Marais Des Cygnes River at La Cygne, KS
River level and flood forecast · Linn County
Normal7.4 ftas of Mon 3:15 PM
The river is 17.6 ft below flood stage (25 ft).
Flow: 1,750 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 36 ft |
| Moderate flood stage | 30 ft |
| Flood stage | 25 ft |
| Action stage | 20 ft |
| Record crest (July 13, 1951) | 36.19 ft |
What floods at each level
From the National Weather Service, highest first.
- 41.3 ftWater reaches the floor of the power plant on the west side of La Cygne.
- 36 ftA levee on the west bank of the river is overtopped. Farmland, homesteads, and secondary roads behind the levee are threatened by flooding.
- 30 ftHighway 152 floods 0.75 miles west of La Cygne. If Middle Creek is also flooding Highway 152, the only route into or out of La Cygne will be the County Road, or 4th Street, leading north from La Cygne.
- 25 ftLow lying farmland and other rural land floods.
Highest crests on record
- 36.19 ft — July 13, 1951
- 36.07 ft — July 2, 2007
- 34.49 ft — September 15, 1961
- 33.72 ft — October 13, 1973
- 33.49 ft — November 4, 1998
Recent crests: 25.48 ft (June 2, 2026) · 27.57 ft (April 28, 2026) · 27.69 ft (March 9, 2026) · 30.5 ft (June 7, 2025) · 25.99 ft (June 11, 2024)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (LCGK1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.