	on 12-24-1929
68.	-0.80 ft	on 01-10-1979
69.	-0.80 ft	on 01-20-1982
70.	-0.60 ft	on 01-27-1895
71.	-0.50 ft	on 02-01-1899
72.	-0.40 ft	on 12-24-1897
73.	-0.30 ft	on 12-23-1945
74.	-0.30 ft	on 01-23-2002
75.	-0.26 ft	on 12-07-2007
76.	-0.20 ft	on 09-07-1991
77.	-0.10 ft	on 12-08-1895
78.	-0.10 ft	on 01-02-1947
79.	0.00 ft	on 12-23-1863
80.	0.10 ft	on 12-08-1893
81.	0.20 ft	on 02-03-1894
82.	0.30 ft	on 12-11-1898
83.	0.85 ft	on 01-14-1868
84.	1.02 ft	on 12-27-1887
85.	1.19 ft	on 02-01-1865
86.	1.20 ft	on 12-24-1892
87.	1.22 ft	on 01-02-1864
88.	1.27 ft	on 12-19-1867
89.	1.33 ft	on 01-01-1861
90.	1.45 ft	on 12-05-1886