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Over 300 real-time observations used to support Advanced Hydrologic Prediction Service (AHPS) forecast points are at risk across the country. Click here for more information from the USGS...
Weather Forecast Office St. Louis, MO North Central River Forecast Center
Hydrograph River at a Glance Download
Mississippi River at St. Louis Stage (ft)Flow (kcfs)Observed: 5.98 ft at 11:00AM Mar 10, 2013Observed: 6.29 ft at 11:30AM Mar 10, 2013Observed: 6.5 ft at 12:00PM Mar 10, 2013Observed: 6.72 ft at 12:30PM Mar 10, 2013Observed: 7.05 ft at 1:00PM Mar 10, 2013Observed: 7.21 ft at 1:30PM Mar 10, 2013Observed: 7.43 ft at 2:00PM Mar 10, 2013Observed: 7.74 ft at 2:30PM Mar 10, 2013Observed: 8.04 ft at 3:00PM Mar 10, 2013Observed: 8.37 ft at 3:30PM Mar 10, 2013Observed: 8.79 ft at 4:00PM Mar 10, 2013Observed: 9.21 ft at 4:30PM Mar 10, 2013Observed: 9.65 ft at 5:00PM Mar 10, 2013Observed: 9.99 ft at 5:30PM Mar 10, 2013Observed: 10.33 ft at 6:00PM Mar 10, 2013Observed: 10.69 ft at 6:30PM Mar 10, 2013Observed: 10.83 ft at 7:00PM Mar 10, 2013Observed: 11.13 ft at 7:30PM Mar 10, 2013Observed: 11.24 ft at 8:00PM Mar 10, 2013Observed: 11.41 ft at 8:30PM Mar 10, 2013Observed: 11.62 ft at 9:00PM Mar 10, 2013Observed: 11.75 ft at 9:30PM Mar 10, 2013Observed: 11.92 ft at 10:00PM Mar 10, 2013Observed: 12.05 ft at 10:30PM Mar 10, 2013Observed: 12.13 ft at 11:00PM Mar 10, 2013Observed: 12.39 ft at 11:30PM Mar 10, 2013Observed: 12.44 ft at 12:00AM Mar 11, 2013Observed: 12.7 ft at 12:30AM Mar 11, 2013Observed: 12.76 ft at 1:00AM Mar 11, 2013Observed: 12.87 ft at 1:30AM Mar 11, 2013Observed: 13 ft at 2:00AM Mar 11, 2013Observed: 13.15 ft at 2:30AM Mar 11, 2013Observed: 13.26 ft at 3:00AM Mar 11, 2013Observed: 13.42 ft at 3:30AM Mar 11, 2013Observed: 13.65 ft at 4:00AM Mar 11, 2013Observed: 13.84 ft at 4:30AM Mar 11, 2013Observed: 14.05 ft at 5:00AM Mar 11, 2013Observed: 14.27 ft at 5:30AM Mar 11, 2013Observed: 14.47 ft at 6:00AM Mar 11, 2013Observed: 14.63 ft at 6:30AM Mar 11, 2013Observed: 14.83 ft at 7:00AM Mar 11, 2013Observed: 15.08 ft at 7:30AM Mar 11, 2013Observed: 15.18 ft at 8:00AM Mar 11, 2013Observed: 15.46 ft at 8:30AM Mar 11, 2013Observed: 15.67 ft at 9:00AM Mar 11, 2013Observed: 15.88 ft at 9:30AM Mar 11, 2013Observed: 16.08 ft at 10:00AM Mar 11, 2013Observed: 16.16 ft at 10:30AM Mar 11, 2013Observed: 16.33 ft at 11:00AM Mar 11, 2013Observed: 16.49 ft at 11:30AM Mar 11, 2013Observed: 16.68 ft at 12:00PM Mar 11, 2013Observed: 16.79 ft at 12:30PM Mar 11, 