Spoon River (W-IL) at London Mills, IL
River level and flood forecast · Fulton County
Normal4.8 ftas of Mon 3:45 PM
The river is 10.2 ft below flood stage (15 ft).
Flow: 832 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sat, Oct 3, 10:21 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 24 ft |
| Moderate flood stage | 21 ft |
| Flood stage | 15 ft |
| Action stage | 13 ft |
| Record crest (June 23, 1974) | 28.03 ft |
What floods at each level
From the National Weather Service, highest first.
- 27.7 ftLondon Mills levee overtops.
- 24 ftIllinois Route 116 is inundated.
- 15 ftMinor flooding begins to agricultural land near the river.
Highest crests on record
- 28.03 ft — June 23, 1974
- 26.18 ft — April 19, 2013
- 25.92 ft — July 25, 1993
- 25.28 ft — May 16, 2009
- 25.15 ft — March 4, 1985
Recent crests: 19.15 ft (August 16, 2026) · 17.27 ft (June 22, 2026) · 15.62 ft (June 18, 2026) · 16.55 ft (June 12, 2026) · 14.57 ft (April 18, 2026)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (LNMI2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.