Des Moines River at Keosauqua, IA

River level and flood forecast · Van Buren County

Normal17.2 ftas of Mon 3:15 PM

The river is 4.8 ft below flood stage (22 ft).

Forecast to rise to 18.4 ft Thu 1 PM, below the 22 ft flood stage.

Flow: 25,600 cubic feet per second (USGS).

The last 7 days and the forecast

12.51517.52022.52527.5TueThuSatMonWedFriSunAction 21 ftFlood 22 ftModerate 25 ftMajor 27 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 9:07 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage27 ft
Moderate flood stage25 ft
Flood stage22 ft
Action stage21 ft
Record crest (July 13, 1993)32.66 ft

What floods at each level

From the National Weather Service, highest first.

  • 38 ftWater affects nearly all of downtown Keosauqua.
  • 36 ftWater reaches the bottom of the Iowa Highway 1 bridge deck at Keosauqua.
  • 35 ftWater affects much of downtown Keosauqua.
  • 33.5 ftWater reaches the bottom of the County Rd J40 bridge deck at Bonaparte.
  • 33 ftWater reaches a critical level for levees 30 to 50 miles downstream of Keosauqua.
  • 32.5 ftWater is 1 to 2 feet deep in areas of downtown Keosauqua.
  • 30.5 ftWater is at the base of the Hotel Manning in Keosauqua.
  • 30 ftWater affects downtown sections of Keosauqua as well as First Street and the County Road J40 bridge approach in Bonaparte.
  • 29 ftWater affects residential and commercial areas in Bonaparte.
  • 28 ftWater affects streets in Keosauqua and affects the approach to the Highway 1 bridge. Water also affects residential areas in Farmington and Bentonsport.
  • 27 ftWater is over the river banks in Selma, Keosauqua, Bentonsport, Bonaparte, and Farmington.
  • 25 ftFlooding occurs in Keosauqua, Selma, Bonaparte, and Farmington. Water affects streets near the nursery on the east end of Keosauqua.
  • 22 ftWater affects low-lying agricultural areas.

Highest crests on record

  1. 32.66 ft — July 13, 1993
  2. 30.49 ft — June 16, 2008
  3. 28.18 ft — August 12, 2010
  4. 28.02 ft — April 21, 1973
  5. 27.88 ft — May 29, 2019

Recent crests: 19.63 ft (June 10, 2020) · 27.88 ft (May 29, 2019) · 19.11 ft (September 6, 2018) · 21.29 ft (April 6, 2017) · 22.81 ft (December 14, 2015)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (KEQI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.