Great Lakes Forecast
Issued by NWS
Issued by NWS
939 FZUS61 KBUF 101502 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1002 AM EST Mon Nov 10 2025 SLZ022-102200- Saint Lawrence River from Cape Vincent to Ogdensburg- 1002 AM EST Mon Nov 10 2025 .THIS AFTERNOON...Northwest winds 10 knots or less becoming west. A chance of snow showers. .TONIGHT...West winds 5 to 10 knots. A chance of snow showers after midnight. .TUESDAY...West winds 5 to 15 knots. A chance of snow showers. .TUESDAY NIGHT...West winds 10 to 15 knots becoming southwest. A chance of snow showers in the evening, then lake effect snow overnight. .WEDNESDAY...Southwest winds 5 to 15 knots becoming west. Lake effect rain and snow during the day, then rain showers likely with a chance of snow showers Wednesday night. .THURSDAY...West winds 10 knots or less. A chance of rain and snow showers. .FRIDAY...West winds 10 knots or less becoming north. A chance of snow and rain showers during the day, then a chance of snow showers Friday night. $$ SLZ024-102200- Saint Lawrence River from Ogdensburg to Saint Regis- 1002 AM EST Mon Nov 10 2025 .THIS AFTERNOON...West winds 5 to 10 knots. A chance of snow showers late. .TONIGHT...West winds 5 to 15 knots. Snow likely early. A chance of snow showers after midnight. .TUESDAY...West winds 10 to 15 knots. Snow likely in the morning, then a chance of snow showers in the afternoon. .TUESDAY NIGHT...West winds 5 to 15 knots becoming southwest. Lake effect snow overnight. .WEDNESDAY...Southwest winds 5 to 15 knots becoming west. Lake effect snow and lake effect rain during the day, then snow and rain showers likely Wednesday night. .THURSDAY...West winds 10 knots or less. A chance of rain and snow showers during the day, then a chance of snow showers Thursday night. .FRIDAY...West winds less than 10 knots. A chance of snow showers. $$