Chemung River at Chemung, NY
River level and flood forecast · Chemung County
The river is 13.0 ft below flood stage (16 ft).
Forecast to hold near 3.0 ft through Thu, Oct 15, 2 PM.
Flow: 429 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 2:48 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 24 ft |
| Moderate flood stage | 20 ft |
| Flood stage | 16 ft |
| Action stage | 12 ft |
| Record crest (June 23, 1972) | 31.62 ft |
What floods at each level
From the National Weather Service, highest first.
- 25.8 ftWater reaches the underside of the bridge on Route 427.
- 24 ftMajor road and railroad damages occur due to backwater and flooding. In the past there has been 2 feet of water in the business section of Wellsburg.
- 23 ftMajor flooding begins.
- 20 ftModerate flooding begins. The bridges at Wellsburg and Wilawanna are closed.
- 16 ftFlood stage where minor flooding begins. Water reaches Route 427 upstream of the Chemung river gage.
Highest crests on record
- 31.62 ft — June 23, 1972
- 24.1 ft — September 27, 1975
- 23.97 ft — May 28, 1946
- 20.44 ft — March 6, 1964
- 20.13 ft — October 15, 1955
Recent crests: 16.8 ft (October 31, 2021) · 16.63 ft (March 15, 2007) · 17.4 ft (April 3, 2005) · 18.45 ft (September 18, 2004) · 16.05 ft (September 10, 2004)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CMGN6); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.