Merrimack River at Franklin Jct., NH
River level and flood forecast · Merrimack County
The river is 12.1 ft below flood stage (16 ft).
Forecast to rise to 5.7 ft Thu 2 AM, below the 16 ft flood stage.
Flow: 656 cubic feet per second (USGS).
Much lower than normal for October 13.
Usual for October 13: 919 to 1,940 cubic feet per second (the middle half of 101 years).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 11:14 AM. Forecasts change as rain falls and as upstream water arrives.
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An email when the National Weather Service forecasts Merrimack River at Franklin Jct. to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 28 ft |
| Moderate flood stage | 22 ft |
| Flood stage | 16 ft |
| Action stage | 14 ft |
| Record crest (March 19, 1936) | 36.4 ft |
What floods at each level
From the National Weather Service, highest first.
- 16 ftLowland flooding begins.
Highest crests on record
- 36.4 ft — March 19, 1936
- 30.85 ft — November 5, 1927
- 29.5 ft — September 22, 1938
- 24 ft — April 30, 1923
- 22.8 ft — February 13, 1925
Recent crests: 15.16 ft (May 14, 2006) · 16.16 ft (April 2, 1976) · 16.24 ft (April 19, 1969) · 16.02 ft (April 5, 1960) · 16.24 ft (April 30, 1956)
Highest flow on record
83,000 cubic feet per second — March 19, 1936. From the USGS's yearly peaks since 1904.
Up and down the river, and nearby
- DownstreamMerrimack River at Goffs Falls, NH
- Winnipesaukee River at Tilton, NH
- Smith River (NH) at Bristol, NH
- Warner River at Davisville, NH
- Merrimack River at Concord, NH
- Suncook River at North Chichester, NH
- Contoocook River at Henniker, NH
- Cockermouth River at Groton, NH
- Pemigewasset River at Plymouth, NH
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (FRJN3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.