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

Lake Effect Snow Warning and Winter Weather Advisories in effect for southern St. Lawrence and Franklin Counties through 7 PM Friday

Lake effect snow followed by upslope snow showers are expected to develop Thursday morning and persist through Thursday night, with total snow accumulations between 4 and 11 inches possible in the most persistent lake snow bands. Holiday travel could be very hazardous. Continue to monitor the latest forecasts for updates. Read More >

Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Overcast

42°F

6°C

Humidity 65%
Wind Speed Vrbl 3 mph
Barometer 29.67 in (1005.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 27 Nov 12:53 am EST
Extended Forecast for

3 Miles SSE Lyon Mountain NY

  • Overnight

    Overnight: A 30 percent chance of snow showers, mainly before 3am. Mostly cloudy, with a low around 26. Breezy, with a west wind 21 to 23 mph, with gusts as high as 38 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow
    Showers and
    Breezy

  • Thanksgiving Day

    Thanksgiving Day: A 50 percent chance of snow showers, mainly after 7am. Mostly cloudy, with a high near 29. Windy, with a southwest wind 24 to 26 mph, with gusts as high as 44 mph. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Chance Snow
    Showers and
    Windy

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 20. Breezy, with a west wind 21 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 20 °F

    Snow Showers
    Likely and
    Breezy

  • Friday

    Friday: Snow showers. High near 22. Windy, with a west wind 20 to 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 22 °F

    Snow Showers
    and Windy

  • Friday Night

    Friday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 18. Windy, with a west wind 23 to 32 mph. New snow accumulation of around an inch possible.

    Low: 18 °F

    Chance Snow
    Showers and
    Windy

  • Saturday

    Saturday: Partly sunny, with a high near 20. Breezy, with a west wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon.

    High: 20 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 17. West wind 6 to 9 mph becoming southeast after midnight.

    Low: 17 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow. High near 30. Southeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 30 °F

    Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. Low around 17. Breezy, with a south wind 20 to 22 mph becoming west after midnight. Chance of precipitation is 80%.

    Low: 17 °F

    Snow and
    Breezy

Detailed Forecast

Overnight
A 30 percent chance of snow showers, mainly before 3am. Mostly cloudy, with a low around 26. Breezy, with a west wind 21 to 23 mph, with gusts as high as 38 mph. Total nighttime snow accumulation of less than a half inch possible.
Thanksgiving Day
A 50 percent chance of snow showers, mainly after 7am. Mostly cloudy, with a high near 29. Windy, with a southwest wind 24 to 26 mph, with gusts as high as 44 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 20. Breezy, with a west wind 21 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday
Snow showers. High near 22. Windy, with a west wind 20 to 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 18. Windy, with a west wind 23 to 32 mph. New snow accumulation of around an inch possible.
Saturday
Partly sunny, with a high near 20. Breezy, with a west wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 17. West wind 6 to 9 mph becoming southeast after midnight.
Sunday
Snow. High near 30. Southeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Sunday Night
Snow, mainly before 1am. Low around 17. Breezy, with a south wind 20 to 22 mph becoming west after midnight. Chance of precipitation is 80%.
Monday
A 30 percent chance of snow before 1pm. Partly sunny, with a high near 21. West wind 13 to 18 mph.
Monday Night
Mostly cloudy, with a low around 9. West wind 9 to 11 mph becoming south after midnight.
Tuesday
A 40 percent chance of snow showers. Partly sunny, with a high near 17. South wind around 8 mph.
Tuesday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 12. South wind 9 to 11 mph becoming west after midnight.
Wednesday
Mostly cloudy, with a high near 20. Southwest wind around 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Lyon Mountain NY
 44.67°N 73.89°W (Elev. 2677 ft)
Last Update:
1:03 am EST Nov 27, 2025
Forecast Valid:
1am EST Nov 27, 2025-6pm EST Dec 3, 2025
 
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