Great Lakes Forecast
Issued by NWS
Issued by NWS
985 FZUS61 KBUF 282102 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 PM EST Sun Dec 28 2025 SLZ022-290400- Saint Lawrence River from Cape Vincent to Ogdensburg- 402 PM EST Sun Dec 28 2025 .TONIGHT...Northeast winds 10 knots or less becoming east 10 to 15 knots. Freezing rain this evening, then rain showers and freezing rain after midnight. .MONDAY...Southeast winds 15 to 25 knots becoming southwest to 30 knots. Rain showers, a chance of snow showers and freezing rain in the morning, then snow showers with a chance of rain showers in the afternoon. .MONDAY NIGHT...Southwest winds to 30 knots becoming west 15 to 25 knots. Snow showers. .TUESDAY...West winds 15 to 25 knots. Snow showers likely in the morning, then a chance of snow showers in the afternoon. .TUESDAY NIGHT...West winds 15 to 20 knots diminishing to 5 to 15 knots. A chance of snow showers overnight. .WEDNESDAY...Southwest winds 5 to 15 knots becoming west less than 10 knots. Snow showers likely. .THURSDAY...West winds less than 10 knots becoming southwest. A chance of snow showers. .FRIDAY...Southwest winds 10 knots or less. A chance of snow showers. $$ SLZ024-290400- Saint Lawrence River from Ogdensburg to Saint Regis- 402 PM EST Sun Dec 28 2025 .TONIGHT...Northeast winds 5 to 15 knots becoming east. Freezing rain. .MONDAY...East winds 15 to 20 knots becoming southwest and increasing to 30 knots. Rain showers and freezing rain early, then rain showers likely late in the morning. Snow showers likely with a chance of rain showers in the afternoon. .MONDAY NIGHT...Southwest winds to 30 knots becoming west. Snow showers. .TUESDAY...West winds to 30 knots diminishing to 15 to 25 knots. Snow showers in the morning, then a chance of snow showers in the afternoon. .TUESDAY NIGHT...West winds 15 to 25 knots diminishing to 10 to 15 knots. A chance of snow showers overnight. .WEDNESDAY...Southwest winds 5 to 15 knots becoming west. Snow showers likely. .THURSDAY...Southwest winds 10 knots or less. Mostly cloudy. .FRIDAY...Southwest winds 10 knots or less. A chance of snow showers. $$