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This probabilistic forecast is issued by the North Central River Forecast Center.
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About this graph
Forecasts for the Mississippi River at Louisiana are issued routinely year-round.
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Upstream Gauge - at Saverton Lock and Dam 22 Upstream Gauge Downstream Gauge Downstream Gauge - at Clarksville Lock and Dam 24
Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 25
Moderate Flood Stage: 20
Flood Stage: 15
Action Stage: 13
Low Stage (in feet): -9999

Historic Crests
(1) 28.40 ft on 07/28/1993
(2) 27.72 ft on 06/02/2019
(3) 27.05 ft on 04/24/1973
(4) 26.96 ft on 06/23/2008
(5) 24.99 ft on 04/22/2013
(6) 24.43 ft on 05/16/2001
(7) 24.33 ft on 07/08/2014
(8) 22.79 ft on 10/13/2018
(9) 22.70 ft on 04/05/1983
(10) 22.70 ft on 10/05/1986
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(P): Preliminary values subject to further review.

Recent Crests
(1) 19.98 ft on 05/06/2023
(2) 17.49 ft on 04/13/2021
(3) 16.98 ft on 03/19/2021
(4) 16.92 ft on 07/02/2020
(5) 17.31 ft on 06/11/2020
(6) 15.18 ft on 05/18/2020
(7) 18.91 ft on 04/03/2020
(8) 19.07 ft on 10/18/2019
(9) 27.72 ft on 06/02/2019
(10) 15.05 ft on 11/12/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -3.20 ft on 12/07/1897
(2) -3.20 ft on 12/28/1933
(3) -0.20 ft on 10/21/1932
(4) 0.10 ft on 07/27/1911
(5) 0.80 ft on 10/20/1918
Show More Low Water Records
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Gauge LocationGauge Map Marker
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
33.1 Near this height, water will begin to flood U.S. Highway 54 on the Illinois side between the Champ Clark bridge and the levee.
29.5 The boat house floods.
28.6 The floodwall at the sewage treatment plant is overtopped, forcing the plant shutdown.
28.4 This is the RECORD FLOOD LEVEL that was reached on July 28 1993.
28.3 This represents the height of the railroad tracks along Water Street.
28 Water reaches low steel on railroad bridge in Louisiana.
27 The Sny Island Cell #2 Levee is overtopped. This flood level was reached on April 24 1973.
26 Floodgates and sandbags are used to protect the city water treatment intake.
25.9 Near this height the main floor of the Two Rivers Marina off U.S. Highway 54 begins flooding.
25.5 The south end of Main Street in Louisiana begins flooding.
25.25 Missouri Highway 79 from County Road 115 to County Road 117 is closed northwest of Louisiana.
23.5 Sny Levee District starts mobilizing to close levee.
23 Numerous houses and businesses in southeast Louisiana begin to flood.
22.8 Highway 79 is closed at Route D south of Louisiana near the Dyno-Nobel plant and Calumet plant.
21.7 Floodgates are installed at the city sewage treatment facility.
21.5 Water encroaches both shoulders of State Highway 79 about one half mile south of Louisiana at the Junction of County Road D. Also at this level low sections highway 79 in Louisiana are flooded. Motorists are detoured onto side streets. A business at the SW corner of Highway 79 and Alabama begins flooding.
21.3 Highway 79 near Alabama Street at Gladney's car lot is closed.
21 Highway 79 begins flooding near 3rd Street on the south side of Louisiana.
20.8 Near this height, the railroad bridge below the mouth of Noix Creek is closed. Above this height, the bridge is unable to open to vessel traffic.
20.2 Illinois Street between Main and Highway 79 begin flooding.
19.8 Entrance to Noix Creek Campground begins flooding.
19.6 Maryland Steet at 4th Street by the Town Branch bridge begins flooding near this height.
17 The parking area at the boat house floods.
15 The first quarter mile of Edison Avenue beyond the railroad tracks begins flooding near this height.
12.2 For barge navigation, the Corps will attempt to keep the river at or below this level. Year-round target levels are between 11.5 and 12.2 feet.
11.5 For safe navigation of barge traffic, the Corps will try to keep the river above this level. Year-round target levels are between 11.5 and 12.2 feet.
(1) Louisiana riverfront flooded on June 19, 2008 at 26.0 ft.
(2) Highway 54 flooded just east of Mississippi River bridge on June 19, 2008 at 25.95 feet.
(3) Flooded businesses along South Main Street south of Delaware Street on June 19, 2008 at 25.95 feet.
(4) South 3rd Street (Highway 79) looking south from N. Carolina Street on June 19, 2008 at 25.9 ft.
(5) Alabama Street between Main St. and South 3rd Street on June 19, 2008 at 25.9 feet.
(6) Looking down Highway 79 at Alabama Street on May 17, 2001 at 24.1 feet.
(7) 4th St. at Maryland looking south on June 25, 2010 at 20.74 feet.
(8) Illinois Street from Main Street looking west on June 25, 2010 at 20.73 feet.
(9) Hwy 79 (3rd St.) looking south toward Alabama Street on June 25, 2010 at 20.73 feet.
(10) Delaware Street looking west from Hwy 79 (3rd St.) on June 25, 2010 at 20.73 feet.
(11) Louisiana riverfront park on May 17, 2001 at 24.1 feet.
(12) Riverfront parking near the boathouse restaurant on April 14, 2007 at 16.75 ft.
(13) Gaging shelter at Louisiana, MO at a stage of 16.75 feet.
Additional Information Collapse
How low could the river get?
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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
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St. Charles, MO 63304
(636) 441-8467
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Page last modified: 2-Nov-2020 7:29 PM
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