Rivers in Illinois
Mississippi River at Fulton
Below flood stage
9.49ftStage
Observed Wed, Sep 23, 8:00 AM CDT
- Flood stage
- 16.00 ft
- Forecast crest
- 9.40 ftWed, Sep 23, 1:00 PM CDT
- Record crest
- 24.75 ft1965
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 20.00 ft |
| Moderate flood | 18.00 ft |
| Minor flood | 16.00 ft |
| Action | 15.00 ft |
- 25.00 ftWater affects the U.S. Highway 52 causeway near Sabula.
- 23.00 ftWater affects the railroad tracks and into some businesses in Savanna.
- 22.00 ftWater affects Driscolls Island.
- 21.00 ftBasement flooding occurs in homes and businesses in Savanna with seepage into yards. Water also affects grain elevators and affects the lower portion of the Marquette Park parking lot. In Sabula, water affects Vulan and South Broad Streets.
- 20.00 ftWater seeps into a few back yards in Savanna. Water seeps into yards on Peal and Broad Streets in Sabula.
- 19.00 ftAt Sabula, which is 18 feet on the local gage, water affects South Avenue at the levee and the lowest section of Lake Street.
- 18.98 ftLock and Dam 13 is closed.
- 18.00 ftWater affects businesses on Sabulas North River Drive.
- 17.40 ftThe Causeway officially closes at 17.4 feet. This is when the water goes over the causeway road, entering Thompson Causeway Recreation Area and Campground.
- 16.00 ftWater affects a few houses at Thomson.
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
42 crests on NOAA’s list since 1938.
| # | Date | Stage |
|---|---|---|
| 1 | April 28, 1965 | 24.75 ft |
| 2 | April 24, 2001 | 23.31 ft |
| 3 | July 8, 1993 | 22.17 ft |
| 4 | April 30, 2023 | 22.06 ft |
| 5 | April 30, 2019 | 21.77 ft |
| 6 | April 26, 1969 | 21.37 ft |
| 7 | April 27, 1952 | 21.23 ft |
| 8 | April 21, 2011 | 21.06 ft |
| 9 | April 26, 1951 | 21.00 ft |
| 10 | April 8, 2019 | 20.91 ft |
| 11 | April 19, 1997 | 20.72 ft |
| 12 | May 7, 1975 | 20.35 ft |
| 13 | July 8, 2024 | 20.06 ft |
| 14 | March 25, 1973 | 19.95 ft |
| 15 | April 15, 1967 | 19.86 ft |
| 16 | June 5, 2019 | 19.83 ft |
| 17 | October 6, 1986 | 19.66 ft |
| 18 | July 3, 2014 | 19.27 ft |
| 19 | June 16, 2008 | 19.08 ft |
| 20 | April 28, 2008 | 18.63 ft |
| 21 | June 29, 1944 | 18.51 ft |
| 22 | September 22, 1938 | 18.40 ft |
| 23 | May 14, 1954 | 18.18 ft |
| 24 | March 19, 1983 | 18.06 ft |
| 25 | June 13, 1942 | 18.00 ft |
Most recent crests
- July 8, 2024: 20.06 ft
- April 30, 2023: 22.06 ft
- June 5, 2019: 19.83 ft
- April 30, 2019: 21.77 ft
- April 8, 2019: 20.91 ft
- May 10, 2018: 17.61 ft
- May 31, 2017: 16.69 ft
- September 30, 2016: 15.93 ft
- June 16, 2015: 12.03 ft
- July 3, 2014: 19.27 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. Streamflow and the daily record from the U.S. Geological Survey.