National Weather Service Advanced Hydrologic Prediction Service

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This probabilistic forecast is issued by the Northeast River Forecast Center.

	Hydrograph			River at a Glance			Download			Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

About this graph

Forecasts for the Shawsheen River at Wilmington are issued routinely year-round.

Return to Area Map

Zoom Level:16

Flood Categories (in feet)

Major Flood Stage:	10
Moderate Flood Stage:	8
Flood Stage:	7
Action Stage:	5
Low Stage (in feet):	-9999

Historic Crests
(1) 10.54 ft on 03/16/2010
(2) 10.49 ft on 10/22/1996
(3) 9.87 ft on 03/23/2001
(4) 9.85 ft on 01/26/1979
(5) 9.42 ft on 03/31/2010
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 7.31 ft on 09/03/2021 (P)
(2) 7.17 ft on 01/26/2019
(3) 7.79 ft on 04/18/2018
(4) 7.25 ft on 12/11/2014
(5) 7.26 ft on 03/31/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

	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
11	Flooding will affect areas along the river from Wilmington to Lawrence. Some roads will become impassable including Route 114 near the I-495 interchange. Follow the advice of local officials, and evacuate if asked to do so. Do not drive into areas where water covers the Road. Basement flooding in low lying areas is likely and valuables should be moved to higher ground.
9	Flooding will affect areas along the river from Wilmington to Lawrence. Some roads will become impassable including Route 114 near the I-495 interchange. Follow the advice of local officials, and evacuate if asked to do so. Do not drive into areas where water covers the Road. Basement flooding in low lying areas is likely and valuables should be moved to higher ground.
8	Flooding will affect low lying neighborhoods from Wilmington through Tewksbury to Lawrence. This includes a portion of Route 114 in lawrence. Areas subject to basement flooding should move valuables to higher ground.
7.5	Flood waters will inundate a portion of Route 114 in Lawrence, and also affect low lying areas from Wilmington through Lawrence.
7	Flooding will affect low lying areas along the river from Wilmington through Lawrence.

Other Real-time and/or Archive Data Sources:

U.S. Geological Survey (USGS) Data and Site Info for Wilmington

Additional Information

Potential River Levels - Used to

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.

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
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Page last modified: 2-Nov-2020 7:30 PM

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