Great Lakes Forecast
Issued by NWS

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613
FZUS61 KBUF 092102
GLFSL

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

SLZ022-100400-
Saint Lawrence River from Cape Vincent to Ogdensburg-
402 PM EST Sun Nov 9 2025

.TONIGHT...Northeast winds 15 to 20 knots becoming northwest 5 to
15 knots. Snow, sleet and freezing rain early, then a chance of
freezing rain, snow and sleet late this evening. Snow and
freezing rain likely after midnight.
.MONDAY...Northwest winds 5 to 10 knots becoming west. 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. A chance of snow showers.
.TUESDAY NIGHT...Southwest winds 10 to 15 knots increasing to
15 to 20 knots. Snow and rain showers.
.WEDNESDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. Rain and snow showers during the day, then rain showers
with a chance of snow showers Wednesday night.
.THURSDAY...West winds 10 knots or less. Rain showers likely with
a chance of snow showers.
.FRIDAY...Northwest winds 10 knots or less becoming north. A
chance of rain and snow showers during the day.

$$

SLZ024-100400-
Saint Lawrence River from Ogdensburg to Saint Regis-
402 PM EST Sun Nov 9 2025

.TONIGHT...Northeast winds 15 to 20 knots becoming west 5 to
15 knots. Snow, freezing rain and sleet this evening, then
freezing rain likely after midnight. A chance of freezing rain
and snow late.
.MONDAY...West winds 5 to 10 knots. A chance of snow showers in
the afternoon.
.MONDAY NIGHT...West winds 5 to 15 knots. A chance of snow
showers.
.TUESDAY...West winds 10 to 15 knots. A chance of snow showers.
.TUESDAY NIGHT...Southwest winds 5 to 15 knots. A chance of snow
showers in the evening, then snow showers overnight.
.WEDNESDAY...Southwest winds 5 to 15 knots becoming west. Rain
and snow showers during the day, then rain showers with a chance
of snow showers Wednesday night.
.THURSDAY...West winds 10 knots or less. Rain and snow showers
likely during the day, then rain showers likely with a chance of
snow showers Thursday night.
.FRIDAY...West winds 10 knots or less becoming northwest. A
chance of snow showers during the day.

$$