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

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Overcast

27°F

-3°C

Humidity 58%
Wind Speed Vrbl 5 mph
Barometer 29.91 in (1013.2 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 18 Jan 7:53 pm EST
Extended Forecast for

Au Sable Forks NY

  • Tonight

    Tonight: A 20 percent chance of light snow after 1am. Mostly cloudy, with a low around 11. West wind around 5 mph becoming calm after midnight.

    Low: 11 °F

    Mostly Cloudy
    then Slight
    Chance Light
    Snow

  • M.L.King Day

    M.L.King Day: A 30 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 20. Calm wind becoming southwest 5 to 9 mph in the morning. Little or no snow accumulation expected.

    High: 20 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of snow showers. Partly cloudy, with a low around 5. Wind chill values as low as -11. West wind 10 to 16 mph. New snow accumulation of less than a half inch possible.

    Low: 5 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of snow showers after noon. Mostly sunny, with a high near 11. Wind chill values as low as -12. West wind 10 to 13 mph. New snow accumulation of less than a half inch possible.

    High: 11 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers before 11pm. Partly cloudy, with a low around -1. West wind 6 to 11 mph. New snow accumulation of less than a half inch possible.

    Low: -1 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow showers after 1pm. Partly sunny, with a high near 21. South wind around 7 mph, with gusts as high as 21 mph.

    High: 21 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 14. South wind 8 to 10 mph, with gusts as high as 28 mph.

    Low: 14 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: A 50 percent chance of snow showers. Partly sunny, with a high near 26. West wind around 11 mph, with gusts as high as 25 mph.

    High: 26 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 6. West wind around 10 mph, with gusts as high as 22 mph.

    Low: 6 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of light snow after 1am. Mostly cloudy, with a low around 11. West wind around 5 mph becoming calm after midnight.
M.L.King Day
A 30 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 20. Calm wind becoming southwest 5 to 9 mph in the morning. Little or no snow accumulation expected.
Monday Night
A 50 percent chance of snow showers. Partly cloudy, with a low around 5. Wind chill values as low as -11. West wind 10 to 16 mph. New snow accumulation of less than a half inch possible.
Tuesday
A 30 percent chance of snow showers after noon. Mostly sunny, with a high near 11. Wind chill values as low as -12. West wind 10 to 13 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
A 30 percent chance of snow showers before 11pm. Partly cloudy, with a low around -1. West wind 6 to 11 mph. New snow accumulation of less than a half inch possible.
Wednesday
A 30 percent chance of snow showers after 1pm. Partly sunny, with a high near 21. South wind around 7 mph, with gusts as high as 21 mph.
Wednesday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 14. South wind 8 to 10 mph, with gusts as high as 28 mph.
Thursday
A 50 percent chance of snow showers. Partly sunny, with a high near 26. West wind around 11 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 6. West wind around 10 mph, with gusts as high as 22 mph.
Friday
Partly sunny, with a high near 12. West wind 8 to 10 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around -3. West wind around 8 mph.
Saturday
Mostly sunny and cold, with a high near 7. West wind around 8 mph.
Saturday Night
Partly cloudy, with a low around -11. West wind around 7 mph.
Sunday
Mostly sunny and cold, with a high near 1. West wind around 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Au Sable Forks NY
 44.49°N 73.81°W (Elev. 1490 ft)
Last Update:
5:52 pm EST Jan 18, 2026
Forecast Valid:
8pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation