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Hydrograph River at a Glance Download
Mississippi River at St. Louis Stage (ft)Flow (kcfs)Observed: 32.06 ft at 3:00PM Oct 12, 2019Observed: 32.1 ft at 4:00PM Oct 12, 2019Observed: 32.06 ft at 5:00PM Oct 12, 2019Observed: 32.07 ft at 6:00PM Oct 12, 2019Observed: 32.08 ft at 7:00PM Oct 12, 2019Observed: 32.04 ft at 8:00PM Oct 12, 2019Observed: 32.11 ft at 9:00PM Oct 12, 2019Observed: 32.1 ft at 10:00PM Oct 12, 2019Observed: 32.1 ft at 11:00PM Oct 12, 2019Observed: 32.13 ft at 12:00AM Oct 13, 2019Observed: 32.11 ft at 1:00AM Oct 13, 2019Observed: 32.13 ft at 2:00AM Oct 13, 2019Highest Observation: 32.14 ft at 3:00AM Oct 13, 2019Observed: 32.06 ft at 4:00AM Oct 13, 2019Observed: 32.1 ft at 5:00AM Oct 13, 2019Observed: 32.07 ft at 6:00AM Oct 13, 2019Observed: 32.08 ft at 7:00AM Oct 13, 2019Observed: 32.04 ft at 8:00AM Oct 13, 2019Observed: 32.05 ft at 9:00AM Oct 13, 2019Observed: 32.05 ft at 10:00AM Oct 13, 2019Observed: 32.08 ft at 11:00AM Oct 13, 2019Observed: 32.12 ft at 12:00PM Oct 13, 2019Observed: 32.07 ft at 1:00PM Oct 13, 2019Observed: 32.03 ft at 2:00PM Oct 13, 2019Observed: 32.01 ft at 3:00PM Oct 13, 2019Observed: 32.03 ft at 4:00PM Oct 13, 2019Observed: 32.06 ft at 5:00PM Oct 13, 2019Observed: 32 ft at 6:00PM Oct 13, 2019Observed: 31.94 ft at 7:00PM Oct 13, 2019Observed: 31.96 ft at 8:00PM Oct 13, 2019Observed: 31.89 ft at 9:00PM Oct 13, 2019Observed: 31.88 ft at 10:00PM Oct 13, 2019Observed: 31.86 ft at 11:00PM Oct 13, 2019Observed: 31.86 ft at 12:00AM Oct 14, 2019Observed: 31.81 ft at 1:00AM Oct 14, 2019Observed: 31.79 ft at 2:00AM Oct 14, 2019Observed: 31.72 ft at 3:00AM Oct 14, 2019Observed: 31.64 ft at 4:00AM Oct 14, 2019Observed: 31.66 ft at 5:00AM Oct 14, 2019Observed: 31.65 ft at 6:00AM Oct 14, 2019Observed: 31.63 ft at 7:00AM Oct 14, 2019Observed: 31.55 ft at 8:00AM Oct 14, 2019Observed: 31.58 ft at 9:00AM Oct 14, 2019Observed: 31.5 ft at 10:00AM Oct 14, 2019Observed: 31.52 ft at 11:00AM Oct 14, 2019Observed: 31.51 ft at 12:00PM Oct 14, 2019Observed: 31.48 ft at 1:00PM Oct 14, 2019Observed: 31.41 ft at 2:00PM Oct 14, 2019Observed: 31.4 ft at 3:00PM Oct 14, 2019Observed: 31.37 ft at 4:00PM Oct 14, 2019Observed: 31.29 ft at 5:00PM Oct 14, 2019Observed: 31.28 ft at 6:00PM Oct 14, 2019Observed: 31.26 ft at 7:00PM Oct 14, 2019Observed: 31.22 ft at 8:00PM Oct 14, 2019Observed: 31.23 ft at 9:00PM Oct 14, 2019Observed: 31.15 ft at 10:00PM Oct 14, 2019Observed: 31.12 ft at 11:00PM Oct 14, 2019Observed: 31.12 ft at 12:00AM Oct 15, 2019Observed: 31.11 ft at 1:00AM Oct 15, 2019Observed: 31.07 ft at 2:00AM Oct 15, 2019Observed: 31.04 ft at 3:00AM Oct 15, 2019Observed: 30.99 ft at 4:00AM Oct 15, 2019Observed: 30.98 ft at 5:00AM Oct 15, 2019Observed: 30.95 ft at 6:00AM Oct 15, 2019Observed: 30.93 ft at 7:00AM Oct 15, 2019Observed: 30.91 ft at 8:00AM Oct 15, 2019Observed: 30.88 ft at 9:00AM Oct 15, 2019Observed: 30.86 ft at 10:00AM Oct 15, 2019Observed: 30.84 ft at 11:00AM Oct 15, 2019Observed: 30.84 ft at 12:00PM Oct 15, 2019Observed: 30.83 ft at 1:00PM Oct 15, 2019Observed: 30.79 ft at 2:00PM Oct 15, 2019Observed: 30.8 ft at 3:00PM Oct 15, 2019Observed: 30.74 ft at 4:00PM Oct 15, 2019Observed: 30.73 ft at 5:00PM Oct 15, 2019Observed: 30.76 ft at 6:00PM Oct 15, 2019Observed: 30.68 ft at 7:00PM Oct 15, 2019Observed: 30.7 ft at 8:00PM Oct 15, 2019Observed: 30.68 ft at 9:00PM Oct 15, 2019Observed: 30.64 ft at 10:00PM Oct 15, 2019Observed: 30.65 ft at 11:00PM Oct 15, 2019Observed: 30.62 ft at 12:00AM Oct 16, 2019Observed: 30.61 ft at 1:00AM Oct 16, 2019Observed: 30.54 ft at 2:00AM Oct 16, 2019Observed: 30.49 ft at 3:00AM Oct 16, 2019Observed: 30.54 ft at 4:00AM Oct 16, 2019Observed: 30.51 ft at 5:00AM Oct 16, 2019Observed: 30.49 ft at 6:00AM Oct 16, 2019Observed: 30.48 ft at 7:00AM Oct 16, 2019Observed: 30.43 ft at 8:00AM Oct 16, 2019Observed: 30.39 ft at 9:00AM Oct 16, 2019Observed: 30.43 ft at 10:00AM Oct 16, 2019Observed: 30.34 ft at 11:00AM Oct 16, 2019Observed: 30.35 ft at 12:00PM Oct 16, 2019Observed: 30.26 ft at 1:00PM Oct 16, 2019Observed: 30.32 ft at 2:00PM Oct 16, 2019Observed: 30.34 ft at 3:00PM Oct 16, 2019Observed: 30.3 ft at 4:00PM Oct 16, 2019Observed: 30.31 ft at 5:00PM Oct 16, 2019Observed: 30.24 ft at 6:00PM Oct 16, 2019Observed: 30.25 ft at 7:00PM Oct 16, 2019Observed: 30.2 ft at 8:00PM Oct 16, 2019Observed: 30.19 ft at 8:30PM Oct 16, 2019Observed: 30.19 ft at 10:00PM Oct 16, 2019Observed: 30.2 ft at 11:00PM Oct 16, 2019Observed: 30.13 ft at 12:00AM Oct 17, 2019Observed: 30.15 ft at 1:00AM Oct 17, 2019Observed: 30.15 ft at 2:00AM Oct 17, 2019Observed: 30.11 ft at 3:00AM Oct 17, 2019Observed: 30.13 ft at 4:00AM Oct 17, 2019Observed: 30.03 ft at 5:00AM Oct 17, 2019Observed: 30.08 ft at 6:00AM Oct 17, 2019Observed: 30.1 ft at 7:00AM Oct 17, 2019Observed: 30.08 ft at 8:00AM Oct 17, 2019Observed: 30.08 ft at 9:00AM Oct 17, 2019Observed: 30.08 ft at 10:00AM Oct 17, 2019Observed: 30.05 ft at 1:00PM Oct 17, 2019Observed: 30.01 ft at 2:00PM Oct 17, 2019Highest Forecast: 30 ft 7:00PM Oct 17, 2019Highest Forecast: 30 ft 1:00AM Oct 18, 2019Highest Forecast: 30 ft 7:00AM Oct 18, 2019Highest Forecast: 30 ft 1:00PM Oct 18, 2019Highest Forecast: 30 ft 7:00PM Oct 18, 2019Highest Forecast: 30 ft 1:00AM Oct 19, 2019Forecast: 29.9 ft 7:00AM Oct 19, 2019Forecast: 29.9 ft 1:00PM Oct 19, 2019Forecast: 29.9 ft 7:00PM Oct 19, 2019Forecast: 29.8 ft 1:00AM Oct 20, 2019Forecast: 29.8 ft 7:00AM Oct 20, 2019Forecast: 29.7 ft 1:00PM Oct 20, 2019Forecast: 29.7 ft 7:00PM Oct 20, 2019Forecast: 29.6 ft 1:00AM Oct 21, 2019Forecast: 29.4 ft 7:00AM Oct 21, 2019Forecast: 29.3 ft 1:00PM Oct 21, 2019Forecast: 29.2 ft 7:00PM Oct 21, 2019Forecast: 29 ft 1:00AM Oct 22, 2019Forecast: 28.9 ft 7:00AM Oct 22, 2019Forecast: 28.8 ft 1:00PM Oct 22, 2019Forecast: 28.7 ft 7:00PM Oct 22, 2019Forecast: 28.6 ft 1:00AM Oct 23, 2019Forecast: 28.5 ft 7:00AM Oct 23, 2019Forecast: 28.4 ft 1:00PM Oct 23, 2019Forecast: 28.2 ft 7:00PM Oct 23, 2019Forecast: 28.1 ft 1:00AM Oct 24, 2019Forecast: 27.9 ft 7:00AM Oct 24, 2019Forecast: 27.7 ft 1:00PM Oct 24, 2019Forecast: 27.6 ft 7:00PM Oct 24, 2019Forecast: 27.4 ft 1:00AM Oct 25, 2019Forecast: 27.3 ft 7:00AM Oct 25, 2019Forecast: 27.1 ft 1:00PM Oct 25, 2019Forecast: 27 ft 7:00PM Oct 25, 2019Forecast: 26.8 ft 1:00AM Oct 26, 2019Forecast: 26.6 ft 7:00AM Oct 26, 2019Forecast: 26.4 ft 1:00PM Oct 26, 2019Forecast: 26.3 ft 7:00PM Oct 26, 2019Forecast: 26.1 ft 1:00AM Oct 27, 2019Forecast: 25.9 ft 7:00AM Oct 27, 2019Forecast: 25.7 ft 1:00PM Oct 27, 2019Forecast: 25.6 ft 7:00PM Oct 27, 2019Forecast: 25.4 ft 1:00AM Oct 28, 2019Forecast: 25.2 ft 7:00AM Oct 28, 2019Forecast: 25.1 ft 1:00PM Oct 28, 2019Forecast: 24.9 ft 7:00PM Oct 28, 2019Forecast: 24.7 ft 1:00AM Oct 29, 2019Forecast: 24.5 ft 7:00AM Oct 29, 2019Forecast: 24.3 ft 1:00PM Oct 29, 2019Forecast: 24.1 ft 7:00PM Oct 29, 2019Forecast: 23.9 ft 1:00AM Oct 30, 2019Forecast: 23.7 ft 7:00AM Oct 30, 2019Forecast: 23.5 ft 1:00PM Oct 30, 2019Forecast: 23.3 ft 7:00PM Oct 30, 2019Forecast: 23.1 ft 1:00AM Oct 31, 2019Forecast: 22.9 ft 7:00AM Oct 31, 2019USGS--Water Resources of the United StatesEADM7(plotting HGIRP) Graph Created (2:54PM Oct 17, 2019)ObservedForecast (issued 9:59AM Oct 17)Latest observed value: 30.01 ft at 2:00 PM CDT 17-Oct-2019. Flood Stage is 30 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: For the latest navigation status update from the U.S. Army Corps of Engineers-St. Louis District, click here.

