Great Lakes Forecast
Issued by NWS
Issued by NWS
377 FZUS61 KBUF 280205 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1005 PM EDT Fri Mar 27 2026 SLZ022-024-280900- Saint Lawrence River from Cape Vincent to Saint Regis 1005 PM EDT Fri Mar 27 2026 .OVERNIGHT...North winds less than 10 knots. Partly to mostly cloudy. .SATURDAY...Light and variable winds becoming west 10 to 15 knots. A chance of snow showers late in the morning. .SATURDAY NIGHT...West winds 5 to 10 knots becoming southwest. A chance of snow showers overnight. .SUNDAY...South winds 5 to 15 knots becoming southwest. A chance of snow showers in the morning. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Mostly cloudy. .MONDAY...Southwest winds 10 knots or less becoming east. A chance of rain showers Monday night. .TUESDAY...East winds 5 to 15 knots becoming southwest. Rain showers. .WEDNESDAY...West winds 5 to 15 knots becoming north. Rain showers during the day, then a chance of rain and snow showers Wednesday night. $$