South Fork Sangamon River below Rochester - AUX, IL
River level and flood forecast · Sangamon County
Normal4.2 ftas of Mon 2:30 PM
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
- 35.17 ft — December 30, 2015
- 28.69 ft — April 22, 2013
- 28.53 ft — June 25, 2019
- 28 ft — May 5, 2017
- 27.5 ft — January 15, 2020
Recent crests: 18.57 ft (June 25, 2026) · 22.01 ft (May 2, 2026) · 18.18 ft (April 11, 2025) · 19.43 ft (May 26, 2024) · 19.98 ft (April 30, 2024)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (RCSI2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.