Great Lakes Forecast
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654
FZUS61 KBUF 070902
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
402 AM EST Sun Dec 7 2025

SLZ022-071600-
Saint Lawrence River from Cape Vincent to Ogdensburg-
402 AM EST Sun Dec 7 2025

.TODAY...Northeast winds 10 knots or less. Snow from late morning
on.
.TONIGHT...North winds 10 knots or less becoming northwest. Snow
likely early, then a chance of snow showers late in the evening.
.MONDAY...Northwest winds less than 10 knots becoming southwest.
Sunny.
.MONDAY NIGHT...Southwest winds 10 knots or less becoming south.
Partly to mostly cloudy.
.TUESDAY...South winds 10 to 15 knots becoming southwest. Snow
showers likely during the day, then snow and rain showers Tuesday
night.
.WEDNESDAY...South winds 10 to 15 knots becoming northwest 5 to
10 knots. Rain and snow showers.
.THURSDAY...West winds 5 to 10 knots becoming northwest. A chance
of snow showers.

$$

SLZ024-071600-
Saint Lawrence River from Ogdensburg to Saint Regis-
402 AM EST Sun Dec 7 2025

.TODAY...Northeast winds less than 10 knots. A chance of snow
late this morning. Snow this afternoon.
.TONIGHT...Northeast winds 10 knots or less becoming northwest.
Snow likely early, then a chance of snow showers late in the
evening.
.MONDAY...Northwest winds 10 knots or less becoming southwest.
Sunny.
.MONDAY NIGHT...Southwest winds less than 10 knots becoming
south. Partly to mostly cloudy.
.TUESDAY...South winds 5 to 15 knots. Snow showers.
.WEDNESDAY...South winds 10 to 15 knots becoming west 5 to
10 knots. Snow and rain showers.
.THURSDAY...West winds 5 to 10 knots becoming northwest. A chance
of snow showers.

$$