Connecticut River at Montague, MA

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.

Flood stages

What floods at each level

From the National Weather Service, highest first.

• 44 ftThis is a dangerous flood situation. Areas along the reach of the Connecticut River from the Vermont border to Northampton should prepare for widespread flooding. If you are asked to evacuate, do so immediately.
• 40 ftWidespread river flooding is expected from Deerfield and Montague City south through Whately and Sunderland. Take action now to protect life and property. Follow the directions of your emergency management officials. If asked to evacuate, do so immediately.
• 37 ftFlooding will expand into portions of Montague and Greenfield downstream through Sunderland and Whately. Some residential areas may become inundated and localized road closures may be needed.
• 35 ftFlooding will expand into portions of Montague and Greenfield downstream through Sunderland and Whately. Some residential areas may become inundated and localized road closures may be needed.
• 33 ftFlooding of low lying areas outside of levee protection is likely from Greenfield and Montague downstream through Hatfield.
• 31 ftFlooding of low lying areas outside of levee protection is likely from Greenfield through Hatfield.
• 30 ftFlooding of low lying areas outside of levee protection is likely from Greenfield through Hatfield.
• 29 ftFlooding of low lying areas is expected primarily from Montague downstream through Sunderland and Whately.
• 28 ftMinor flooding is expected to overspread some of the farmland along the river from the Vermont border downstream through Hatfield and Hadley. Farming interests should take the necessary precautions to protect livestock and equipment.

Highest crests on record

1. 49.2 ft — March 19, 1936
2. 44.74 ft — September 22, 1938
3. 38.17 ft — May 31, 1984
4. 38.13 ft — April 6, 1960
5. 37.76 ft — December 31, 1948

Recent crests: 28.34 ft (March 18, 2025) · 29.86 ft (December 19, 2023) · 32.4 ft (July 11, 2023) · 28.52 ft (April 16, 2019) · 28.75 ft (February 26, 2016)

Highest flow on record

236,000 cubic feet per second — March 19, 1936. From the USGS's yearly peaks since 1904.

Up and down the river, and nearby

• UpstreamConnecticut River at North Walpole, NH
• Deerfield River at West Deerfield, MA
• North River at Shattuckville, MA
• Connecticut River near Northfield, MA
• Green River at Colrain, MA
• Deerfield River at Charlemont, MA
• Ashuelot River at Hinsdale, NH
• Mill River at Northampton, MA
• East Branch Swift River near Hardwick, MA