


Great Lakes Forecast
Issued by NWS
Issued by NWS
594 FZUS61 KBUF 242001 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 401 PM EDT Sat May 24 2025 SLZ022-024-250300- Saint Lawrence River from Cape Vincent to Saint Regis 401 PM EDT Sat May 24 2025 .TONIGHT...Northwest winds less than 10 knots. Showers likely early, then scattered showers late this evening. .SUNDAY...Northwest winds 10 knots or less becoming west. A chance of showers in the afternoon. .SUNDAY NIGHT...West winds 5 to 10 knots becoming light and variable. A chance of showers. .MONDAY...Light and variable winds. Mostly sunny. .MONDAY NIGHT...West winds less than 10 knots becoming southwest. Mainly clear. .TUESDAY...Southwest winds less than 10 knots. Mainly clear. .WEDNESDAY...South winds less than 10 knots. A chance of showers Wednesday night. .THURSDAY...South winds 5 to 10 knots becoming southwest. A chance of showers. $$