Great Lakes Forecast
Issued by NWS
Issued by NWS
291 FZUS61 KBUF 131502 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1002 AM EST Thu Nov 13 2025 SLZ022-132200- Saint Lawrence River from Cape Vincent to Ogdensburg- 1002 AM EST Thu Nov 13 2025 .REST OF TODAY...West winds 5 to 10 knots. A chance of rain and snow showers late this morning, then a chance of rain showers early this afternoon. .TONIGHT...West winds 5 to 10 knots becoming northwest. Partly to mostly cloudy. .FRIDAY...Northwest winds 5 to 10 knots. Partly sunny. .FRIDAY NIGHT...Northwest winds 5 to 10 knots becoming light and variable. Partly cloudy. .SATURDAY...South winds 10 knots or less becoming southwest. A chance of rain showers during the day, then rain Saturday night. .SUNDAY...West winds 5 to 15 knots. Rain and snow showers likely during the day, then snow showers likely Sunday night. .MONDAY...West winds 5 to 15 knots. A chance of rain and snow showers during the day. $$ SLZ024-132200- Saint Lawrence River from Ogdensburg to Saint Regis- 1002 AM EST Thu Nov 13 2025 .REST OF TODAY...West winds 5 to 10 knots. A chance of snow showers late this morning, then a chance of rain and snow showers early this afternoon. .TONIGHT...West winds 10 knots or less. Mostly cloudy. .FRIDAY...West winds 10 knots or less becoming northwest. Partly sunny. .FRIDAY NIGHT...Northwest winds 5 to 10 knots becoming light and variable. Partly cloudy. .SATURDAY...Southwest winds 10 knots or less becoming south. A chance of rain showers during the day, then rain Saturday night. .SUNDAY...West winds 5 to 15 knots. Rain and snow showers during the day, then snow showers likely Sunday night. .MONDAY...West winds 5 to 15 knots. A chance of snow showers during the day. $$