Embarras River (IL) at Ste Marie, IL

River level and flood forecast · Jasper County

Normal0.9 ftas of Mon 2:45 PM

The river is 18.1 ft below flood stage (19 ft).

Flow: 62 cubic feet per second (USGS).

The last 7 days and the forecast

-50510152025TueWedThuFriSatSunMonAction 17 ftFlood 19 ftModerate 20 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage27 ft
Moderate flood stage20 ft
Flood stage19 ft
Action stage17 ft
Record crest (June 7, 2008)28.06 ft

What floods at each level

From the National Weather Service, highest first.

  • 27 ftWater begins to overtop Captain Pond and Ste. Marie Levees.
  • 21 ftWater overtops a few private levees in the Ste. Marie area.
  • 19 ftCounty Highway 9 floods between Ste. Marie and Willow Hill.
  • 16 ftFlooding begins to a secondary road on the east bank near the bridge north of town.

Highest crests on record

  1. 28.06 ft — June 7, 2008
  2. 26.83 ft — December 30, 2015
  3. 26.54 ft — June 30, 1957
  4. 26.36 ft — May 13, 2002
  5. 26.08 ft — May 9, 1961

Recent crests: 18.03 ft (June 24, 2026) · 16.48 ft (May 19, 2026) · 16.98 ft (April 30, 2026) · 16.61 ft (March 6, 2026) · 23.89 ft (April 7, 2025)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (STMI2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.