Lake Fork (Central IL) near Cornland, IL
River level and flood forecast · Logan County
Normal3.3 ftas of Mon 2:30 PM
Flow: 8 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Highest crests on record
- 23.4 ft — May 27, 1943
- 23.11 ft — April 12, 1979
- 22.53 ft — June 23, 1974
- 22.43 ft — December 4, 1982
- 21.67 ft — May 6, 1991
Recent crests: 13.47 ft (June 21, 2026) · 15.4 ft (June 18, 2026) · 10.63 ft (June 12, 2026) · 15.72 ft (April 28, 2026) · 10.11 ft (June 5, 2024)
Up and down the river, and nearby
- Sangamon River at Riverton, IL
- Sangamon River near Springfield, IL
- Sugar Creek (W-Central IL) near Springfield, IL
- South Fork Sangamon River below Rochester - AUX, IL
- South Fork Sangamon River near Rochester, IL
- Spring Creek (IL) at Springfield, IL
- Salt Creek (IL) near Rowell, IL
- Salt Creek (IL) near Greenview, IL
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CLFI2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.