Marais Des Cygnes River near Reading, KS
River level and flood forecast · Lyon County
Normal2.8 ftas of Mon 2:45 PM
The river is 16.2 ft below flood stage (19 ft).
Flow: 26 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sat, Oct 3, 9:28 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 45 ft |
| Moderate flood stage | 21 ft |
| Flood stage | 19 ft |
| Action stage | 14 ft |
| Record crest (May 29, 1982) | 27.47 ft |
What floods at each level
From the National Weather Service, highest first.
- 25.7 ftWater overtops the bridge deck.
- 23 ftOverlow on the right bank is in several swift channels over Road Y 5, 3 miles north of Reading.
- 21 ftCounty Road Y 5 near the gage floods, 3 miles north of Reading.
- 19 ftLow lying areas along the river flood.
Highest crests on record
- 27.47 ft — May 29, 1982
- 26.5 ft — May 17, 1995
- 25.39 ft — May 7, 2007
- 25.33 ft — July 1, 2024
- 25.22 ft — June 27, 1969
Recent crests: 22.22 ft (June 4, 2025) · 19.73 ft (July 4, 2024) · 25.33 ft (July 1, 2024) · 8.37 ft (May 10, 2023) · 21.72 ft (May 18, 2022)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (RDNK1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.