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

Lake Effect Snow Will Impact St. Lawrence County This Evening and Tonight

A Winter Weather Advisory is in effect from 1 PM today to 5 AM Tuesday for lake effect snow in southern St. Lawrence County. Total snow accumulations between 2 and 5 inches are expected. Plan on slippery road conditions. Strong winds will cause blowing snow and further reduce visibilities. Read More >

Hazardous Weather Conditions

Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Overcast

26°F

-3°C

Humidity 53%
Wind Speed NA
Barometer 29.76 in (1008.0 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 19 Jan 4:53 pm EST
Extended Forecast for

Grand Isle VT

  • M.L.King Day

    M.L.King Day: A 40 percent chance of snow showers. Cloudy, with a high near 28. South wind around 9 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.

    High: 28 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly between 11pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 11. Wind chill values as low as zero. South wind 10 to 14 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.

    Low: 11 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 17. Wind chill values as low as -1. West wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 17 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 7. Wind chill values as low as -1. West wind 6 to 8 mph becoming south after midnight.

    Low: 7 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow after 1pm. Mostly cloudy, with a high near 25. South wind 10 to 14 mph, with gusts as high as 30 mph. Little or no snow accumulation expected.

    High: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 20. South wind 14 to 16 mph, with gusts as high as 44 mph.

    Low: 20 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow showers after 1pm. Partly sunny, with a high near 34. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 34 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 17. West wind 10 to 13 mph.

    High: 17 °F

    Partly Sunny

Detailed Forecast

M.L.King Day
A 40 percent chance of snow showers. Cloudy, with a high near 28. South wind around 9 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.
Tonight
A 30 percent chance of snow showers, mainly between 11pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 11. Wind chill values as low as zero. South wind 10 to 14 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 17. Wind chill values as low as -1. West wind 8 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 7. Wind chill values as low as -1. West wind 6 to 8 mph becoming south after midnight.
Wednesday
A 40 percent chance of snow after 1pm. Mostly cloudy, with a high near 25. South wind 10 to 14 mph, with gusts as high as 30 mph. Little or no snow accumulation expected.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20. South wind 14 to 16 mph, with gusts as high as 44 mph.
Thursday
A 30 percent chance of snow showers after 1pm. Partly sunny, with a high near 34. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 12. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 17. West wind 10 to 13 mph.
Friday Night
Mostly cloudy, with a low around -7. Northwest wind around 14 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny and cold, with a high near 1. Northwest wind 9 to 13 mph.
Saturday Night
Partly cloudy, with a low around -9. Northwest wind around 7 mph.
Sunday
Mostly sunny and cold, with a high near 5. North wind around 7 mph.
Sunday Night
Partly cloudy, with a low around -4. Northwest wind around 6 mph.
Monday
Partly sunny and cold, with a high near 10. West wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Isle VT
 44.7°N 73.3°W (Elev. 200 ft)
Last Update:
4:24 pm EST Jan 19, 2026
Forecast Valid:
5pm EST Jan 19, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation