FZUS61 KBUF 251545 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1045 AM EST Mon Nov 25 2024 SLZ022-024-252215- Saint Lawrence River from Cape Vincent to Saint Regis 1045 AM EST Mon Nov 25 2024 .THIS AFTERNOON...West winds less than 10 knots becoming northwest. Mostly sunny. .TONIGHT...Northeast winds 10 knots or less becoming east. Rain likely with a chance of snow showers after midnight. Rain and snow showers late. .TUESDAY...Southeast winds 5 to 10 knots becoming southwest and increasing to 15 to 20 knots. Rain and snow showers in the morning, then rain showers in the afternoon. .TUESDAY NIGHT...Southwest winds 15 to 20 knots diminishing to 10 to 15 knots. Lake effect rain showers likely in the evening, then rain and snow showers likely overnight. .WEDNESDAY...Southwest winds 10 to 15 knots. A chance of rain and snow showers. .THURSDAY...Southeast winds 10 knots or less becoming west. Rain likely with a chance of snow. .FRIDAY...West winds 5 to 10 knots. A chance of snow and rain showers. $$