Rivers in Illinois

Kaskaskia River below Carlyle Dam Tailwater

Clinton County, IllinoisNWS CRLI2USGS 05593000St. Charles office

Below flood stage
412.80ftStage

Observed Wed, Sep 23, 8:00 AM CDT

Flood stage
423.50 ft
Record crest
428.20 ft1970

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood435.00 ft
Moderate flood431.00 ft
Minor flood423.50 ft
Action421.50 ft
  1. 436.69 ftThis is the RECORD FLOOD LEVEL that was reached on May 21 1943.
  2. 436.00 ftHeimann levee is overtopped.
  3. 435.00 ftMajor flooding begins. Santa Fe, Hanover, and Germantown levees begin overtopping.
  4. 430.00 ftModerate flooding begins. Residential flooding in Bartelso and backwater begins to flood Germantown sanitary sewage facilities.
  5. 424.50 ftSome cabins just below the dam are inundated.
  6. 423.50 ftFLOOD STAGE. Rural damage begins. Township roads in Covington become inundated.
  7. 421.00 ftLeft bank in vicinity of the gage overflows with minor flooding of park lands.

Crest history

44 crests on NOAA’s list since 1966.

#DateStage
1May 10, 1970428.20 ft
2December 15, 1966428.20 ft
3February 20, 1969427.70 ft
4June 7, 2002427.21 ft
5April 15, 1979427.00 ft
6January 28, 1993426.40 ft
7April 10, 1998426.31 ft
8January 4, 2010426.29 ft
9February 7, 2019426.27 ft
10January 18, 2005426.26 ft
11January 18, 2020426.17 ft
12April 17, 2025426.16 ft
13March 14, 2011426.16 ft
14April 27, 2013426.12 ft
15May 4, 2013426.11 ft
16April 18, 2008426.06 ft
17April 14, 2018426.04 ft
18May 10, 2017426.03 ft
19January 7, 2016426.01 ft
20March 26, 2021425.99 ft
21February 17, 2020425.96 ft
22February 3, 1999425.79 ft
23February 16, 2001425.77 ft
24April 11, 2009425.57 ft
25January 8, 2004425.50 ft

Most recent crests

  • April 17, 2025: 426.16 ft
  • March 26, 2021: 425.99 ft
  • April 6, 2020: 424.02 ft
  • February 17, 2020: 425.96 ft
  • January 18, 2020: 426.17 ft
  • February 7, 2019: 426.27 ft
  • April 14, 2018: 426.04 ft
  • May 10, 2017: 426.03 ft
  • January 7, 2016: 426.01 ft
  • March 28, 2015: 424.45 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the North Central River Forecast Center. Forecasts are not available. Only observed stages are available for this point. 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.