Rivers in Illinois

Silver Creek near Mascoutah

St. Clair County, IllinoisNWS MTHI2USGS 05594600St. Charles office

No flood stages set
8.79ftStage

Observed Mon, Sep 21, 12:45 PM CDT

Record crest
20.38 ft2025

Open the live map with the river flood outlook

Flood stages and impacts

  1. 25.40 ftSilver Creek backwater will begin flooding East Drive near Cardinal Creek near this elevation, based on HEC-RAS modeling. THIS HAS NOT BEEN VERIFIED. WSE = 429.8 ft.
  2. 22.90 ftHighway 161 begins flooding 0.5 miles east of the gage across from Mascoutah Lake. This is based off HEC-RAS modeling and HAS NOT BEEN VERIFIED. WSE = 422.9-423.0 ft.
  3. 19.40 ftScott Lake Road floods at Cardinal Creek bridge due to backwater from Silver Creek. This was verified during the 6-7 April 2025 flood with a crest of 20.3 feet. WSE = 425.4 ft.

Crest history

2 crests on NOAA’s list since 2025.

#DateStage
1April 7, 202520.38 ft
2April 23, 202518.57 ft

Most recent crests

  • April 23, 2025: 18.57 ft
  • April 7, 2025: 20.38 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. No forecasts are available for this location

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.