Rivers in Illinois
Sangamon River near Oakford
Below flood stage
456.75ftStage
Observed Tue, Sep 22, 1:45 PM CDT
- Flood stage
- 471.00 ft
- Record crest
- 478.51 ft1943
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 478.50 ft |
| Moderate flood | 472.90 ft |
| Minor flood | 471.00 ft |
| Action | 469.00 ft |
- 476.90 ftWater reaches the top of Mason, Menard Special, and Oakford levees.
- 476.30 ftWater overtops the South Sangamon East Levee.
- 471.00 ftFlooding begins to agricultural areas not protected by levees.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 11% |
| Moderate flooding | 7% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.
Crest history
122 crests on NOAA’s list since 1910.
| # | Date | Stage |
|---|---|---|
| 1 | May 20, 1943 | 478.51 ft |
| 2 | January 1, 2016 | 477.67 ft |
| 3 | May 15, 2002 | 476.73 ft |
| 4 | December 5, 1982 | 476.53 ft |
| 5 | April 15, 1994 | 476.09 ft |
| 6 | April 15, 1979 | 475.44 ft |
| 7 | January 15, 2005 | 475.02 ft |
| 8 | June 25, 1974 | 474.64 ft |
| 9 | October 4, 1926 | 474.48 ft |
| 10 | April 25, 1973 | 474.46 ft |
| 11 | May 4, 2019 | 474.44 ft |
| 12 | June 11, 2008 | 474.17 ft |
| 13 | November 2, 2009 | 473.98 ft |
| 14 | April 26, 1944 | 473.80 ft |
| 15 | March 16, 1939 | 473.78 ft |
| 16 | May 20, 1995 | 473.56 ft |
| 17 | May 3, 1970 | 473.55 ft |
| 18 | January 25, 2024 | 473.49 ft |
| 19 | May 20, 2020 | 473.49 ft |
| 20 | July 1, 1951 | 473.48 ft |
| 21 | October 4, 1911 | 473.48 ft |
| 22 | August 6, 1981 | 473.26 ft |
| 23 | February 7, 1968 | 473.12 ft |
| 24 | July 13, 2015 | 473.07 ft |
| 25 | February 14, 1959 | 473.04 ft |
Most recent crests
- April 30, 2024: 468.26 ft
- January 25, 2024: 473.49 ft
- February 23, 2022: 468.70 ft
- July 18, 2021: 469.58 ft
- June 30, 2021: 472.67 ft
- May 20, 2020: 473.49 ft
- May 2, 2020: 472.43 ft
- January 16, 2020: 470.48 ft
- June 25, 2019: 471.05 ft
- May 4, 2019: 474.44 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the North Central River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. 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.
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.