Rivers in Illinois

Sangamon River near Chandlerville

Cass County, IllinoisNWS CDLI2Lincoln office

Below flood stage
444.57ftStage

Observed Sun, Sep 20, 10:00 AM CDT

Flood stage
456.60 ft
Record crest
463.20 ft2016

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood462.00 ft
Moderate flood459.00 ft
Minor flood456.60 ft
Action454.00 ft
  1. 466.90 ftWater overtops the Old River Levee.
  2. 463.90 ftWater overtops the Chandlerville City Levee.
  3. 461.50 ftWater overtops the Bell Levee.
  4. 461.00 ftWater overtops the South Sangamon West Levee at the pump station.
  5. 459.90 ftFlooding begins to impact some residences in Chandlerville.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding15%
Moderate flooding8%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.

Crest history

49 crests on NOAA’s list since 2002.

#DateStage
1January 2, 2016463.20 ft
2May 16, 2002462.70 ft
3May 5, 2019461.07 ft
4June 11, 2008461.03 ft
5November 2, 2009460.30 ft
6May 21, 2020460.23 ft
7June 30, 2015459.81 ft
8January 26, 2024459.75 ft
9July 14, 2015459.71 ft
10June 30, 2021459.60 ft
11April 24, 2013459.57 ft
12May 2, 2020459.52 ft
13June 26, 2010459.15 ft
14May 19, 2009458.87 ft
15September 18, 2008458.71 ft
16February 8, 2008458.70 ft
17December 28, 2009458.65 ft
18November 22, 2009458.54 ft
19May 7, 2017458.45 ft
20June 26, 2019458.23 ft
21January 16, 2020457.86 ft
22April 28, 2011457.40 ft
23February 23, 2014457.32 ft
24December 31, 2008457.22 ft
25January 5, 2010457.10 ft

Most recent crests

  • August 18, 2026: 453.91 ft
  • June 19, 2026: 456.06 ft
  • June 13, 2026: 454.81 ft
  • April 29, 2026: 455.75 ft
  • May 1, 2024: 456.28 ft
  • January 26, 2024: 459.75 ft
  • May 11, 2023: 453.92 ft
  • March 6, 2023: 454.91 ft
  • May 8, 2022: 453.89 ft
  • April 1, 2022: 455.61 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.