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

Winter Storm Warning and Winter Weather Advisory in Effect until 7 AM Tomorrow for St. Lawrence and Franklin Counties of New York

A Winter Storm Warning and a Weather Advisory are in effect until 7 AM tomorrow with between 3 and 9 inches of snow expected across portions of northern New York. Plan on slippery road conditions and periods of poor visibility. Snow may be heavy at times late this evening between 8 PM and 1 AM. Hazardous conditions could impact holiday travel tonight and tomorrow morning. Read More >

Hazardous Weather Conditions

Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Mostly Cloudy

26°F

-3°C

Humidity 44%
Wind Speed SW 9 G 16 mph
Barometer 29.58 in (1002.0 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 31 Dec 1:53 pm EST
Extended Forecast for

3 Miles S Altona NY

  • This Afternoon

    This Afternoon: A 30 percent chance of snow showers, mainly after 5pm. Cloudy, with a high near 20. Southwest wind 7 to 10 mph, with gusts as high as 22 mph. Little or no snow accumulation expected.

    High: 20 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Snow showers, mainly before 4am. Low around 2. Wind chill values as low as -5. Light and variable wind becoming west 5 to 8 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 2 °F

    Snow Showers

  • New Year's Day

    New Year's Day: A 20 percent chance of snow showers before 8am. Areas of blowing snow before 1pm. Mostly sunny and cold, with a high near 10. Wind chill values as low as -14. West wind 11 to 15 mph, with gusts as high as 31 mph.

    High: 10 °F

    Slight Chance
    Snow Showers
    and Areas
    Blowing Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -4. Wind chill values as low as -14. West wind 3 to 8 mph. Winds could gust as high as 21 mph.

    Low: -4 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 14. West wind 3 to 7 mph.

    High: 14 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 0. West wind 3 to 5 mph.

    Low: 0 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 11. West wind 6 to 8 mph.

    High: 11 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 0. Calm wind.

    Low: 0 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: Partly sunny, with a high near 16. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 16 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of snow showers, mainly after 5pm. Cloudy, with a high near 20. Southwest wind 7 to 10 mph, with gusts as high as 22 mph. Little or no snow accumulation expected.
Tonight
Snow showers, mainly before 4am. Low around 2. Wind chill values as low as -5. Light and variable wind becoming west 5 to 8 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
New Year's Day
A 20 percent chance of snow showers before 8am. Areas of blowing snow before 1pm. Mostly sunny and cold, with a high near 10. Wind chill values as low as -14. West wind 11 to 15 mph, with gusts as high as 31 mph.
Thursday Night
Partly cloudy, with a low around -4. Wind chill values as low as -14. West wind 3 to 8 mph. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 14. West wind 3 to 7 mph.
Friday Night
Mostly cloudy, with a low around 0. West wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 11. West wind 6 to 8 mph.
Saturday Night
A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 0. Calm wind.
Sunday
Partly sunny, with a high near 16. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around -5. West wind 3 to 5 mph.
Monday
A 40 percent chance of snow showers. Partly sunny, with a high near 16. West wind 3 to 6 mph.
Monday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 7. South wind 3 to 5 mph.
Tuesday
A 30 percent chance of snow showers. Mostly cloudy, with a high near 26. Southwest wind around 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Altona NY
 44.84°N 73.67°W (Elev. 984 ft)
Last Update:
12:51 pm EST Dec 31, 2025
Forecast Valid:
2pm EST Dec 31, 2025-6pm EST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation