Mississippi River at McGregor
Observed Mon, Sep 21, 9:45 PM CDT
- Flood stage
- 16.00 ft
- Forecast crest
- 8.70 ftTue, Sep 22, 1:00 PM CDT
- Record crest
- 25.38 ft1965
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 22.00 ft |
| Moderate flood | 19.00 ft |
| Minor flood | 16.00 ft |
| Action | 13.00 ft |
- 27.90 ftThe water overtops the levee.
- 25.40 ftThe water reaches the flood of record set in 1965.
- 25.00 ftMajor flooding occurs in McGregor.
- 23.50 ftThe road near the casino in Marquette is closed.
- 22.00 ftWater covers the north end of Main Street.
- 21.50 ftRailroad tracks near the casino in Marquette are closed.
- 19.60 ftThe road to the Prairie du Chien waste water treatment facility is flooded.
- 19.00 ftFlooding of some residential areas begin.
- 18.00 ftPumping operations begin at the Prairie du Chien waste water treatment facility.
- 17.00 ftMinor lowland flooding begins, and access to parks near the river in Prairie du Chien is affected.
- 16.50 ftWater may begin to go over the road covering part of Highway C near Highway 18.
- 16.00 ftThe Washington Street Bridge to Saint Feriole Island begins to flood and is closed. Pumping operations are underway.
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 August 28, 2026.
Crest history
47 crests on NOAA’s list since 1880.
| # | Date | Stage |
|---|---|---|
| 1 | April 24, 1965 | 25.38 ft |
| 2 | April 20, 2001 | 23.75 ft |
| 3 | April 28, 2023 | 22.91 ft |
| 4 | June 29, 1993 | 21.98 ft |
| 5 | April 26, 2019 | 21.75 ft |
| 6 | April 22, 1969 | 21.58 ft |
| 7 | April 15, 1997 | 21.38 ft |
| 8 | April 18, 2011 | 21.32 ft |
| 9 | May 5, 1975 | 21.12 ft |
| 10 | June 22, 1880 | 21.00 ft |
| 11 | April 23, 1952 | 20.89 ft |
| 12 | April 22, 1951 | 20.83 ft |
| 13 | July 5, 2024 | 20.75 ft |
| 14 | April 10, 1967 | 20.71 ft |
| 15 | October 1, 1987 | 20.20 ft |
| 16 | October 4, 1986 | 20.20 ft |
| 17 | March 22, 1973 | 20.15 ft |
| 18 | April 10, 1986 | 20.10 ft |
| 19 | October 2, 2010 | 19.43 ft |
| 20 | June 2, 2019 | 19.09 ft |
| 21 | March 16, 1983 | 19.00 ft |
| 22 | May 11, 1954 | 18.66 ft |
| 23 | April 28, 1996 | 18.50 ft |
| 24 | September 18, 1938 | 18.37 ft |
| 25 | April 26, 1982 | 17.96 ft |
Most recent crests
- July 5, 2024: 20.75 ft
- April 28, 2023: 22.91 ft
- October 12, 2019: 16.77 ft
- June 2, 2019: 19.09 ft
- April 26, 2019: 21.75 ft
- September 29, 2016: 16.87 ft
- April 20, 2014: 16.53 ft
- May 11, 2013: 16.22 ft
- April 18, 2011: 21.32 ft
- October 2, 2010: 19.43 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 during the navigation season, and as needed at other times of the year. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time. 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. Streamflow and the daily record from the U.S. Geological Survey.