2013Observed: 17.06 ft at 1:00PM Mar 11, 2013Observed: 17.4 ft at 1:30PM Mar 11, 2013Observed: 17.65 ft at 2:00PM Mar 11, 2013Observed: 17.97 ft at 2:30PM Mar 11, 2013Observed: 18.18 ft at 3:00PM Mar 11, 2013Observed: 18.4 ft at 3:30PM Mar 11, 2013Observed: 18.69 ft at 4:00PM Mar 11, 2013Observed: 18.83 ft at 4:30PM Mar 11, 2013Observed: 19.06 ft at 5:00PM Mar 11, 2013Observed: 19.23 ft at 5:30PM Mar 11, 2013Observed: 19.35 ft at 6:00PM Mar 11, 2013Observed: 19.53 ft at 6:30PM Mar 11, 2013Observed: 19.69 ft at 7:00PM Mar 11, 2013Observed: 19.79 ft at 7:30PM Mar 11, 2013Observed: 19.96 ft at 8:00PM Mar 11, 2013Observed: 20.06 ft at 8:30PM Mar 11, 2013Observed: 20.13 ft at 9:00PM Mar 11, 2013Observed: 20.18 ft at 9:30PM Mar 11, 2013Observed: 20.25 ft at 10:00PM Mar 11, 2013Observed: 20.42 ft at 10:30PM Mar 11, 2013Observed: 20.51 ft at 11:00PM Mar 11, 2013Observed: 20.61 ft at 11:30PM Mar 11, 2013Observed: 20.73 ft at 12:00AM Mar 12, 2013Observed: 20.85 ft at 12:30AM Mar 12, 2013Observed: 21.02 ft at 1:00AM Mar 12, 2013Observed: 21.1 ft at 1:30AM Mar 12, 2013Observed: 21.19 ft at 2:00AM Mar 12, 2013Observed: 21.3 ft at 2:30AM Mar 12, 2013Observed: 21.41 ft at 3:00AM Mar 12, 2013Observed: 21.5 ft at 3:30AM Mar 12, 2013Observed: 21.63 ft at 4:00AM Mar 12, 2013Observed: 21.61 ft at 4:30AM Mar 12, 2013Observed: 21.79 ft at 5:00AM Mar 12, 2013Observed: 21.9 ft at 5:30AM Mar 12, 2013Observed: 22.03 ft at 6:00AM Mar 12, 2013Observed: 22.04 ft at 6:30AM Mar 12, 2013Observed: 22.15 ft at 7:00AM Mar 12, 2013Observed: 22.25 ft at 7:30AM Mar 12, 2013Observed: 22.34 ft at 8:00AM Mar 12, 2013Observed: 22.43 ft at 8:30AM Mar 12, 2013Observed: 22.48 ft at 9:00AM Mar 12, 2013Observed: 22.64 ft at 9:30AM Mar 12, 2013Observed: 22.7 ft at 10:00AM Mar 12, 2013Observed: 22.77 ft at 10:30AM Mar 12, 2013Observed: 22.89 ft at 11:00AM Mar 12, 2013Observed: 22.99 ft at 11:30AM Mar 12, 2013Observed: 23.02 ft at 12:00PM Mar 12, 2013Observed: 23.1 ft at 12:30PM Mar 12, 2013Observed: 23.2 ft at 1:00PM Mar 12, 2013Observed: 23.31 ft at 1:30PM Mar 12, 2013Observed: 23.1 ft at 2:00PM Mar 12, 2013Observed: 23.36 ft at 2:30PM Mar 12, 2013Observed: 23.41 ft at 3:00PM Mar 12, 2013Observed: 23.53 ft at 3:30PM Mar 12, 2013Observed: 23.62 ft at 4:00PM Mar 12, 2013Observed: 23.66 ft at 4:30PM Mar 12, 2013Observed: 23.63 ft at 5:00PM Mar 12, 2013Observed: 23.75 ft at 5:30PM Mar 12, 2013Observed: 23.8 ft at 6:00PM Mar 12, 2013Observed: 23.87 ft at 6:30PM Mar 12, 2013Observed: 23.96 ft at 7:00PM Mar 12, 2013Observed: 24.05 ft at 7:30PM Mar 12, 