South Fork Chariton River near Promise City, IA

River level and flood forecast · Wayne County

Normal3.3 ftas of Mon 2:45 PM

The river is 21.8 ft below flood stage (25 ft).

Flow: 21 cubic feet per second (USGS).

The last 7 days and the forecast

010203040TueWedThuFriSatSunMonAction 22 ftFlood 25 ftModerate 28 ftMajor 31 ftNowObserved (ft)NWS forecast

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

Flood stages

Major flood stage31 ft
Moderate flood stage28 ft
Flood stage25 ft
Action stage22 ft
Record crest (September 15, 1992)34.84 ft

What floods at each level

From the National Weather Service, highest first.

  • 34.8 ftSeveral area roads are closed.
  • 30 ftWater reaches the top of the guardrail of the 200th St bridge.
  • 28 ftWater reaches the road surface of 200th St bridge.
  • 26 ftThe south approach to the 200th St bridge overflows.
  • 24 ftWater threatens the south approach to the 200th St bridge and nears the underside of the bridge itself.
  • 22 ftWidespread agricultural flooding occurs.
  • 20 ftWater affects agricultural land in close proximity to the river.
  • 18 ftWater flows into nearby agricultural fields.

Highest crests on record

  1. 34.84 ft — September 15, 1992
  2. 29.95 ft — July 4, 1981
  3. 28.41 ft — August 24, 2007
  4. 27.22 ft — April 18, 2013
  5. 25.78 ft — July 25, 2008

Recent crests: 20.75 ft (July 20, 2025) · 21.01 ft (May 3, 2024) · 11.6 ft (February 27, 2023) · 19.13 ft (November 11, 2021) · 13.87 ft (March 27, 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 (PRMI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.