Illinois River at Valley City, IL

River level and flood forecast · Scott County

Normal7.3 ftas of Mon 3:30 PM

The river is 6.7 ft below flood stage (14 ft).

Forecast to fall to 5.1 ft by Mon, Oct 19, 7 AM.

Flow: 27,200 cubic feet per second (USGS).

The last 7 days and the forecast

0510152025TueThuSatMonWedFriSunAction 11 ftFlood 14 ftModerate 21 ftMajor 23 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 9:40 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage23 ft
Moderate flood stage21 ft
Flood stage14 ft
Action stage11 ft
Record crest (May 26, 1943)27 ft

What floods at each level

From the National Weather Service, highest first.

  • 28 ftWarehouse on County Highway 2 (2100W) is flooded. Another house a half mile north of Valley City on County Road 21 is flooded. Also, the U.S. Coast Guard will consider closing the river to all vessels above this height.
  • 24.5 ftCounty Highway 21 flooded 3/4 mile north of Valley City.
  • 24 ftBuildings in Montezuma are flooded.
  • 23.6 ftBuildings and main access roads in Florence are flooded.
  • 23.5 ftMobile home and garage just west of County Highway 21 (Railroad Street) in Valley City is surrounded by water.
  • 23 ftWestfall Antiques and More building is flooded.
  • 22.5 ftBottom of 365th Avenue (gravel road - 2650N) becomes flooded.
  • 21.5 ftCommercial Building is flooded on Railroad Street (or County Highway 21).
  • 14 ftThe road to Norbut Fish and Wildlife area is flooded.
  • 0.9 ftAt and below this height, barge traffic will need to consider lowering tonnage to avoid grounding.

Highest crests on record

  1. 27 ft — May 26, 1943
  2. 26.99 ft — June 4, 2019
  3. 26.85 ft — July 2, 2015
  4. 26.63 ft — April 27, 2013
  5. 26.56 ft — May 30, 1995

Recent crests: 15.38 ft (May 2, 2026) · 15.62 ft (February 6, 2024) · 14.12 ft (November 5, 2021) · 16.1 ft (July 10, 2021) · 14.41 ft (May 25, 2021)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (VALI2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.