2013Observed: 24 ft at 8:00PM Mar 12, 2013Observed: 24.12 ft at 8:30PM Mar 12, 2013Observed: 24.14 ft at 9:00PM Mar 12, 2013Observed: 24.2 ft at 9:30PM Mar 12, 2013Observed: 24.24 ft at 10:00PM Mar 12, 2013Observed: 24.29 ft at 10:30PM Mar 12, 2013Observed: 24.29 ft at 11:00PM Mar 12, 2013Observed: 24.36 ft at 11:30PM Mar 12, 2013Observed: 24.44 ft at 12:00AM Mar 13, 2013Observed: 24.41 ft at 12:30AM Mar 13, 2013Observed: 24.41 ft at 1:00AM Mar 13, 2013Observed: 24.37 ft at 1:30AM Mar 13, 2013Observed: 24.53 ft at 2:00AM Mar 13, 2013Observed: 24.46 ft at 2:30AM Mar 13, 2013Observed: 24.56 ft at 3:00AM Mar 13, 2013Observed: 24.62 ft at 3:30AM Mar 13, 2013Observed: 24.58 ft at 4:00AM Mar 13, 2013Observed: 24.62 ft at 4:30AM Mar 13, 2013Observed: 24.57 ft at 5:00AM Mar 13, 2013Observed: 24.59 ft at 5:30AM Mar 13, 2013Observed: 24.71 ft at 6:00AM Mar 13, 2013Observed: 24.72 ft at 6:30AM Mar 13, 2013Observed: 24.72 ft at 7:00AM Mar 13, 2013Observed: 24.68 ft at 7:30AM Mar 13, 2013Observed: 24.64 ft at 8:00AM Mar 13, 2013Observed: 24.68 ft at 8:30AM Mar 13, 2013Highest Observation: 24.8 ft at 9:00AM Mar 13, 2013Observed: 24.78 ft at 9:30AM Mar 13, 2013Observed: 24.78 ft at 10:00AM Mar 13, 2013Observed: 24.72 ft at 10:30AM Mar 13, 2013Observed: 24.7 ft at 11:00AM Mar 13, 2013Observed: 24.75 ft at 11:30AM Mar 13, 2013Highest Observation: 24.8 ft at 12:00PM Mar 13, 2013Observed: 24.69 ft at 12:30PM Mar 13, 2013Observed: 24.72 ft at 1:00PM Mar 13, 2013Highest Observation: 24.8 ft at 1:30PM Mar 13, 2013Observed: 24.75 ft at 2:00PM Mar 13, 2013Observed: 24.79 ft at 2:30PM Mar 13, 2013Observed: 24.74 ft at 3:00PM Mar 13, 2013Observed: 24.55 ft at 3:30PM Mar 13, 2013Observed: 24.78 ft at 4:00PM Mar 13, 2013Observed: 24.79 ft at 4:30PM Mar 13, 2013Observed: 24.71 ft at 5:00PM Mar 13, 2013Observed: 24.73 ft at 5:30PM Mar 13, 2013Observed: 24.76 ft at 6:00PM Mar 13, 2013Observed: 24.75 ft at 6:30PM Mar 13, 2013Observed: 24.69 ft at 7:00PM Mar 13, 2013Observed: 24.65 ft at 7:30PM Mar 13, 2013Observed: 24.63 ft at 8:00PM Mar 13, 2013Observed: 24.69 ft at 8:30PM Mar 13, 2013Observed: 24.57 ft at 9:00PM Mar 13, 2013Observed: 24.63 ft at 9:30PM Mar 13, 2013Observed: 24.67 ft at 10:00PM Mar 13, 2013Observed: 24.61 ft at 10:30PM Mar 13, 2013Observed: 24.71 ft at 11:00PM Mar 13, 2013Observed: 24.61 ft at 11:30PM Mar 13, 2013Observed: 24.63 ft at 12:00AM Mar 14, 2013Observed: 24.56 ft at 12:30AM Mar 14, 2013Observed: 24.59 ft at 1:00AM Mar 14, 2013Observed: 24.54 ft at 1:30AM Mar 14, 2013Observed: 24.54 ft at 2:00AM Mar 14, 