Green River at Colrain, MA
River level and flood forecast · Franklin County
The river is 4.1 ft below flood stage (7 ft).
Flow: 39 cubic feet per second (USGS).
Normal for October 13.
Usual for October 13: 14 to 49 cubic feet per second (the middle half of 59 years).
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 Green River at Colrain to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 12 ft |
| Moderate flood stage | 9 ft |
| Flood stage | 7 ft |
| Action stage | 6 ft |
| Record crest (August 28, 2011) | 13.31 ft |
Highest crests on record
- 13.31 ft — August 28, 2011
- 9.14 ft — October 9, 2005
- 9.1 ft — December 18, 2023
- 9.04 ft — October 30, 2017
- 8.22 ft — February 25, 2016
Recent crests: 7.06 ft (April 12, 2024) · 9.1 ft (December 18, 2023) · 7.49 ft (July 18, 2021) · 7.1 ft (December 25, 2020) · 9.04 ft (October 30, 2017)
Highest flow on record
13,200 cubic feet per second — August 28, 2011. From the USGS's yearly peaks since 1968.
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CRNM3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.