Great Lakes Forecast
Issued by NWS

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418
FZUS61 KBUF 090902
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
402 AM EST Sun Nov 9 2025

SLZ022-091600-
Saint Lawrence River from Cape Vincent to Ogdensburg-
402 AM EST Sun Nov 9 2025

.TODAY...Northeast winds 5 to 15 knots. Snow.
.TONIGHT...Northeast winds 5 to 15 knots becoming northwest. Snow
with possible freezing rain and sleet likely in the evening, then
snow showers likely with a chance of freezing rain after
midnight.
.MONDAY...Northwest winds 5 to 10 knots. A chance of snow
showers.
.MONDAY NIGHT...Northwest winds 5 to 10 knots becoming west. A
chance of snow showers.
.TUESDAY...West winds 5 to 15 knots becoming southwest. A chance
of snow showers during the day, then snow showers Tuesday night.
.WEDNESDAY...South winds 5 to 15 knots becoming west. Rain and
snow showers.
.THURSDAY...West winds 5 to 10 knots. Rain and snow showers
likely during the day, then a chance of snow and rain showers
likely Thursday night.

$$

SLZ024-091600-
Saint Lawrence River from Ogdensburg to Saint Regis-
402 AM EST Sun Nov 9 2025

.TODAY...Northeast winds 5 to 15 knots. A chance of snow early,
then snow from late morning on.
.TONIGHT...Northeast winds 5 to 15 knots becoming northwest. Snow
and freezing rain with sleet likely in the evening, then freezing
rain, snow showers and sleet likely after midnight.
.MONDAY...West winds 5 to 10 knots. A chance of snow showers.
.MONDAY NIGHT...West winds 5 to 10 knots. A chance of snow
showers.
.TUESDAY...West winds 5 to 15 knots becoming southwest. A chance
of snow showers during the day, then snow showers Tuesday night.
.WEDNESDAY...South winds 5 to 15 knots becoming west. Rain and
snow showers.
.THURSDAY...West winds 10 knots or less. Rain and snow showers
likely during the day, then a chance of snow showers Thursday
night.

$$