Sangamon River at Monticello
Observed Mon, Sep 21, 5:00 PM CDT
- Flood stage
- 13.00 ft
- Record crest
- 19.06 ft1994
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 20.00 ft |
| Moderate flood | 17.00 ft |
| Minor flood | 13.00 ft |
| Action | 11.00 ft |
- 20.00 ftDamage begins in Monticello.
- 13.00 ftFlooding of agricultural areas begins.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 45% |
| 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
208 crests on NOAA’s list since 1908.
| # | Date | Stage |
|---|---|---|
| 1 | April 13, 1994 | 19.06 ft |
| 2 | June 4, 2008 | 18.79 ft |
| 3 | December 29, 2015 | 18.56 ft |
| 4 | May 16, 1968 | 18.55 ft |
| 5 | October 4, 1926 | 18.50 ft |
| 6 | February 6, 2008 | 17.88 ft |
| 7 | January 15, 2005 | 17.77 ft |
| 8 | December 31, 1990 | 17.71 ft |
| 9 | March 25, 1913 | 17.70 ft |
| 10 | May 18, 1943 | 17.67 ft |
| 11 | February 10, 1959 | 17.49 ft |
| 12 | May 8, 1961 | 17.40 ft |
| 13 | August 18, 2026 | 17.37 ft |
| 14 | November 21, 1985 | 17.31 ft |
| 15 | March 6, 1979 | 17.27 ft |
| 16 | January 10, 2008 | 17.25 ft |
| 17 | May 16, 1990 | 17.09 ft |
| 18 | April 22, 1964 | 16.76 ft |
| 19 | July 15, 2014 | 16.72 ft |
| 20 | May 29, 1956 | 16.56 ft |
| 21 | October 27, 2021 | 16.51 ft |
| 22 | February 23, 2018 | 16.49 ft |
| 23 | April 19, 2013 | 16.49 ft |
| 24 | June 5, 1980 | 16.42 ft |
| 25 | June 26, 2013 | 16.38 ft |
Most recent crests
- August 18, 2026: 17.37 ft
- July 12, 2026: 10.94 ft
- July 5, 2026: 10.45 ft
- July 1, 2026: 10.94 ft
- June 21, 2026: 14.70 ft
- April 30, 2026: 10.59 ft
- June 8, 2025: 10.57 ft
- April 8, 2025: 12.93 ft
- January 2, 2025: 10.14 ft
- June 6, 2024: 11.35 ft
Nearby
Upstream, downstream and the gauges around this one.
- DownstreamSangamon River at Riverton
- Salt Creek (IL) at Farmer City
- Copper Slough at Champaign
- Lake Fork (E-IL) at Atwood
- North Fork Salt Creek (IL) at De Witt
- Boneyard Creek at Champaign - 6th St
- Boneyard Creek at Urbana - University of Illinois
- Kaskaskia River at Ficklin
- Boneyard Creek at Urbana - Lincoln Ave.
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. Gauge readings unavailable - awaiting repair.
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.