Stranger Creek near Tonganoxie, KS

River level and flood forecast · Leavenworth County

Normal2.5 ftas of Mon 2:30 PM

The river is 20.5 ft below flood stage (23 ft).

Flow: 70 cubic feet per second (USGS).

The last 7 days and the forecast

-10010203040TueWedThuFriSatSunMonAction 18 ftFlood 23 ftModerate 30 ftMajor 35 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Oct 4, 9:39 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage35 ft
Moderate flood stage30 ft
Flood stage23 ft
Action stage18 ft
Record crest (September 13, 1977)29.88 ft

What floods at each level

From the National Weather Service, highest first.

  • 34.7 ftWater overtops the Highway 40 bridge.
  • 29.6 ftThe west approach to the Highway 40 bridge is under water.
  • 29.2 ftWater reaches the bottom of the Highway 40 bridge.
  • 25 ftCounty Highway 6 floods about 3 miles east of Tonganoxie.
  • 23 ftLow-lying farmland along the creek floods.

Highest crests on record

  1. 29.88 ft — September 13, 1977
  2. 29.81 ft — June 21, 2001
  3. 29.7 ft — October 13, 1961
  4. 29.36 ft — October 2, 2005
  5. 28.52 ft — June 10, 1982

Recent crests: 23.92 ft (May 21, 2021) · 24.53 ft (May 28, 2020) · 24.78 ft (June 24, 2019) · 23.28 ft (May 21, 2019) · 23.31 ft (August 22, 2017)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (TNGK1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.