2013Observed: 24.54 ft at 2:30AM Mar 14, 2013Observed: 24.55 ft at 3:00AM Mar 14, 2013Observed: 24.36 ft at 3:30AM Mar 14, 2013Observed: 24.51 ft at 4:00AM Mar 14, 2013Observed: 24.41 ft at 4:30AM Mar 14, 2013Observed: 24.46 ft at 5:00AM Mar 14, 2013Observed: 24.43 ft at 5:30AM Mar 14, 2013Observed: 24.43 ft at 6:00AM Mar 14, 2013Observed: 24.4 ft at 6:30AM Mar 14, 2013Observed: 24.3 ft at 7:00AM Mar 14, 2013Observed: 24.34 ft at 7:30AM Mar 14, 2013Observed: 24.32 ft at 8:00AM Mar 14, 2013Observed: 24.3 ft at 8:30AM Mar 14, 2013Observed: 24.26 ft at 9:00AM Mar 14, 2013Observed: 24.29 ft at 9:30AM Mar 14, 2013Observed: 24.21 ft at 10:00AM Mar 14, 2013Observed: 24.22 ft at 10:30AM Mar 14, 2013Observed: 24.17 ft at 11:00AM Mar 14, 2013Observed: 24.19 ft at 11:30AM Mar 14, 2013Observed: 24.12 ft at 12:00PM Mar 14, 2013Observed: 24.13 ft at 12:30PM Mar 14, 2013Observed: 24.14 ft at 1:00PM Mar 14, 2013Observed: 24.11 ft at 1:30PM Mar 14, 2013Observed: 24.09 ft at 2:00PM Mar 14, 2013Observed: 24.07 ft at 2:30PM Mar 14, 2013Observed: 24.09 ft at 3:00PM Mar 14, 2013Observed: 24.02 ft at 3:30PM Mar 14, 2013Observed: 23.89 ft at 4:00PM Mar 14, 2013Observed: 24.04 ft at 4:30PM Mar 14, 2013Observed: 24.01 ft at 5:00PM Mar 14, 2013Observed: 23.96 ft at 5:30PM Mar 14, 2013Observed: 23.87 ft at 6:00PM Mar 14, 2013Observed: 23.87 ft at 6:30PM Mar 14, 2013Observed: 23.83 ft at 7:00PM Mar 14, 2013Observed: 23.8 ft at 7:30PM Mar 14, 2013Observed: 23.81 ft at 8:00PM Mar 14, 2013Observed: 23.75 ft at 8:30PM Mar 14, 2013Observed: 23.73 ft at 9:00PM Mar 14, 2013Observed: 23.75 ft at 9:30PM Mar 14, 2013Observed: 23.69 ft at 10:00PM Mar 14, 2013Observed: 23.64 ft at 10:30PM Mar 14, 2013Observed: 23.65 ft at 11:00PM Mar 14, 2013Observed: 23.69 ft at 11:30PM Mar 14, 2013Observed: 23.66 ft at 12:00AM Mar 15, 2013Observed: 23.69 ft at 12:30AM Mar 15, 2013Observed: 23.61 ft at 1:00AM Mar 15, 2013Observed: 23.52 ft at 1:30AM Mar 15, 2013Observed: 23.44 ft at 2:00AM Mar 15, 2013Observed: 23.56 ft at 2:30AM Mar 15, 2013Observed: 23.54 ft at 3:00AM Mar 15, 2013Observed: 23.41 ft at 3:30AM Mar 15, 2013Observed: 23.47 ft at 4:00AM Mar 15, 2013Observed: 23.41 ft at 4:30AM Mar 15, 2013Observed: 23.43 ft at 5:00AM Mar 15, 2013Observed: 23.38 ft at 5:30AM Mar 15, 2013Observed: 23.36 ft at 6:00AM Mar 15, 2013Observed: 23.38 ft at 6:30AM Mar 15, 2013Observed: 23.37 ft at 7:00AM Mar 15, 2013Observed: 23.34 ft at 7:30AM Mar 15, 2013Observed: 23.25 ft at 8:00AM Mar 15, 2013Observed: 23.29 ft at 8:30AM Mar 15, 2013Observed: 23.23 ft at 