Blackstone River at Woonsocket

1. 18.00 ftThis is a serious situation! Flooding along the Blackstone River is forecast to be the worst flooding since the flooding associated with Connie and Diane in 1955. Flooding will affect homes and business near the river, and many roads will become impassable. Follow the instructions of local officials and evacuate if asked to do so. Obey posted road closures. Do not go sightseeing. River banks can suddenly erode due to swift river flows.
2. 16.00 ftThis is a serious situation! Flooding will be comparable to, or worse than, the floods of October 2005. Flooding of homes and businesses is expected outside of flood protection levees and walls. Some river roads will become impassable from Woonsocket through Central Falls. Floodwaters encroach near the floorboards of the first level of the River Island Condominiums in Woonoscket. Parking areas along the river will be flooded. Follow the advice of local officials and evacuate if asked to do so.
3. 14.00 ftFlooding will be comparable to the March floods of 2010. Flooding is likely in lower lying sections of Woonsocket and Cumberland. Deep floodwaters are expected in the lower level of the River Island Condominiums in Woonsocket. Several buisnesses along the river will have several feet of water into their parking areas, including the parking lot for the Cumberland school district buses. Vehicles should be moved from these areas.
4. 13.00 ftFlooding impacts lower lying sections of Woonsocket and Cumberland. Significant flooding occurs within the lower level of the River Island Condominiums in Woonsocket. Businesses along the river will have several feet of water into their parking areas, including the parking lot for the Cumberland school district buses. Vehicles should be moved from these areas.
5. 12.00 ftFlooding impacts lower lying sections of Woonsocket and Cumberland. Significant flooding occurs within the lower level of the River Island Condominiums in Woonsocket. Many buisnesses along the river will have several feet of water into their parking areas. Vehicles should be moved from these areas.
6. 11.00 ftFloodwaters are inside the lower level of the 148 Bernon St condominiums in Woonsocket. Flooding spreads across most of the lower parking area of the Highland Falls Apartments. Flooding is also expected to overspread lowest lying sections of Lonsdale in Cumberland.
7. 10.00 ftFlooding is likely along low lying areas of the river. This includes the lower level of the 148 Bernon St condominiums in Woonsocket, and lower end of the Highland Falls Apartments parking area. Flood waters may also cover portions of the parking areas of some of the mills and shopping outlets in Cumberland located just off of Route 122.
8. 9.00 ftFlooding may begin to affect the lower parking area to the Highland Falls Apartments. Lower lying residential areas along the Rhode Island and Massachusetts line, including the lower level of the 148 Bernon St condominiums in Woonsocket, may begin to experience flooding. Businesses along the river should take the necessary actions to protect property.
9. 8.50 ftIf unprotected, floodwaters reach the very base of the lower level of the 148 Bernon St condominium building in Woonsocket.

Chance of flooding, September to November

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 14, 2026.

Most recent crests

• January 11, 2024: 11.22 ft
• December 19, 2023: 13.39 ft
• September 3, 2021: 9.94 ft
• January 25, 2019: 9.01 ft
• March 3, 2018: 8.43 ft
• March 31, 2014: 9.41 ft
• September 9, 2011: 9.00 ft
• August 29, 2011: 9.01 ft
• March 8, 2011: 10.29 ft
• March 31, 2010: 14.50 ft

• UpstreamBlackstone River at Northbridge
• Blackstone River at Woonsocket
• Blackstone River
• Branch River at Forestdale
• Blackstone River
• West River Below West Hill Dam
• Woonasquatucket at Centerdale
• Blackstone River
• Charles River at Medway

Forecasts by the Northeast River Forecast Center. Forecasts are issued routinely year-round. Stage may be affected by ice.

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.