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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 Dubuque (Railroad Bridge) are issued routinely year-round.
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Upstream Gauge - at Dubuque (LD11) Upstream Gauge Downstream Gauge Downstream Gauge - at Bellevue
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 21.5
Moderate Flood Stage: 18
Flood Stage: 17
Action Stage: 15
Low Stage (in feet): -9999

Historic Crests
(1) 26.81 ft on 04/26/1965
(2) 25.40 ft on 04/21/2001
(3) 24.30 ft on 04/29/2023 (P)
(4) 23.84 ft on 07/01/1993
(5) 23.18 ft on 04/27/2019
(6) 23.11 ft on 04/23/1969
(7) 22.82 ft on 04/19/2011
(8) 22.80 ft on 04/16/1997
(9) 22.78 ft on 05/06/1975
(10) 22.70 ft on 04/25/1952
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 24.30 ft on 04/29/2023 (P)
(2) 20.75 ft on 05/31/2019 (P)
(3) 23.18 ft on 04/27/2019
(4) 22.65 ft on 04/06/2019 (P)
(5) 19.66 ft on 05/08/2018
(6) 18.80 ft on 05/29/2017
(7) 17.78 ft on 09/30/2016
(8) 17.23 ft on 03/26/2016
(9) 13.31 ft on 06/06/2015
(10) 20.24 ft on 07/03/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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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
34.6 Water reaches the top of the flood wall at Kerper in Dubuque.
32 Water overtops the Dubuque flood wall and levee at their lowest points.
31.6 Water reaches the bottom of the 16th Street bridge.
28.8 Water reaches the bottom of the 4th Street bridge.
28.5 Water overtops the East Dubuque levee.
26.5 Water affects service buildings at Dubuque Casino. Water also reaches the top of the East Dubuque levee flood gates.
26 Water affects Miller Riverview Park parking lot in Dubuque.
25.5 Water affects the lowest sections of Dubuque Casio parking lot.
25 Water affects Admiral Sheehy Drive at Greyhound Park Road in Dubuque. Water also affects the Burlington Northern railroad tracks near Lock and Dam 11. Water also floods ballparks on City Island.
24 Water affects Dubuque Marina facilities and buildings. Water also affects Hawthorne Peninsula Park in Dubuque.
22.6 Water affects the Midtown Marina facilities and parking lot in East Dubuque.
21.5 Water affects several homes in the Frentress Lake area.
20.5 Water affects the Illinois Central railroad tracks in Dubuque.
20 Water reaches the base of the flood wall at the Ice Harbor. Most of the houses on the river side of the East Dubuque levee are in water.
18 Water reaches the bottom of the East Dubuque Flats levee.
17.5 Water affects Basten Road in East Dubuque.
17 Water affects homes in Shore Acres in East Dubuque.
15 Water affects yards in East Dubuques Shore Acres subdivision.
14 Water inundates the lower end of City Island. Water is at the edge of the Shore Acres subdivision and the Bent Prop Marina area in East Dubuque.

Other Real-time and/or Archive Data Sources:

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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
Quad Cities Weather Forecast Office
9040 N Harrison Street
Davenport, IA 52806-7326
(563) 386-3976
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Page last modified: 2-Nov-2020 7:29 PM
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