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

Winter Weather Advisory in Effect Across Southeastern St. Lawrence County Today, then Cold Weather Friday Night and Saturday

Rounds of lake effect snow are expected today into tomorrow in southeastern St. Lawrence County with periods of localized heavy snow. Snowfall rates may exceed 1"/hour at times, and gusty winds 35 mph during falling snow will result in low visibility. Then, cold temperatures and gusty winds will occur Friday night and Saturday across northern New York and Vermont. Read More >

Hazardous Weather Conditions

Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Light Snow

25°F

-4°C

Humidity 81%
Wind Speed NW 5 mph
Barometer 29.82 in (1010.1 mb)
Dewpoint 20°F (-7°C)
Visibility 1.75 mi
Wind Chill19°F (-7°C)
Last update 22 Jan 7:53 am EST
Extended Forecast for

Grand Isle VT

Extreme Cold Watch January 23, 07:00pm until January 24, 01:00pm
Click here for hazard details and duration
Extreme Cold Watch

  • Today

    Today: Scattered snow showers, mainly between 10am and 5pm. Mostly sunny, with a high near 34. West wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.

    High: 34 °F

    Scattered
    Snow Showers

  • Tonight

    Tonight: Isolated snow showers between 8pm and 11pm. Mostly clear, with a low around 15. Southwest wind 9 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    Low: 15 °F

    Isolated Snow
    Showers then
    Partly Cloudy

  • Friday

    Friday: Scattered snow showers, mainly after 2pm. Partly sunny, with a high near 20. Wind chill values as low as -3. Southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 20 °F

    Scattered
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around -8. Wind chill values as low as -25. Northwest wind 11 to 14 mph, with gusts as high as 30 mph.

    Low: -8 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and cold, with a high near 2. Northwest wind 8 to 10 mph.

    High: 2 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -5. Northwest wind around 6 mph becoming calm in the evening.

    Low: -5 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of snow after 1pm. Mostly cloudy and cold, with a high near 7. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 7 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow likely. Mostly cloudy, with a low around 5. North wind 3 to 5 mph. Chance of precipitation is 70%.

    Low: 5 °F

    Snow Likely

  • Monday

    Monday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 12. North wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 12 °F

    Snow Likely

Detailed Forecast

Today
Scattered snow showers, mainly between 10am and 5pm. Mostly sunny, with a high near 34. West wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Isolated snow showers between 8pm and 11pm. Mostly clear, with a low around 15. Southwest wind 9 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Friday
Scattered snow showers, mainly after 2pm. Partly sunny, with a high near 20. Wind chill values as low as -3. Southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around -8. Wind chill values as low as -25. Northwest wind 11 to 14 mph, with gusts as high as 30 mph.
Saturday
Sunny and cold, with a high near 2. Northwest wind 8 to 10 mph.
Saturday Night
Partly cloudy, with a low around -5. Northwest wind around 6 mph becoming calm in the evening.
Sunday
A 50 percent chance of snow after 1pm. Mostly cloudy and cold, with a high near 7. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Snow likely. Mostly cloudy, with a low around 5. North wind 3 to 5 mph. Chance of precipitation is 70%.
Monday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 12. North wind 5 to 8 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 4. West wind around 8 mph.
Tuesday
Mostly cloudy, with a high near 16. Southwest wind 8 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 5. West wind around 7 mph.
Wednesday
Partly sunny, with a high near 17. West wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Isle VT
 44.7°N 73.3°W (Elev. 200 ft)
Last Update:
4:15 am EST Jan 22, 2026
Forecast Valid:
8am EST Jan 22, 2026-6pm EST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation