Passumpsic River at Passumpsic, VT
River level and flood forecast · Caledonia County
The river is 12.1 ft below flood stage (14 ft).
Forecast to rise to 5.3 ft Wed 8 AM, below the 14 ft flood stage.
Flow: 115 cubic feet per second (USGS).
Much lower than normal for October 13.
Usual for October 13: 204 to 532 cubic feet per second (the middle half of 98 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.
Get flood alerts for this river
An email when the National Weather Service forecasts Passumpsic River at Passumpsic to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 19 ft |
| Moderate flood stage | 15 ft |
| Flood stage | 14 ft |
| Action stage | 12 ft |
| Record crest (November 4, 1927) | 31.5 ft |
What floods at each level
From the National Weather Service, highest first.
- 22 ftArea towns, such as East Burke, West Burke, Lyndonville and St. Johnsbury will be isolated by flooded roads. Flooding will be similar to what was seen in July 2024 and in July 1973.
- 19 ftWidespread flooding will occur in Lyndonville and Saint Johnsbury Center. Homes and businesses on Route 5 along the Passumpsic from Lyndonville to Saint Johnsbury will be inundated. Flooding may also occur upstream along Joes Brook. Flooding will be similar to April 16 2014 and May 26 2011.
- 17 ftRoute 5 floods on both north and south sides of Lyndonville, as well as at the Center Street Bridge, with homes and businesses along the Passumpsic taking on water. Significant flooding occurs on Route 5 and Old Center Road in Saint Johnsbury center. Flooding may also occur upstream along the Sleepers river in Saint Johnsbury. Flooding will be similar to Irene in 2011.
- 15 ftRoute 5 will flood In St. Johnsbury center.
- 14 ftLow lying trailer homes near the river will see some minor flooding.
Highest crests on record
- 31.5 ft — November 4, 1927
- 23.49 ft — July 1, 1973
- 21.3 ft — July 11, 2024
- 21.23 ft — March 18, 1936
- 19.28 ft — June 13, 2002
Recent crests: 16.4 ft (July 30, 2024) · 21.3 ft (July 11, 2024) · 16.29 ft (December 19, 2023) · 13.67 ft (July 11, 2023) · 17.25 ft (April 21, 2019)
Highest flow on record
18,200 cubic feet per second — July 1, 1973. From the USGS's yearly peaks since 1929.
Up and down the river, and nearby
- UpstreamEast Branch of the Passumpsic River at East Haven, VT
- DownstreamConnecticut River at Wells River, VT
- Sleepers River near St. Johnsbury, VT
- Pope Brook (VT) near North Danville, VT
- Moose River at Victory, VT
- Winooski River at Lower Cabot, VT, VT
- Wells River at Wells River, VT
- Connecticut River at Dalton, NH
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (PASV1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.