Rivers in Illinois
Mississippi River at Gladstone
Below flood stage
7.47ftStage
Observed Sun, Sep 27, 10:30 AM CDT
- Flood stage
- 10.00 ft
- Forecast crest
- 7.50 ftSun, Sep 27, 1:00 PM CDT
- Record crest
- 22.46 ft2008
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 14.00 ft |
| Moderate flood | 12.00 ft |
| Minor flood | 10.00 ft |
| Action | 9.00 ft |
- 17.00 ftWater reaches the tops of the levees at the Henderson Drainage District.
- 15.00 ftLock and Dam 18 is closed.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 13% |
| Moderate flooding | 7% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 25, 2026.
Crest history
66 crests on NOAA’s list since 1938.
| # | Date | Stage |
|---|---|---|
| 1 | June 17, 2008 | 22.46 ft |
| 2 | July 10, 1993 | 21.54 ft |
| 3 | June 2, 2019 | 20.59 ft |
| 4 | July 5, 2014 | 19.77 ft |
| 5 | May 3, 2019 | 19.67 ft |
| 6 | April 22, 2013 | 18.00 ft |
| 7 | May 12, 2001 | 17.65 ft |
| 8 | April 25, 1973 | 17.40 ft |
| 9 | April 27, 1965 | 17.10 ft |
| 10 | May 2, 2008 | 17.04 ft |
| 11 | July 12, 2024 | 16.32 ft |
| 12 | April 10, 2019 | 16.30 ft |
| 13 | April 24, 2011 | 16.06 ft |
| 14 | May 4, 2023 | 15.93 ft |
| 15 | October 6, 1986 | 14.72 ft |
| 16 | April 21, 1997 | 14.65 ft |
| 17 | April 29, 1951 | 14.56 ft |
| 18 | April 26, 1969 | 14.52 ft |
| 19 | May 9, 1975 | 14.48 ft |
| 20 | April 4, 1960 | 14.46 ft |
| 21 | June 26, 1974 | 14.41 ft |
| 22 | April 29, 1952 | 14.23 ft |
| 23 | September 10, 2018 | 14.23 ft |
| 24 | April 6, 1979 | 14.08 ft |
| 25 | September 30, 2016 | 13.74 ft |
Most recent crests
- April 24, 2026: 13.01 ft
- July 12, 2024: 16.32 ft
- June 3, 2024: 11.80 ft
- May 4, 2023: 15.93 ft
- June 30, 2020: 10.63 ft
- June 7, 2020: 11.06 ft
- June 2, 2019: 20.59 ft
- May 3, 2019: 19.67 ft
- April 10, 2019: 16.30 ft
- September 10, 2018: 14.23 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.