Raquette River at South Colton, NY

River level and flood forecast · St. Lawrence County

Normal3.0 ftas of Mon 3:30 PM

The river is 7.0 ft below flood stage (10 ft).

Forecast to fall to 2.6 ft by Thu, Oct 15, 8 AM.

Flow: 446 cubic feet per second (USGS).

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.

Flood stages

Moderate flood stage	11 ft
Flood stage	10 ft
Action stage	8.5 ft
Record crest (April 29, 2011)	11.27 ft

What floods at each level

From the National Weather Service, highest first.

11 ftHomes and businesses in Colton will flood. This includes areas along Stowe Lane, Gulf Road, Cold Brook Drive, East Higley Road, Stowe Lane, Riverside Drive and County Road 58. Downstream in Potsdam, Fall Island Park and Depot Street will flood. In Norwood some homes and the wastewater treatment plant will be threatened.
10 ftLow lying local roads along the Raquette River from Colton to Potsdam and Norwood will flood. This includes low lying portions of Gulf Road and Riverside Drive in Colton. There will be extensive field and property flooding.
8.5 ftAbove normal flows in the river will flood low lying fields and the yards of residences along the Raquette River from Colton to Potsdam and Norwood.

Highest crests on record

11.27 ft — April 29, 2011
9.8 ft — May 11, 1971
9.68 ft — April 28, 1993
9.22 ft — January 19, 1998
9.15 ft — April 26, 2019

Recent crests: 6.47 ft (August 9, 2024) · 7.65 ft (May 1, 2023) · 7.01 ft (April 1, 2022) · 6.78 ft (April 7, 2021) · 9.15 ft (April 26, 2019)

Up and down the river, and nearby

See it on the live map →Radar & warnings for St. Lawrence County NWS gauge page USGS gauge 04267500

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SCLN6); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.