Des Moines River at Ottumwa, IA

River level and flood forecast · Wapello County

Normal8.9 ftas of Mon 2:50 PM

The river is 4.1 ft below flood stage (13 ft).

Forecast to rise to 10.0 ft Thu 7 AM, below the 13 ft flood stage.

Flow: 25,200 cubic feet per second (USGS).

The last 7 days and the forecast

57.51012.51517.5TueThuSatMonWedFriSunAction 9 ftFlood 13 ftModerate 15 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 8:42 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage19 ft
Moderate flood stage15 ft
Flood stage13 ft
Action stage9 ft
Record crest (July 12, 1993)22.15 ft

What floods at each level

From the National Weather Service, highest first.

  • 25 ftThe City of Ottumwa is protected by a 25 foot levee.
  • 23 ftThe levee opening at the south end of the Market St bridge may need to be planked and sandbagged.
  • 22 ftSandbagging and planking operations may be needed for openings along Vine St.
  • 19.5 ftWater affects the Market St parking lot. The entrance to the Market St bridge is sandbagged.
  • 18.5 ftSewer backup will reach the road surface at Market St and Commercial St.
  • 18 ftWater affects the Fairport area along the railroad tracks. Sandbagging may be needed at the Vine St diversion chamber. Evacuations may begin at the trailer court.
  • 17.5 ftSewer backup in basements occurs at businesses along Main St.
  • 17 ftWater affects Paris St. The Market St bridge is closed.
  • 15 ftFlooding occurs in rural areas both upstream and downstream of Ottumwa.
  • 13 ftWater affects Eldon. Water also affects some secondary roads.
  • 11 ftBear Creek reaches bankfull.
  • 10 ftSome agricultural flooding begins along most of the reach between Ottumwa and Eldon.
  • 9 ftSome agricultural flooding begins primarily downstream of Ottumwa.

Highest crests on record

  1. 22.15 ft — July 12, 1993
  2. 20.97 ft — June 7, 1947
  3. 20.6 ft — June 17, 2008
  4. 20.23 ft — May 31, 1903
  5. 20.04 ft — August 11, 2010

Recent crests: 9.81 ft (August 8, 2025) · 12.32 ft (July 31, 2024) · 10 ft (March 2, 2023) · 8.86 ft (June 9, 2022) · 9.04 ft (February 28, 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 (OTMI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.