Blackstone River at Northbridge, MA
River level and flood forecast · Worcester County
The river is 4.8 ft below flood stage (9 ft).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Blackstone River at Northbridge to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 14 ft |
| Moderate flood stage | 12 ft |
| Flood stage | 9 ft |
| Action stage | 8 ft |
| Record crest (August 20, 1955) | 16.74 ft |
What floods at each level
From the National Weather Service, highest first.
- 16 ftWidespread flooding is expected along the river. Numerous residences along Main Street along and downstream of the Sutton Street Bridge will experience flooding.
- 13 ftThis is a serious flood event. Flooding will spread into residences along the river on Main Street. Flooding will affect low lying areas from Northbridge to Millville. Buisnesses along the river should take the necessary actions to protect property along the river.
- 11 ftFlooding is expected along the river from Northbridge through Uxbridge and Millville. Flooding will affect some homes and businesses along the river in these towns.
- 9 ftFlooding of low lying areas along the river bank is likely between Northbridge and the Rhode Island and Massachusetts border.
Highest crests on record
- 16.74 ft — August 20, 1955
- 13.7 ft — March 19, 1936
- 13.65 ft — October 15, 2005
- 12.48 ft — January 25, 1979
- 11.36 ft — September 12, 1954
Recent crests: 9.21 ft (January 10, 2024) · 9.78 ft (December 19, 2023) · 10.43 ft (September 2, 2021) · 9.16 ft (July 10, 2021) · 9.11 ft (January 25, 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 (NBRM3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.