Sunday, October 18, 2026 | St. Lawrence County, NY
A winter weather advisory is in effect for St. Lawrence County from 10 p.m. tonight through 7 p.m. Monday with rain expected to change into heavy snow overnight, according to the National Weather …
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A winter weather advisory is in effect for St. Lawrence County from 10 p.m. tonight through 7 p.m. Monday with rain expected to change into heavy snow overnight, according to the National Weather Service (NWS).
Travel may be difficult during the Monday morning commute, NWS says. Isolated power outages are possible.
Forecasters predict up to six inches of snow in parts of the North Country.
Slow down and use caution while driving, the service says.
Temperatures will drop to around 41 by 5 p.m. with gusty winds as high as 24 mph, NWS says. Overnight the low will be around 33 with rain and snow and more gusty winds.
The forecast through next Saturday is as follows:
Monday
Rain and snow likely before 8am, then snow. The rain and snow could be heavy at times. Temperature falling to around 28 by 5pm. Northwest wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday Night
A chance of snow before 7pm, then a chance of snow showers between 7pm and 11pm. Mostly cloudy, with a low around 24. West wind 8 to 11 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 39. South wind 10 to 18 mph.
Tuesday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 28. Southwest wind 11 to 16 mph.
Wednesday
A 30 percent chance of snow showers before 1pm. Partly sunny, with a high near 32. West wind 11 to 14 mph.
Wednesday Night
Partly cloudy, with a low around 19. West wind 5 to 9 mph becoming light southwest after midnight.
Thursday
Mostly sunny, with a high near 35. Light south wind becoming southwest 8 to 13 mph in the morning.
Thursday Night
Partly cloudy, with a low around 30. Southwest wind 14 to 16 mph.
Friday
Partly sunny, with a high near 43. Southwest wind 15 to 17 mph.
Friday Night
Mostly cloudy, with a low around 29. Southwest wind 6 to 14 mph.
Saturday
Partly sunny, with a high near 38. Light and variable wind becoming south around 5 mph in the afternoon.
