Great Lakes Forecast
Issued by NWS

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939
FZUS61 KBUF 101502
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1002 AM EST Mon Nov 10 2025

SLZ022-102200-
Saint Lawrence River from Cape Vincent to Ogdensburg-
1002 AM EST Mon Nov 10 2025

.THIS AFTERNOON...Northwest winds 10 knots or less becoming west.
A chance of snow showers.
.TONIGHT...West winds 5 to 10 knots. A chance of snow showers
after midnight.
.TUESDAY...West winds 5 to 15 knots. A chance of snow showers.
.TUESDAY NIGHT...West winds 10 to 15 knots becoming southwest. A
chance of snow showers in the evening, then lake effect snow
overnight.
.WEDNESDAY...Southwest winds 5 to 15 knots becoming west. Lake
effect rain and snow during the day, then rain showers likely
with a chance of snow showers Wednesday night.
.THURSDAY...West winds 10 knots or less. A chance of rain and
snow showers.
.FRIDAY...West winds 10 knots or less becoming north. A chance of
snow and rain showers during the day, then a chance of snow
showers Friday night.

$$

SLZ024-102200-
Saint Lawrence River from Ogdensburg to Saint Regis-
1002 AM EST Mon Nov 10 2025

.THIS AFTERNOON...West winds 5 to 10 knots. A chance of snow
showers late.
.TONIGHT...West winds 5 to 15 knots. Snow likely early. A chance
of snow showers after midnight.
.TUESDAY...West winds 10 to 15 knots. Snow likely in the morning,
then a chance of snow showers in the afternoon.
.TUESDAY NIGHT...West winds 5 to 15 knots becoming southwest.
Lake effect snow overnight.
.WEDNESDAY...Southwest winds 5 to 15 knots becoming west. Lake
effect snow and lake effect rain during the day, then snow and
rain showers likely Wednesday night.
.THURSDAY...West winds 10 knots or less. A chance of rain and
snow showers during the day, then a chance of snow showers
Thursday night.
.FRIDAY...West winds less than 10 knots. A chance of snow
showers.

$$