FZUS61 KBUF 150810 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 410 AM EDT Wed Apr 15 2026 SLZ022-024-151500- Saint Lawrence River from Cape Vincent to Saint Regis 410 AM EDT Wed Apr 15 2026 .TODAY...East winds 10 knots or less becoming north. A chance of rain showers early, then rain showers late this morning. Rain showers likely early this afternoon. Areas of fog this morning. Patchy fog late. .TONIGHT...Northeast winds less than 10 knots becoming east. Areas of fog. A chance of showers in the evening, then showers likely after midnight. .THURSDAY...East winds 10 knots or less becoming south. Patchy fog in the morning. Showers likely in the morning, then showers in the afternoon. .THURSDAY NIGHT...South winds less than 10 knots becoming north. Showers with a chance of thunderstorms in the evening, then showers likely overnight. .FRIDAY...North winds 10 knots or less becoming east. Showers likely during the day. .SATURDAY...Southeast winds 5 to 15 knots becoming southwest. A chance of showers during the day, then showers likely Saturday night. .SUNDAY...Southwest winds 10 to 15 knots becoming west. Rain showers likely during the day, then rain showers likely with a chance of snow showers Sunday night. Winds and waves higher in and near thunderstorms. $$