Rivers in Iowa
Mississippi River at Dubuque (Railroad Bridge)
Below flood stage
7.98ftStage
Observed Sun, Sep 27, 4:30 PM CDT
- Flood stage
- 17.00 ft
- Forecast crest
- 7.80 ftSun, Sep 27, 7:00 PM CDT
- Record crest
- 26.81 ft1965
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 21.50 ft |
| Moderate flood | 18.00 ft |
| Minor flood | 17.00 ft |
| Action | 15.00 ft |
- 34.60 ftWater reaches the top of the flood wall at Kerper in Dubuque.
- 32.00 ftWater overtops the Dubuque flood wall and levee at their lowest points.
- 31.60 ftWater reaches the bottom of the 16th Street bridge.
- 28.80 ftWater reaches the bottom of the 4th Street bridge.
- 28.50 ftWater overtops the East Dubuque levee.
- 26.50 ftWater affects service buildings at Dubuque Casino. Water also reaches the top of the East Dubuque levee flood gates.
- 26.00 ftWater affects Miller Riverview Park parking lot in Dubuque.
- 25.50 ftWater affects the lowest sections of Dubuque Casio parking lot.
- 25.00 ftWater 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.
- 24.00 ftWater affects Dubuque Marina facilities and buildings. Water also affects Hawthorne Peninsula Park in Dubuque.
- 22.60 ftWater affects the Midtown Marina facilities and parking lot in East Dubuque.
- 21.50 ftWater affects several homes in the Frentress Lake area.
- 20.50 ftWater affects the Illinois Central railroad tracks in Dubuque.
- 20.00 ftWater 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.
- 18.00 ftWater reaches the bottom of the East Dubuque Flats levee.
- 17.50 ftWater affects Basten Road in East Dubuque.
- 17.00 ftWater affects homes in Shore Acres in East Dubuque.
- 15.00 ftWater affects yards in East Dubuques Shore Acres subdivision.
- 14.00 ftWater 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.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 25, 2026.
Crest history
47 crests on NOAA’s list since 1880.
| # | Date | Stage |
|---|---|---|
| 1 | April 26, 1965 | 26.81 ft |
| 2 | April 21, 2001 | 25.40 ft |
| 3 | April 29, 2023 | 24.30 ft |
| 4 | July 1, 1993 | 23.84 ft |
| 5 | April 27, 2019 | 23.18 ft |
| 6 | April 23, 1969 | 23.11 ft |
| 7 | April 19, 2011 | 22.82 ft |
| 8 | April 16, 1997 | 22.80 ft |
| 9 | May 6, 1975 | 22.78 ft |
| 10 | April 25, 1952 | 22.70 ft |
| 11 | April 22, 1951 | 22.65 ft |
| 12 | April 6, 2019 | 22.65 ft |
| 13 | July 6, 2024 | 22.30 ft |
| 14 | April 12, 1967 | 21.86 ft |
| 15 | March 24, 1973 | 21.85 ft |
| 16 | April 11, 1967 | 21.80 ft |
| 17 | October 5, 1986 | 21.77 ft |
| 18 | June 23, 1880 | 21.70 ft |
| 19 | April 12, 1986 | 21.50 ft |
| 20 | May 12, 1888 | 21.40 ft |
| 21 | April 7, 1920 | 21.00 ft |
| 22 | April 21, 1922 | 21.00 ft |
| 23 | May 31, 2019 | 20.75 ft |
| 24 | September 21, 1938 | 20.60 ft |
| 25 | June 13, 2008 | 20.55 ft |
Most recent crests
- July 6, 2024: 22.30 ft
- April 29, 2023: 24.30 ft
- May 31, 2019: 20.75 ft
- April 27, 2019: 23.18 ft
- April 6, 2019: 22.65 ft
- May 8, 2018: 19.66 ft
- May 29, 2017: 18.80 ft
- September 30, 2016: 17.78 ft
- March 26, 2016: 17.23 ft
- June 6, 2015: 13.31 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the North Central River Forecast Center. Forecasts are issued routinely year-round. 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.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.