FZUS61 KBUF 260211 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1010 PM EDT Wed Mar 25 2026 SLZ022-024-260900- Saint Lawrence River from Cape Vincent to Saint Regis 1010 PM EDT Wed Mar 25 2026 .REST OF TONIGHT...East winds 5 to 10 knots becoming south and increasing to 15 to 20 knots. A chance of rain showers and freezing rain late this evening, then rain showers likely with a chance of freezing rain after midnight. Rain showers likely late. .THURSDAY...Southwest winds 5 to 15 knots becoming west. A chance of rain showers early. A chance of rain showers late. .THURSDAY NIGHT...Northwest winds 5 to 15 knots becoming north. Rain showers likely with a chance of snow showers in the evening, then a chance of rain and snow showers overnight. .FRIDAY...North winds 5 to 15 knots. Sunny. .FRIDAY NIGHT...North winds 10 knots or less. Partly to mostly cloudy. .SATURDAY...Northwest winds 10 knots or less becoming southwest. Partly cloudy. .SUNDAY...Southwest winds 5 to 10 knots becoming south. Partly cloudy, then becoming mostly cloudy. .MONDAY...Southwest winds 5 to 10 knots becoming northwest. A chance of rain and snow showers during the day. $$