Sangamon River near Springfield, IL

River level and flood forecast · Sangamon County

Normal21.2 ftas of Mon 1:15 PM

The last 7 days and the forecast

2121.121.221.321.421.5TueWedThuFriSatSunMonNowObserved (ft)NWS forecast

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

What floods at each level

From the National Weather Service, highest first.

  • 42 ftWater over road on Business 55 near Riverside Park entrance.
  • 35 ftRiverside Park is inundated.

Highest crests on record

  1. 45.41 ft — December 31, 2015
  2. 40.92 ft — April 22, 2013
  3. 39.58 ft — May 6, 2017
  4. 39.57 ft — June 24, 2019
  5. 39.32 ft — June 25, 2010

Recent crests: 31.16 ft (August 23, 2026) · 33.85 ft (June 23, 2026) · 31.8 ft (June 13, 2026) · 34.36 ft (April 30, 2026) · 29.01 ft (June 6, 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 (SRSI2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.