9:00AM Mar 15, 2013Observed: 23.25 ft at 9:30AM Mar 15, 2013Observed: 23.21 ft at 10:00AM Mar 15, 2013Observed: 23.23 ft at 10:30AM Mar 15, 2013Highest Forecast: 23.2 ft 1:00PM Mar 15, 2013Forecast: 23 ft 7:00PM Mar 15, 2013Forecast: 22.8 ft 1:00AM Mar 16, 2013Forecast: 22.5 ft 7:00AM Mar 16, 2013Forecast: 22.2 ft 1:00PM Mar 16, 2013Forecast: 22 ft 7:00PM Mar 16, 2013Forecast: 21.7 ft 1:00AM Mar 17, 2013Forecast: 21.5 ft 7:00AM Mar 17, 2013Forecast: 21.3 ft 1:00PM Mar 17, 2013Forecast: 21.1 ft 7:00PM Mar 17, 2013Forecast: 20.9 ft 1:00AM Mar 18, 2013Forecast: 20.7 ft 7:00AM Mar 18, 2013Forecast: 20.5 ft 1:00PM Mar 18, 2013Forecast: 20.4 ft 7:00PM Mar 18, 2013Forecast: 20.2 ft 1:00AM Mar 19, 2013Forecast: 19.9 ft 7:00AM Mar 19, 2013Forecast: 19.7 ft 1:00PM Mar 19, 2013Forecast: 19.4 ft 7:00PM Mar 19, 2013Forecast: 19.2 ft 1:00AM Mar 20, 2013Forecast: 18.9 ft 7:00AM Mar 20, 2013Forecast: 18.7 ft 1:00PM Mar 20, 2013Forecast: 18.4 ft 7:00PM Mar 20, 2013Forecast: 18.1 ft 1:00AM Mar 21, 2013Forecast: 17.8 ft 7:00AM Mar 21, 2013Forecast: 17.4 ft 1:00PM Mar 21, 2013Forecast: 16.9 ft 7:00PM Mar 21, 2013Forecast: 16.4 ft 1:00AM Mar 22, 2013Forecast: 16 ft 7:00AM Mar 22, 2013Forecast: 15.5 ft 1:00PM Mar 22, 2013Forecast: 14.9 ft 7:00PM Mar 22, 2013Forecast: 14.4 ft 1:00AM Mar 23, 2013Forecast: 14 ft 7:00AM Mar 23, 2013Forecast: 13.6 ft 1:00PM Mar 23, 2013Forecast: 13.3 ft 7:00PM Mar 23, 2013Forecast: 13 ft 1:00AM Mar 24, 2013Forecast: 12.8 ft 7:00AM Mar 24, 2013Forecast: 12.5 ft 1:00PM Mar 24, 2013Forecast: 12.2 ft 7:00PM Mar 24, 2013Forecast: 12 ft 1:00AM Mar 25, 2013Forecast: 11.7 ft 7:00AM Mar 25, 2013Forecast: 11.4 ft 1:00PM Mar 25, 2013Forecast: 11.2 ft 7:00PM Mar 25, 2013Forecast: 10.9 ft 1:00AM Mar 26, 2013Forecast: 10.6 ft 7:00AM Mar 26, 2013Forecast: 10.4 ft 1:00PM Mar 26, 2013Forecast: 10.1 ft 7:00PM Mar 26, 2013Forecast: 9.8 ft 1:00AM Mar 27, 2013Forecast: 9.6 ft 7:00AM Mar 27, 2013Forecast: 9.3 ft 1:00PM Mar 27, 2013Forecast: 9 ft 7:00PM Mar 27, 2013Forecast: 8.8 ft 1:00AM Mar 28, 2013Forecast: 8.5 ft 7:00AM Mar 28, 2013Forecast: 8.2 ft 1:00PM Mar 28, 2013Forecast: 7.9 ft 7:00PM Mar 28, 2013USGS--Water Resources of the United StatesEADM7(plotting HGIRG) Graph Created (10:46AM Mar 15, 2013)ObservedForecast (issued 8:57PM Mar 14)Latest observed value: 23.23 ft at 10:30 AM CDT 15-Mar-2013. Flood Stage is 30 ft
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About this graph
Tabular Data
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: 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.

