Rivers in Illinois

Kishwaukee River at Marengo

McHenry County, IllinoisNWS MRGI2USGS 05438170Romeoville office

Below flood stage
10.42ftStage

Observed Tue, Sep 22, 12:15 AM CDT

Flood stage
12.00 ft
Record crest
13.31 ft1972

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Minor flood12.00 ft
Action11.50 ft
  1. 16.00 ftResidences threatened along Woodbine Lane in Marengo.
  2. 14.00 ftMarengo Water Treatment Facility property threatened. Deerpass Road threatened north of Marengo.
  3. 13.50 ftIL-23 (State Street) threatened in Marengo.
  4. 12.00 ftBoone-McHenry County Line Road is threatened.

Crest history

24 crests on NOAA’s list since 1970.

#DateStage
1September 18, 197213.31 ft
2September 4, 201813.06 ft
3July 3, 197812.83 ft
4April 11, 201312.67 ft
5May 18, 202012.52 ft
6March 19, 197912.52 ft
7July 24, 201712.34 ft
8February 19, 197112.26 ft
9May 17, 197412.19 ft
10July 6, 202212.19 ft
11February 21, 201812.12 ft
12April 22, 197311.89 ft
13June 27, 201811.86 ft
14September 14, 201911.77 ft
15March 5, 197611.60 ft
16March 13, 201911.52 ft
17April 30, 202011.51 ft
18April 3, 202411.50 ft
19July 18, 201511.36 ft
20February 24, 201911.30 ft
21June 3, 197011.26 ft
22March 18, 197511.13 ft
23November 28, 201511.01 ft
24March 16, 201410.64 ft

Most recent crests

  • April 3, 2024: 11.50 ft
  • July 6, 2022: 12.19 ft
  • May 18, 2020: 12.52 ft
  • April 30, 2020: 11.51 ft
  • September 14, 2019: 11.77 ft
  • March 13, 2019: 11.52 ft
  • February 24, 2019: 11.30 ft
  • September 4, 2018: 13.06 ft
  • June 27, 2018: 11.86 ft
  • February 21, 2018: 12.12 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.

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.