St Lawrence River From Cape Vincent To St Regis
Northwest winds 5 to 10 knots. Partly to mostly sunny.
Northwest winds 10 knots or less. Mostly cloudy through early evening...then clearing.
Northwest winds 10 knots or less becoming west. Mostly sunny.
West winds 10 knots or less. Partly to mostly cloudy.
West winds 5 to 15 knots becoming southwest 15 to 20 knots. A chance of snow showers during the day...then lake effect snow showers likely Wednesday night.
Southwest winds 15 to 25 knots becoming west and diminishing to 5 to 15 knots. Lake effect snow showers likely.
Northwest winds less than 10 knots becoming southeast. A chance of snow showers during the day.