Rivers in Illinois

La Moine River at Ripley

Brown County, IllinoisNWS RIPI2USGS 05585000St. Charles office

Below flood stage
5.82ftStage

Observed Tue, Sep 22, 1:45 AM CDT

Flood stage
22.00 ft
Record crest
32.59 ft2013

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood27.00 ft
Moderate flood23.00 ft
Minor flood22.00 ft
Action18.00 ft
  1. 29.50 ftIllinois State Highway 103 just east of the U.S. Highway 24 intersection begins flooding near this height.
  2. 28.00 ftIllinois State Highway 103 just east of the U.S. Highway 24 intersection begins flooding near this height.
  3. 26.00 ftExtensive pasture flooding downstream of the gauge along Highway 103 east of U.S. Highway 24.
  4. 24.50 ftCounty Road 1600E (Levy Road) is closed just west of LaGrange Lock Road.
  5. 24.00 ftTownship road, downstream of the gage on the right bank, begins to flood.
  6. 23.00 ftModerate flooding begins. Extensive cropland is flooded below the gauge near the LaGrange Lock Road bridge.
  7. 22.00 ftFLOOD STAGE. Farmland flooding and rural damages begin.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding23%
Moderate flooding23%
Major flooding11%

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

Crest history

112 crests on NOAA’s list since 1921.

#DateStage
1April 21, 201332.59 ft
2May 18, 199529.15 ft
3March 7, 198529.07 ft
4May 8, 199629.07 ft
5June 23, 199028.96 ft
6November 19, 198528.63 ft
7September 27, 197028.42 ft
8May 15, 200228.41 ft
9October 7, 198628.10 ft
10September 26, 196127.43 ft
11December 5, 198227.27 ft
12July 28, 199326.98 ft
13July 10, 196926.96 ft
14May 19, 200926.80 ft
15June 6, 198026.74 ft
16June 27, 201526.57 ft
17June 22, 201026.45 ft
18September 15, 200826.43 ft
19May 20, 198426.27 ft
20July 8, 198126.22 ft
21April 25, 194426.03 ft
22June 8, 194725.98 ft
23April 1, 196025.87 ft
24July 13, 201525.82 ft
25December 29, 201525.81 ft

Most recent crests

  • May 3, 2024: 24.83 ft
  • June 5, 2022: 22.46 ft
  • October 25, 2021: 22.59 ft
  • May 23, 2021: 23.17 ft
  • April 15, 2021: 22.52 ft
  • March 19, 2021: 23.67 ft
  • April 26, 2020: 22.22 ft
  • June 25, 2019: 23.86 ft
  • June 1, 2019: 25.58 ft
  • May 21, 2017: 23.37 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. 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.