Kansas River at Wamego, KS

River level and flood forecast · Pottawatomie County

Normal9.8 ftas of Mon 2:30 PM

The river is 9.2 ft below flood stage (19 ft).

Forecast to fall to 8.5 ft by Sat, Oct 17, 7 AM.

Flow: 15,800 cubic feet per second (USGS).

The last 7 days and the forecast

051015202530TueThuSatMonWedFriAction 15 ftFlood 19 ftModerate 26 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 9:24 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage38 ft
Moderate flood stage26 ft
Flood stage19 ft
Action stage15 ft
Record crest (July 13, 1951)30.56 ft

What floods at each level

From the National Weather Service, highest first.

  • 26 ftHighway K 99 south of the Kansas River floods if the levees fail.
  • 19 ftLow lying areas near the river flood from Manhattan to Belvue.

Highest crests on record

  1. 30.56 ft — July 13, 1951
  2. 29.3 ft — May 30, 1903
  3. 27.33 ft — July 26, 1993
  4. 26.79 ft — June 4, 1935
  5. 26 ft — June 11, 1908

Recent crests: 5.55 ft (May 16, 2023) · 10.05 ft (May 31, 2022) · 12.24 ft (May 28, 2021) · 12.15 ft (August 11, 2020) · 17.85 ft (June 1, 2019)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (WMGK1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.