Warner River at Davisville

1. 13.00 ftIn Warner, Depot Street floods with water surrounding businesses. Chemical Lane flooded near the confluence with the Silver Brook, cutting off access to a dozen properties including those on Willey Lane. Wallaby Colby Lane flooded. In Hopkinton, homes along Deer Path, Well House, and Dustin Roads are at risk from high water especially if the Contoocook River is also at high flows.
2. 12.00 ftIn Warner, areas that flood are West Roby District Road, West Joppa Road covered bridge, Waterloo Road covered bridge, Morse Lane, and the Tom Pond area experience flooding. Properties south of Depot Street are inundated with impacts to parking areas. Significant flooding to Riverside Park.
3. 10.00 ftLow lying roads along the Warner River begin to have a flood threat. The most flood prone areas include West Joppa Road in Warner, cutting off access to the Dalton covered bridge.
4. 9.50 ftBasement flooding of properties along Tom's Pond in Warner begins.
5. 8.50 ftProperties along Tom's Pond including Pine Lane in Warner are flooded with water overtopping retention walls.
6. 8.00 ftRiverside Road floods along with increasing depths over recreational fields in Warner.
7. 6.50 ftAlthough no structures are affected, water inundates recreational areas in Warner and Davisville. The river is at bankfull in other reaches, some erosion may occur.

Chance of flooding, September to November

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 21, 2026.

Most recent crests

• May 10, 2025: 8.58 ft
• December 19, 2023: 8.45 ft
• July 17, 2023: 8.38 ft
• December 24, 2022: 8.62 ft
• July 30, 2021: 8.63 ft
• August 29, 2011: 8.06 ft
• March 31, 2010: 8.37 ft
• April 16, 2007: 11.87 ft
• May 15, 2006: 12.35 ft
• October 9, 2005: 10.14 ft

• Contoocook River at River Hill
• Contoocook River at Henniker
• Merrimack River at Concord
• Merrimack River at Franklin Jct.
• Winnipesaukee River
• Pemigewasset River at Franklin Falls Dam
• South Branch Piscataquog River
• Suncook River at North Chichester

Forecasts by the Northeast River Forecast Center. Forecasts are issued routinely year-round.

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.