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
Low Stage (in feet): -9999

Historic Crests
(1) 49.58 ft on 08/01/1993
(2) 45.93 ft on 06/08/2019 (P)
(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
(9) 40.52 ft on 06/04/2013
(10) 40.30 ft on 07/02/1947
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 45.93 ft on 06/08/2019 (P)
(2) 32.63 ft on 10/16/2018
(3) 31.76 ft on 05/25/2017
(4) 41.70 ft on 05/06/2017
(5) 42.52 ft on 01/01/2016
(6) 30.32 ft on 12/20/2015
(7) 38.45 ft on 07/01/2015
(8) 30.15 ft on 06/10/2015
(9) 30.99 ft on 07/11/2014
(10) 40.52 ft on 06/04/2013
Show More Recent Crests

(P): Preliminary values subject to further review.

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

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
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Gauge LocationGauge Map Marker
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
If you notice any errors in the below information, please contact our Webmaster
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.
47 The panel floodgate is installed at the CB&Q railraod. Businesses along North Commercial Street in Laclede's Landing in downtown St. Louis begin flooding.
44.1 Chouteau Island Pump Station begins to flood. Power to the Chouteau Island Pump Station disconnected.
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 In Lemay, Military Road between Lemay Ferry Road and Kayser Avenue and Fannie Avenue between Military Road and Dammert Avenue will begin flooding near this height. At Riverview Boulevard, a panel floodgate is installed at this height.
41.5 Near this height, Koch Road at the Robert Koch Road intersection begins flooding.
41 At this level, St. Louis City installs a double floodgate at Branch Street in north St. Louis.
40.7 Near this level, River City Boulevard begins flooding between Lemay Ferry Road and Weber Road.
40.3 With record inflows from the Meramec, this was the stage at which U.S. Highway 61/67 at Route K west of Kimmswick was closed in both directions in December 2015.
40 Lemay Park just south of Lemay Ferry Road will begin flooding. The St. Louis Metropolitan Sewer District will shut down the Watkins Creek pump station in the 11000 block of Riverview Drive in Spanish Lake.
39.1 Windsor Harbor Road bridge southeast of Kimmswick begins flooding, isolating residents south of the bridge.
39 Fannie Avenue from Military Road to the end of county maintenance and Christopher Drive near Nellie Avenue, both in south St. Louis County, begin flooding near this height. Two more St. Louis floodgates are closed at North Market Street (north St. Louis) and at Barton Street on the south side. Near this height, the Choteau Island levee is overtopped, affecting 2400 acres.
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. In south St. Louis county, Hoffmeister Avenue begins flooding east of Broadway. Four more floodgates are closed at Prairie Avenue, Madison Avenue, Mullanphy Street, and the railroad bed near Lesparance Street.
37.5 Near this height, Riverview Drive between Coal Bank Road and Prigge Road begins flooding. Coal Bank Road between Lilac Avenue and Riverview Drive also begins flooding. Highway 61/67 south of Pevely begins flooding at the Joachim Creek bridge within a foot of this level.
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. Also, with record inflow from the Meramec in December 2015, Missouri Route K west of Kimmswick was closed in both directions at Rock Creek near this height.
36.5 At this height, water will reach the base of floodgates at Poplar and at Chouteau. With record inflows from the Meramec, Missouri Route M was closed near this height from I-55 to U.S. 61/67 in December 2015.
36 Near this level, River City Casino Boulevard between Lemay Ferry Road and South Broadway begins flooding. Also, Riverview Drive begins flooding between the Northern Industrial Railroad bridge and Scranton Avenue.
35 The floodgates at Gratiot Road railroad and Chouteau Street are closed. At this height, water will reach the base of the floodgates at Carr Street.
34 Leonor K. Sullivan Bouelvard begins flooding at this level near the Eads bridge underpass. Also, flood gates 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. Water will reach the base of the floodgates at Carr Street at 35 feet, and at Poplar Street at 36.5 feet.
31.9 The entrance to the parking garage just north of Eads bridge begins flooding.
30 Floodwall at Lacledes Landing is closed.
25 If the river is rising at this level, the U.S. Coast Guard may restrict the use of recreation vessels.
18.5 Riverfront parking east of Leonor K. Sullivan Boulevard begins flooding.
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
If you notice any errors in the below information, please contact our Webmaster
5.0 to -7.0 Near these levels, commercial barges may need to reduce tonnage, and dredging may be necessary to maintain a 9 foot deep channel for navigation. For up to date channel conditions from the USACE-St. Louis District visit: http://mvs-wc.mvs.usace.army.mil/realtime/nav_status/status.html.
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 379.58 ft 409.58 ft 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  

Current/Historical Observations:

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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
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St. Charles, MO 63304
(636) 441-8467
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Page last modified: 1-Mar-2019 12:34 AM
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