Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.

Weather Forecast Office Boston / Norton, MA

Northeast River Forecast Center

Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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Printable Image About this graph Tabular Data (UTC) Tabular Data (EDT) Datum: NAVD88 Metadata

NOTE: Gauge reading affected by power generation. NOTE: Forecasts for the Connecticut River at Montague are issued routinely year-round.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 40 Moderate Flood Stage: 32 Flood Stage: 28 Action Stage: 26 Low Stage (in feet): -9999 Historic Crests (1) 49.20 ft on 03/19/1936 (2) 44.74 ft on 09/22/1938 (3) 38.17 ft on 05/31/1984 (4) 38.13 ft on 04/06/1960 (5) 37.76 ft on 12/31/1948 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 28.52 ft on 04/16/2019 (2) 28.75 ft on 02/26/2016 (3) 28.39 ft on 04/17/2014 (4) 35.91 ft on 08/29/2011 (5) 29.43 ft on 04/13/2011 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available.

Zoom Level:16 Legend FEMA Layer Gauge Location Disclaimer Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.

Flood Impacts & Photos

If you notice any errors in the below information, please contact our Webmaster
44	This 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	Widespread 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	Flooding 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	Flooding 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	Flooding of low lying areas outside of levee protection is likely from Greenfield and Montague downstream through Hatfield.
31	Flooding of low lying areas outside of levee protection is likely from Greenfield through Hatfield.
30	Flooding of low lying areas outside of levee protection is likely from Greenfield through Hatfield.
29	Flooding of low lying areas is expected primarily from Montague downstream through Sunderland and Whately.
28	Minor 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.

About This Location

Latitude: 42.580222° N, Longitude: 72.574500° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 28 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps Vertical Datum Elevation (gauge height = 0) Elevation (gauge height = flood stage) Elevation information source NAVD88 99.32 127.32 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other NULL NULL   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Montague

Additional Information

Potential River Levels Used to Estimate the Chance of Flooding and the Range of Possible River Levels 10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS) Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours. Click individual graphics to enlarge.

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Snow Information Ensemble River Forecasts Hourly Precipitation

Collaborative Agencies The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here. NWS Information National Weather Service Boston / Norton Weather Forecast Office 46 Commerce Way Norton, MA 02766 (508) 622-3250 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:30 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities