FZUS61 KBUF 122102 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 PM EST Wed Nov 12 2025 SLZ022-130400- Saint Lawrence River from Cape Vincent to Ogdensburg- 402 PM EST Wed Nov 12 2025 .TONIGHT...West winds 5 to 15 knots. Rain showers likely this evening, then a chance of rain showers, freezing rain and snow showers after midnight. .THURSDAY...West winds 5 to 10 knots. A chance of snow showers, rain showers and freezing rain early, then a chance of rain and snow showers late in the morning. A chance of rain showers in the afternoon. .THURSDAY NIGHT...West winds 10 knots or less becoming northwest. A chance of rain and snow showers in the evening, then a chance of snow and rain showers overnight. .FRIDAY...Northwest winds less than 10 knots. Partly to mostly sunny. .FRIDAY NIGHT...Northwest winds less than 10 knots. Partly cloudy. .SATURDAY...Southwest winds 10 knots or less. A chance of rain during the day, then rain Saturday night. .SUNDAY...West winds 5 to 15 knots. Rain showers with snow showers likely. .MONDAY...West winds 10 knots or less. A chance of snow showers during the day. $$ SLZ024-130400- Saint Lawrence River from Ogdensburg to Saint Regis- 402 PM EST Wed Nov 12 2025 .TONIGHT...Southwest winds 10 knots or less becoming west. Rain showers this evening, then a chance of snow showers, rain showers and freezing rain after midnight. .THURSDAY...West winds 10 knots or less. Snow showers likely in the morning, then a chance of snow and rain showers in the afternoon. .THURSDAY NIGHT...West winds less than 10 knots. A chance of snow showers. .FRIDAY...West winds less than 10 knots becoming northwest. A chance of snow showers. .FRIDAY NIGHT...Northwest winds less than 10 knots. Partly cloudy. .SATURDAY...West winds 10 knots or less becoming southeast. A chance of rain and snow during the day, then snow and rain Saturday night. .SUNDAY...West winds 5 to 10 knots. Snow and rain showers. .MONDAY...West winds 5 to 10 knots. A chance of snow showers during the day. $$