NOTE: Forecasts for the Mississippi River at St. Louis are issued routinely year-round.

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Upstream Gauge - at Mel Price (Alton) Lock and Dam Upstream Gauge Downstream Gauge Downstream Gauge - at Chester
Flood Categories (in feet)
Major Flood Stage:40
Moderate Flood Stage:35
Flood Stage:30
Action Stage:28

Historical Crests
(1) 49.58 ft on 08/01/1993
(2) 43.23 ft on 04/28/1973
(3) 42.00 ft on 04/01/1785
(4) 41.89 ft on 05/22/1995
(5) 41.32 ft on 06/27/1844
(6) 40.30 ft on 07/02/1947
(7) 40.20 ft on 07/22/1951
(8) 39.27 ft on 12/07/1982
(9) 39.13 ft on 10/09/1986
(10) 39.00 ft on 05/04/1983
Show More Historical Crests

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
Show More Low Water Records
Legend
Gauge Location
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
54 The Metro East St Louis and Fish Lake levees which protect 71,000 acres are overtopped.
52 St Louis floodwall is overtopped.
49.58 This is the RECORD FLOOD LEVEL that was reached on August 1 1993.
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 The Harrisonville and Prairie DuPont levees protect 37,360 acres.
47.7 The Columbia levee protects 14,000 acres.
47 The panel floodgate is installed at the CB&Q railraod.
44.1 Chouteau Island Pump Station begins to flood. Power to the Chouteau Island Pump Station disconnected. The Harrisonville and Columbia Levees are overtopped.
43.2 This flood level was reached on April 28 1973.
43 At this level, 5 floodgates are installed: 3 floodgates at the Corps of Engineers Service Base, another at Zepp Street, and another at the railroad near Guthrie Street.
42 Riverview Blvd becomes flooded. A panel floodgate is installed at Riverview Blvd.
41 At this level, St. Louis City installs a double floodgate at Branch Street in north St. Louis.
40 Major flooding begins. At this level the Choteau Island Levee, protecting 2400 acres, is overtopped. Also, Lemay Park just south of Lemay Ferry Road will begin flooding.
39.1 Windsor Harbor Road bridge southeast of Kimmswick begins flooding, isolating residents south of the bridge.
39 The city of Kimmswick, MO begins flooding. Two more St. Louis floodgates are closed at North Market Street (north St. Louis) and at Barton Street on the south side.
38.5 Nellie Avenue, south of Lemay Ferry Road along River des Peres, begins flooding.
38 The U.S. Coast Guard will consider closing the St. Louis harbor to navigation above this level. Four more floodgates are closed at Prairie Avenue, Madison Avenue, Mullanphy Street, and the railroad bed near Lesparance Street.
37.5 Highway 61/67 south of Pevely begin flooding at the Joachim Creek bridge.
37 Three more floodgates are closed at this level: the Missouri Illinois Sand Company gate in south St. Louis, the City of St. Louis railroad gate, and a double gate at East Grand in north St. Louis.
