Housatonic River at Great Barrington, MA

River level and flood forecast · Berkshire County

Normal2.4 ftas of Mon 11:30 PM

The river is 6.6 ft below flood stage (9 ft).

Forecast to fall to 2.0 ft by Thu, Oct 15, 8 AM.

Flow: 377 cubic feet per second (USGS).

Higher than normal for October 13.

Usual for October 13: 134 to 306 cubic feet per second (the middle half of 113 years).

The last 7 days and the forecast

02.557.51012.5WedThuFriSatSunMonTueWedThuAction 7 ftFlood 9 ftModerate 10 ftMajor 12 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 11:14 AM. Forecasts change as rain falls and as upstream water arrives.

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Flood stages

Major flood stage12 ft
Moderate flood stage10 ft
Flood stage9 ft
Action stage7 ft
Record crest (January 1, 1949)12.08 ft

What floods at each level

From the National Weather Service, highest first.

  • 12 ftMajor flood stage. Water floods Main Street in Great Barrington.
  • 10 ftModerate flood stage. Water floods River Street and reaches Searles Middle School.
  • 9 ftFlood stage. Water reaches the fair grounds.
  • 7 ftLow lying fields between Great Barrington and Ashley Falls are flooded with one to two feet of water.
  • 5 ftWater starts to flood fields between Great Barrington and Ashley Falls.
  • 4 ftThe river level is normal for spring.
  • 3 ftThe river level is normal for fall, winter and summer.

Highest crests on record

  1. 12.08 ft — January 1, 1949
  2. 11.72 ft — September 22, 1938
  3. 10.96 ft — May 31, 1984
  4. 10.6 ft — March 19, 1936
  5. 10.34 ft — October 9, 2005

Recent crests: 10.18 ft (September 9, 2011) · 9.62 ft (August 29, 2011) · 9.01 ft (March 8, 2011) · 10.34 ft (October 9, 2005) · 9.84 ft (July 13, 1996)

Highest flow on record

12,200 cubic feet per second — January 1, 1949. From the USGS's yearly peaks since 1914.

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (GTBM3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.