Great Lakes Forecast
Issued by NWS
Issued by NWS
031 FZUS61 KBUF 130302 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1002 PM EST Wed Nov 12 2025 SLZ022-131000- Saint Lawrence River from Cape Vincent to Ogdensburg- 1002 PM EST Wed Nov 12 2025 .REST OF TONIGHT...West winds 5 to 10 knots. A chance of snow showers late. .THURSDAY...West winds 5 to 10 knots. A chance of rain showers from late morning on. .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. $$ SLZ024-131000- Saint Lawrence River from Ogdensburg to Saint Regis- 1002 PM EST Wed Nov 12 2025 .REST OF TONIGHT...West winds 10 knots or less. A chance of rain showers late this evening, then a chance of rain and snow showers after midnight. A chance of snow showers late. .THURSDAY...West winds 10 knots or less. A chance of snow showers in the morning, then a chance of rain showers early in the afternoon. .THURSDAY NIGHT...West winds less than 10 knots. A chance of snow showers. .FRIDAY...West winds less than 10 knots becoming northwest. A chance of snow showers. .FRIDAY NIGHT...Northwest winds less than 10 knots. Partly cloudy. .SATURDAY...West winds 10 knots or less becoming southeast. A chance of rain and snow during the day, then snow and rain Saturday night. .SUNDAY...West winds 5 to 10 knots. Snow and rain showers. .MONDAY...West winds 5 to 10 knots. A chance of snow showers during the day. $$