35 Moderate flooding begins. The floodgates at Gratiot Road railroad and Choteau Street are closed.
34 Floodgates at Convent Street railroad and Rutger Street are closed.
33 Floodgates at the Rutger Street railroad and at Miller Street are closed.
32 Flood panels at Carr Street and Poplar Street are installed.
31.9 The entrance to the parking garage just north of Eads bridge begins flooding.
31.7 Leonor K. Sullivan Bouelvard begins flooding at this level in front of the Arch.
30 Floodwall at Lacledes Landing is closed.
18.5 Riverfront parking east of Leonor K. Sullivan Boulevard begins flooding.
2 Barge traffic may need to reduce tonnage below this level.
Photos
(1) Parking garage near Eads bridge in downtown St. Louis during the flooding of 1993.
(2) Looking downstream along River des Peres from I-55 during the flooding of 1993.
(3) Flooded homes along Carondelet Boulevard adjacent to River des Peres during the flood of 1993.
(4) Flood of 1993: St. Louis Arch and Riverfront
(5) Flood of 1993: St. Louis riverboats
(6) Flood of 1993: St. Louis Riverfront
(7) Flood of 1993: Lemay, Missouri at River des Peres looking southeast from Lemay Ferry Rd.
(8) Flood of 1993: Festus, Missouri
(9) American Commercial Lines property on July 1, 2008 at a stage of 38.6 feet.
(10) American Commercial Lines storage on July 1, 2008 at a stage of 38.6 ft.
(11) American Commercial Lines loading area on July 1, 2008 at a stage of 38.6 feet.
(12) Lemay Park south of Lemay Ferry near River des Peres on July 1, 2008 at 38.6 ft.
(13) End of Nellie Avenue at Lemay Park on July 1, 2008 at a stage of 38.6 ft.
(14) Industrial property along River City Casino Boulevard on July 1, 2008 at a stage of 38.6 ft.
(15) St. Louis riverfront looking south at the steps below the rch on June 28, 2010 at 35.3 feet.
(16) Open flood gate at North Market Street on June 28, 2010 at a stage of 35.3 feet.
(17) Flood gate opening at Mullanphy Street on June 28, 2010 at a stage of 35.3 feet.
(18) Flood gate installed at Wharf and Chouteau Streets at a stage of 35.3 feet.
(19) Flood gates installed along Wharf Street at Rutger Street at a stage of 35.3 feet.
(20) Flood gate installed at South Wharf Street near Miller St. at a stage of 35.3 feet.
(21) Flood gate installed on Commercial St. at Carr St. at a stage of 35.3 feet.
(22) President's Casino closed on June 28, 2010 at a stage of 35.3 feet.
(23) Washington Street at Leonor K. Sullivan Boulevard on June 28, 2010 at a stage of 35.3 feet.
(24) Parking garage at Leonor K. Sullivan Boulevard and Morgan Street on June 28, 2010 at 35.3 ft.
(25) Leonor K. Sullivan Boulevard looking south on June 28, 2010 at a stage of 35.2 feet.
(26) Leonor K. Sullivan Boulevard looking south on June 28, 2010 at a stage of 35.28 feet.
(27) Leonor K. Sullivan Boulevard looking north on June 28, 2010 at a stage of 35.28 feet.
(28) Slope gage
(29) View looking upstream
(30) View looking downstream
(31) Navigational display of daily slope gage reading
Low Water Impacts Collapse
-5.5 Near this level, the U.S. Army Corps of Engineers may need to dredge the river more to maintain a 9 foot navigational channel. The U.S. Coast Guard will consider addition navigational restrictions near this level.
2.0 Near this level, commercial barges may need to reduce tonnage.
About This Location Collapse

Latitude: 38.628889° N, Longitude: 90.179722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 30 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 379.94 ft 409.94 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Other Data Sources:
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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.
NWS Information
National Weather Service
St. Louis Weather Forecast Office
12 Missouri Research Park Drive
St. Charles, MO 63304
(636) 441-8467
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