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 today 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 with isolated higher amounts possible, especially southeast of Route 11. Plan on slippery road conditions. Read More >

Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Overcast

23°F

-5°C

Humidity 74%
Wind Speed Calm
Barometer 29.80 in (1009.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 19 Jan 3:53 am EST
Extended Forecast for

Plattsburgh NY

  • Overnight

    Overnight: A 20 percent chance of light snow. Mostly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Slight Chance
    Light Snow

  • M.L.King Day

    M.L.King Day: A slight chance of light snow before 7am, then a chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 27. South wind 3 to 7 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Wind chill values as low as zero. Southwest wind 9 to 11 mph, with gusts as high as 24 mph.

    Low: 11 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 17. Wind chill values as low as -1. West wind 8 to 10 mph.

    High: 17 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 7. Southwest wind around 6 mph.

    Low: 7 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 23. South wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 23 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 19. South wind around 10 mph, with gusts as high as 23 mph.

    Low: 19 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: A 50 percent chance of snow showers. Partly sunny, with a high near 34. West wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 34 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10. West wind around 8 mph, with gusts as high as 20 mph.

    Low: 10 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of light snow. Mostly cloudy, with a low around 17. Calm wind.
M.L.King Day
A slight chance of light snow before 7am, then a chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 27. South wind 3 to 7 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Wind chill values as low as zero. Southwest wind 9 to 11 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 17. Wind chill values as low as -1. West wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 7. Southwest wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 23. South wind 6 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 19. South wind around 10 mph, with gusts as high as 23 mph.
Thursday
A 50 percent chance of snow showers. Partly sunny, with a high near 34. West wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 10. West wind around 8 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 16. West wind 7 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around -8. West wind around 8 mph.
Saturday
Mostly sunny and cold, with a high near 2. West wind around 9 mph.
Saturday Night
Partly cloudy, with a low around -10. West wind around 7 mph.
Sunday
Mostly sunny and cold, with a high near 6. Northwest wind around 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plattsburgh NY
 44.69°N 73.46°W (Elev. 121 ft)
Last Update:
12:56 am EST Jan 19, 2026
Forecast Valid:
4am EST Jan 19, 2026-6pm EST Jan 25, 2026
 
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Additional Resources

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Chance of Precipitation