National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow Will Impact Southern St Lawrence County From Monday Into Tuesday

A winter weather advisory is in effect from 1 pm Monday to 1 pm Tuesday for lake effect snow in southern St Lawrence County in northern New York. Total snow accumulations between 3 and 6 inches, especially south and east of Route 11. There may be isolated higher amounts. Read More >

Current conditions at

Franklin County State Airport (KFSO)

Lat: 44.94°NLon: 73.1°WElev: 228ft.

Overcast

30°F

-1°C

Humidity 53%
Wind Speed W 5 mph
Barometer 29.96 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 18 Jan 3:55 pm EST
Extended Forecast for

3 Miles WNW Champlain NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 14. Light and variable wind.

    Low: 14 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: A 50 percent chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 26. South wind 5 to 7 mph. New snow accumulation of less than a half inch possible.

    High: 26 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of snow showers, mainly before 9pm. Partly cloudy, with a low around 9. Wind chill values as low as -4. South wind 7 to 14 mph becoming west after midnight. New snow accumulation of less than a half inch possible.

    Low: 9 °F

    Chance Snow
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 14. Wind chill values as low as -6. West wind 9 to 11 mph.

    High: 14 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 1. West wind 3 to 7 mph.

    Low: 1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow showers after 1pm. Mostly cloudy, with a high near 22. South wind around 6 mph.

    High: 22 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers likely. Mostly cloudy, with a low around 17. South wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 17 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of snow showers. Partly sunny, with a high near 30. South wind 7 to 9 mph becoming west in the afternoon.

    High: 30 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8. West wind around 6 mph.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 14. Light and variable wind.
M.L.King Day
A 50 percent chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 26. South wind 5 to 7 mph. New snow accumulation of less than a half inch possible.
Monday Night
A 30 percent chance of snow showers, mainly before 9pm. Partly cloudy, with a low around 9. Wind chill values as low as -4. South wind 7 to 14 mph becoming west after midnight. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 14. Wind chill values as low as -6. West wind 9 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 1. West wind 3 to 7 mph.
Wednesday
A 40 percent chance of snow showers after 1pm. Mostly cloudy, with a high near 22. South wind around 6 mph.
Wednesday Night
Snow showers likely. Mostly cloudy, with a low around 17. South wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Thursday
A 50 percent chance of snow showers. Partly sunny, with a high near 30. South wind 7 to 9 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 8. West wind around 6 mph.
Friday
Partly sunny, with a high near 15. West wind 6 to 8 mph.
Friday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around -2. West wind around 6 mph.
Saturday
A 30 percent chance of snow showers. Mostly sunny and cold, with a high near 8. West wind around 7 mph.
Saturday Night
Partly cloudy, with a low around -10. West wind around 6 mph.
Sunday
Mostly sunny and cold, with a high near 2. West wind around 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Champlain NY
 45°N 73.51°W (Elev. 200 ft)
Last Update:
12:53 pm EST Jan 18, 2026
Forecast Valid:
4pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation