Great Lakes Forecast
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667
FZUS61 KBUF 120302
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1002 PM EST Tue Nov 11 2025

SLZ022-121000-
Saint Lawrence River from Cape Vincent to Ogdensburg-
1002 PM EST Tue Nov 11 2025

.OVERNIGHT...Southwest winds 5 to 15 knots. Snow and rain
after midnight.
.WEDNESDAY...South winds 5 to 15 knots becoming southwest. Snow
and rain in the morning, then rain and snow showers in the
afternoon.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Rain showers in the
evening, then rain and snow showers overnight.
.THURSDAY...West winds 5 to 10 knots. Rain and snow showers
likely in the morning, then rain showers likely in the afternoon.
.THURSDAY NIGHT...West winds 10 knots or less. A chance of rain
and snow showers in the evening, then a chance of snow showers,
rain showers and freezing rain likely overnight.
.FRIDAY...Northwest winds 10 knots or less. A chance of rain
showers, snow showers and freezing rain likely during the day.
.SATURDAY...Northwest winds 10 knots or less becoming southeast.
Rain likely with a chance of freezing rain Saturday night.
.SUNDAY...Southeast winds 5 to 10 knots becoming west. Rain
likely with a chance of freezing rain during the day, then rain
and snow showers likely Sunday night.

$$

SLZ024-121000-
Saint Lawrence River from Ogdensburg to Saint Regis-
1002 PM EST Tue Nov 11 2025

.OVERNIGHT...Southwest winds 5 to 10 knots. A chance of
snow showers. Snow late.
.WEDNESDAY...South winds 5 to 10 knots becoming southwest. Snow
in the morning, then rain and snow showers early in the
afternoon. Rain showers late.
.WEDNESDAY NIGHT...Southwest winds less than 10 knots becoming
west. Rain and snow showers.
.THURSDAY...West winds 10 knots or less. Snow and rain showers.
.THURSDAY NIGHT...West winds less than 10 knots. A chance of rain
and snow showers in the evening, then a chance of snow showers
overnight.
.FRIDAY...West winds less than 10 knots becoming northwest. A
chance of snow showers during the day.
.SATURDAY...Northwest winds less than 10 knots. A chance of
freezing rain Saturday night.
.SUNDAY...East winds 10 knots or less becoming west. Rain likely
with a chance of freezing rain during the day, then rain and snow
showers likely Sunday night.

$$