Lamoille River at Johnson, VT

River level and flood forecast · Lamoille County

Normal2.0 ftas of Mon 11:30 PM

The river is 11.0 ft below flood stage (13 ft).

Forecast to rise to 4.4 ft Wed 2 AM, below the 13 ft flood stage.

Flow: 75 cubic feet per second (USGS).

The last 7 days and the forecast

05101520WedThuFriSatSunMonTueWedThuAction 10 ftFlood 13 ftModerate 14 ftMajor 16 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 11:14 AM. Forecasts change as rain falls and as upstream water arrives.

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Flood stages

Major flood stage16 ft
Moderate flood stage14 ft
Flood stage13 ft
Action stage10 ft
Record crest (November 4, 1927)27 ft

What floods at each level

From the National Weather Service, highest first.

  • 20 ftThere will be severe flooding from Hardwick downstream to Morrisville, Johnson, Jeffersonville and Cambridge with Route 15 closed in several spots. In Johnson, flooding will impact the shopping center on Lower Main Street, mobile homes on Westcom Road and along Main St. and Railroad St. affecting many homes and businesses. The Sewage Treatment Plant will see severe flooding. Homes on East River Rd. will be isolated by flood waters. The Johnson Town Offices and Fire Department will experience high water.
  • 18 ftThere will be major to severe flooding from Hardwick downstream through Morrisville, Johnson, Jeffersonville and Cambridge. The shopping center on lower Main Street in Johnson will flood and high water will overtop flood gates at the Sewage Treatment Plant in town. High water will also impact residences on Lendway Lane and Railroad Street. Water will reach several feet deep over Route 15 in Cambridge.
  • 17 ftThere will be extensive flooding from Hardwick downstream through Morrisville, Johnson, Jeffersonville and Cambridge. The shopping center on lower Main Street in Johnson will flood. High water will impact residences on Lendway Lane and the Sewage Treatment Plant in Johnson. Areas of Route 15 along the Lamoille from Morrisville to Cambridge will be inundated. Homes and businesses along the Lamoille River will likely flood, with water several feet deep over Route 15 in Cambridge.
  • 16.5 ftSerious flooding will occur in Johnson. The shopping center on lower Main Street in Johnson will be inundated, with water entering the post office and stores. High water begins to flood Lendway Lane and will impact the water treatment plant. Route 15 will be flooded in spots from Johnson downstream to Jeffersonville. Route 15 at Wrong Way Bridge in Cambridge will be under several feet of water. Morrisville may experience flooding, including the Morrisville power plant.
  • 15 ftSerious flooding will be seen in Jeffersonville and Cambridge. Water will inundate Route 15 at Wrong Way Bridge in Cambridge.
  • 14 ftWater will cover route 15 at the Wrong Way Bridge in Cambridge, and may cover Routes 108 and 109 in Jeffersonville.
  • 13 ftWater will cover portions of Route 15 in Cambridge at the Wrong Way Bridge. There will be extensive field flooding along the Lamoille from Morrisville to Cambridge.
  • 10 ftWater approaches Route 15 in Cambridge at the Wrong Way Bridge.

Highest crests on record

  1. 27 ft — November 4, 1927
  2. 21.01 ft — July 11, 2023
  3. 19.98 ft — August 6, 1995
  4. 17.82 ft — July 11, 2024
  5. 17.58 ft — December 19, 2023

Recent crests: 17.82 ft (July 11, 2024) · 11.89 ft (March 7, 2024) · 17.58 ft (December 19, 2023) · 21.01 ft (July 11, 2023) · 17.28 ft (November 1, 2019)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (JONV1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.