Connecticut River at West Lebanon, NH
River level and flood forecast · Grafton County
The river is 19.0 ft below flood stage (23 ft).
Forecast to rise to 6.4 ft Tue 8 PM, below the 23 ft flood stage.
Flow: 1,030 cubic feet per second (USGS).
Much lower than normal for October 13.
Usual for October 13: 2,230 to 4,960 cubic feet per second (the middle half of 114 years).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 11:14 AM. Forecasts change as rain falls and as upstream water arrives.
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An email when the National Weather Service forecasts Connecticut River at West Lebanon to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 29 ft |
| Moderate flood stage | 27 ft |
| Flood stage | 23 ft |
| Action stage | 20 ft |
| Record crest (November 4, 1927) | 35 ft |
What floods at each level
From the National Weather Service, highest first.
- 30 ftIn White River Junction, Vermont, flooding occurs at Ratcliffe Park, Nutt Lane, and Harrison Avenue. Portions of Latham Works Lane are flooded.
- 29 ftIn West Lebanon, North Country Plaza is flooded. Stores in Upper Valley Plaza have up to 5 ft of water. Water approaches apartments on Romano Place and Romano Circle. Route 12A is flooded with 1 to 3 feet of water. In White River Junction, Vermont, flooding occurs at Ratcliffe Park, Nutt Lane, and Harrison Avenue. Portions of Latham Works Lane are flooded. Inundation comparable to flooding from Tropical Storm Irene in 2011.
- 27 ftWater floods Market Street at the entrance to the West Lebanon Wastewater Treatment Plant. Water depth reaches up to 2 feet on Route 12A near Walmart.
- 25 ftRoute 12A begins to flood near the Walmart in West Lebanon, NH, and water begins entering the stores closest to the river in the Upper Valley Plaza. In White River Junction, VT, water begins to enter Ratcliffe Park.
- 24 ftFloodwaters encroach on businesses off Main Street in Lebanon.
- 23 ftWater begins entering the parking lot of the shopping plaza near the Interstate 89 bridge in West Lebanon.
Highest crests on record
- 35 ft — November 4, 1927
- 32.6 ft — March 19, 1936
- 30 ft — March 27, 1913
- 29.66 ft — August 29, 2011
- 27 ft — April 12, 1922
Recent crests: 20.93 ft (December 19, 2023) · 22.93 ft (July 11, 2023) · 22.22 ft (April 15, 2019) · 29.66 ft (August 29, 2011) · 18.74 ft (October 29, 2003)
Highest flow on record
136,000 cubic feet per second — November 4, 1927. From the USGS's yearly peaks since 1912.
Up and down the river, and nearby
- UpstreamConnecticut River at Wells River, VT
- DownstreamConnecticut River at North Walpole, NH
- Ottauquechee River at North Hartland, VT
- White River at West Hartford, VT
- Ompompanoosuc River at Union Village Dam, VT
- Sugar River (NH) at West Claremont, NH
- Ottauquechee River near West Bridgewater, VT
- Black River at North Springfield, VT, VT
- Cockermouth River at Groton, NH
- Baker River at Rumney, NH
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (WLBN3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.