Rivers in Illinois

Salt Creek (IL) near Greenview

Mason County, IllinoisNWS GREI2USGS 05582000Lincoln office

Below flood stage
1.32ftStage

Observed Mon, Sep 21, 11:45 PM CDT

Flood stage
16.00 ft
Record crest
20.50 ft1943

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood20.00 ft
Moderate flood17.00 ft
Minor flood16.00 ft
Action14.00 ft
  1. 16.00 ftWidespread agricultural flooding is in progress.
  2. 13.00 ftWater begins to overflow banks into wooded and agricultural areas.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding11%
Moderate flooding7%
Major floodingUnder 5%

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

Crest history

87 crests on NOAA’s list since 1942.

#DateStage
1May 19, 194320.50 ft
2December 4, 198220.21 ft
3June 24, 197419.81 ft
4April 13, 197918.90 ft
5June 29, 202118.17 ft
6March 5, 197918.03 ft
7November 24, 198518.00 ft
8January 14, 200517.91 ft
9April 25, 197317.82 ft
10August 17, 198117.63 ft
11May 10, 196117.47 ft
12December 30, 201517.40 ft
13April 25, 194417.38 ft
14May 19, 199517.28 ft
15February 8, 194217.20 ft
16August 5, 198117.10 ft
17February 14, 195917.08 ft
18January 6, 199317.01 ft
19May 3, 201916.99 ft
20November 1, 200916.85 ft
21May 8, 197716.79 ft
22July 13, 201516.78 ft
23February 24, 198516.66 ft
24April 30, 195716.65 ft
25February 20, 195116.60 ft

Most recent crests

  • June 29, 2021: 18.17 ft
  • May 19, 2020: 15.17 ft
  • April 27, 2020: 16.27 ft
  • May 3, 2019: 16.99 ft
  • March 28, 2019: 8.05 ft
  • May 1, 2017: 11.60 ft
  • December 30, 2015: 17.40 ft
  • July 13, 2015: 16.78 ft
  • June 10, 2015: 14.28 ft
  • February 22, 2014: 14.58 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. Streamflow and the daily record from the U.S. Geological Survey.