National Weather Service Advanced Hydrologic Prediction Service

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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.


DID YOU KNOW... Please try our new TEST hydrograph page link at: https://preview.water.noaa.gov/gauges/abcde - Just replace “abcde” with your local hydrograph five character ID found in the lower left corner of the hydrograph. In late March of 2024, the base URL path will become water.noaa.gov. Feedback can be provided HERE

Weather Forecast Office St. Louis, MO

North Central River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (CST)

Datum: Not Available

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 Quincy are issued routinely year-round.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	26
Moderate Flood Stage:	22
Flood Stage:	19
Action Stage:	17
Low Stage (in feet):	-9999

Historic Crests
(1) 32.13 ft on 07/13/1993
(2) 31.16 ft on 05/03/2019
(3) 30.80 ft on 06/18/2008
(4) 28.90 ft on 04/25/1973
(5) 27.75 ft on 04/21/2013
(6) 27.31 ft on 05/16/2001
(7) 26.75 ft on 07/08/2014
(8) 25.30 ft on 10/04/1986
(9) 25.16 ft on 06/01/2013
(10) 24.81 ft on 10/12/2018
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 21.18 ft on 05/05/2023
(2) 19.58 ft on 04/02/2020
(3) 20.05 ft on 10/17/2019
(4) 18.03 ft on 10/01/2019
(5) 17.33 ft on 07/09/2019
(6) 31.16 ft on 05/03/2019
(7) 24.81 ft on 10/12/2018
(8) 20.31 ft on 09/09/2018
(9) 19.15 ft on 07/05/2018
(10) 19.61 ft on 05/15/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -3.40 ft on 12/14/1936
(2) -3.00 ft on 12/26/1933
(3) -2.20 ft on 01/17/1938
(4) -1.90 ft on 12/10/1910
(5) -1.60 ft on 12/18/1922
Show More Low Water Records

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

Show FEMA's National Flood Hazard Layers

Zoom Level:14

	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

If you notice any errors in the below information, please contact our Webmaster
35	The Flood wall protecting the Quincy Water Plant is overtopped. The South Quincy Drainage District levee is overtopped near this height, flooding 5500 acres on the Illinois side 1 to 9 miles downstream of Quincy.
34	Near this height, the South Quincy Drainage District levee overtops.
31	The Comstock Stove Castle Company warehouse begins flooding near this height.
30.8	Near this height, all roads leading to Bottom Road north of Quincy are closed to all traffic.
29.7	Indian Grave Levee north of Quincy is overtopped.
29.6	The Fabius River Drainage District levee is overtopped near this height, flooding 14000 acres on the Missouri side from 5 miles upstream of Quincy and 4 miles downstream of Quincy.
29.5	The main floor of the South Side Boat Club floods near this height. Also, the Union Township Drainage District levee is overtopped, flooding 5000 acres on the Missouri side about 4 to 8 miles upstream of Quincy.
29	R.J. Peters Drive in south Quincy is closed between 8th Street and Gardner Expressway, or Illinois Route 57.
28.8	Flood water reaches the low steel on the BNSF bridge in Quincy.
28.2	Damage begins at Quincy sewage treatment plant.
28	The city of Quincy begins sandbagging. Also, the land around the log cabins at Log Cabin Village on Quinsippi Island begins flooding.
26.3	Eastbound lanes of the US Highway 24 bridge (Memorial Bridge) are closed. Eastbound traffic is diverted to the northern US Highway 24 bridge, or onto the Bayview Bridge.
26	At this height, Quinsippi Island roads flood by the park shelters and Lenane Park begins flooding.
24	In Quincy, Bonansinga Drive is closed at Cedar Street and at Koch's Lane. Illinois Highway 57 is closed between Jefferson Street and the Gardner Denver company. The Art Keller Marina docks are cabled off and closed.
23.5	County Highway 7 in Quincy south of Parker Heights Park is flooded.
22.1	Bonansinga Drive at Bob Bangert Park begins to flood. Also, the basement of the South Side Boat Club begins flooding near this height.
22	The Clat Adams Bicentennial Park, just north of the Memorial Bridge, begins flooding. Also at this height, most roads in Kesler Park are flooded.
21.9	The lower floor of the Quincy Boat House begins flooding near this height.
21.1	The roundabout at the north entrance to the Clat Adams Bicentennial Park begins flooding at this height.
20	All America and Bob Bangert parks begin to flood. Also, the Art Keller Marina walkways and the south boat ramp at Kesler Park begin flooding.
19.5	Garages beneath raised homes along Bonansinga Drive will begin flooding near this height.
18.5	BNSF Railroad main line, 10 to 16 miles above Quincy begins to flood at several locations.
15	Riverside campsites south of Quincy begin to flood.
14	Unprotected bottomlands flood on both sides of the river above and below the gage.
Photos (1) Quincy During 1993 Flood (2) Comstock Castle Stove Company on Washington St. in Quincy on 19 June 2008 with a stage of 27.66 ft. (3) South Side Boat Club in Quincy on 19 June 2008 with a stage of 27.66 ft. (4) Debris accumlated along the US Hwy 24 eastbound bridge on 19 June 2008 with a stage at 27.66 ft. (5) "The Pier" restaurant on July 19, 2010 with a stage of 27.66 feet. (6) Bicentennial Park flooding on the Quincy riverfront on 19 June 2008 at a stage of 27.66 ft. (7) Bicentennial Park gazebo on May 17, 2001 at 26.3 feet. (8) Quincy railroad tracks on May 17, 2001 at a stage of 26.3 feet. (9) Boat house off Bonansinga Drive on June 25, 2010 at a stage of 21.8 feet. (10) The lower level of the South Side Boat Club is threatened on June 25, 2010 at a stage of 21.8 feet. (11) "The Pier" restaurant on June 25, 2010 at a stage of 21.8 feet. (12) Casino parking lot west of Hwy B at La Grange, MO on June 25, 2010 at a Quincy stage of 21.7 ft. (13) Casino parking lot east of Hwy B at La Grange, MO on June 25, 2010 at a Quincy stage of 21.7 ft. (14) Garage flooding off Bonansinga Drive on June 25, 2010 with a stage of 21.8 feet. (15) Garage flooding off Bonansinga Drive on June 25, 2010 with a stage of 21.8 feet. (16) Clubhouse flooding at Kesler Park on June 25, 2010 at a stage of 21.8 feet. (17) Shelter flooded at Kesler Park on June 25, 2010 at a stage of 21.8 feet. (18) Flooded soccer fields at Bob Bangert Park on June 25, 2010 with a stage of 21.8 feet. (19) BNSF railroad tracks in LaGrange on June 25, 2010 with a Quincy stage of 21.7 feet.

About This Location

Latitude: 39.932155° N, Longitude: 91.416115° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	19 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	Not Available	Not Available	Older USGS topographic maps, NGVD29 benchmarks
MSL	Not Available	Not Available	Older USGS topographic maps, MSL benchmarks
Other	458.59 ft	475.59 ft	Datum of 1912.

Additional Information

How low could the river get?

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Hydrologic Resources

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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.

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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Page last modified: 2-Nov-2020 7:29 PM

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