Sunday, October 18, 2026 | St. Lawrence County, NY
A winter weather advisory is in effect for southern St. Lawrence County with freezing rain, sleet and snow possible this afternoon through Wednesday afternoon, according to the National Weather …
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A winter weather advisory is in effect for southern St. Lawrence County with freezing rain, sleet and snow possible this afternoon through Wednesday afternoon, according to the National Weather Service (NWS).
A weather system will bring a mix of rain and snow to the area this evening into Wednesday with a period of freezing rain and sleet expected along with gusty winds, NWS says.
The advisory runs from 4 p.m. today through 1 p.m. Wednesday, forecasters said.
Difficult travel conditions may develop from snow and ice accumulation on one of the busiest travel days of the year.
The wintry mix is expected to begin around 5 p.m. with winds 22-24 mph, the service says.
Ice and snow accumulation is not expected to be major, but travel could still be difficult at times.
The extended forecast through Monday is as follows:
Wednesday
Rain, mainly before 11am. High near 40. South wind 6 to 16 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain and snow before 10pm, then a chance of snow between 10pm and 3am. Mostly cloudy, with a low around 30. West wind around 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thanksgiving Day
Mostly cloudy, with a high near 39. West wind 5 to 8 mph.
Thursday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 23. Northwest wind around 10 mph.
Friday
Partly sunny, with a high near 30. Northwest wind around 10 mph.
Friday Night
Partly cloudy, with a low around 18. Northwest wind 5 to 9 mph.
Saturday
Mostly sunny, with a high near 30. West wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 21. South wind around 8 mph.
Sunday
A 30 percent chance of snow showers. Mostly cloudy, with a high near 35. South wind around 8 mph.
Sunday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 28. South wind around 10 mph.
Monday
A chance of rain and snow showers. Mostly cloudy, with a high near 36. Southwest wind 10 to 13 mph. Chance of precipitation is 40%.
