Great Lakes Forecast
Issued by NWS
Issued by NWS
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103 FZUS61 KBUF 210243 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1043 PM EDT Mon May 20 2024 SLZ022-024-210915- Saint Lawrence River from Cape Vincent to Saint Regis 1043 PM EDT Mon May 20 2024 .OVERNIGHT...Light and variable winds. Partly to mostly cloudy. .TUESDAY...South winds 10 knots or less becoming southwest. A chance of showers early, then a chance of showers and thunderstorms from late morning on. .TUESDAY NIGHT...Southwest winds 10 knots or less. A chance of showers and thunderstorms in the evening. .WEDNESDAY...Southwest winds 10 knots or less. A chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Showers likely with a chance of thunderstorms. .THURSDAY...Southwest winds 5 to 15 knots. A chance of showers and thunderstorms. .FRIDAY...West winds 10 knots or less. Sunny. .SATURDAY...North winds less than 10 knots becoming southeast. Mostly sunny. Winds and waves higher in and near thunderstorms. $$