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

Lake Effect Snow continues through friday, followed by extreme cold for the weekend.

An Extreme Cold Warning is in effect for northern New York and Vermont from Friday evening through Saturday morning. Dangerously cold wind chills of -20F to -40F are expected. In addition, a Winter Weather Advisory remains in effect for southern St Lawrence County through Friday. A lake effect band will produce 3 to 9 inches of snow in the Advisory area, mainly along and south of Route 3. Read More >

Hazardous Weather Conditions

Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Mostly Cloudy

24°F

-4°C

Humidity 68%
Wind Speed NA
Barometer 29.93 in (1014.0 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 22 Jan 8:53 pm EST
Extended Forecast for

Au Sable Forks NY

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

  • Tonight

    Tonight: A slight chance of snow showers before 10pm, then a chance of snow showers after 4am. Increasing clouds, with a low around 7. Wind chill values as low as -4. West wind 9 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 7 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 30 percent chance of snow showers, mainly before 5pm. The snow could be heavy at times. Mostly cloudy, with a high near 12. Wind chill values as low as -14. West wind 9 to 13 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

    High: 12 °F

    Heavy Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before 10pm. The snow could be heavy at times. Partly cloudy, with a low around -16. Wind chill values as low as -33. West wind 13 to 15 mph, with gusts as high as 33 mph.

    Low: -16 °F

    Heavy Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny and cold, with a high near -2. Wind chill values as low as -37. West wind 8 to 11 mph, with gusts as high as 23 mph.

    High: -2 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -13. West wind around 6 mph becoming calm in the evening.

    Low: -13 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of snow after 1pm. Mostly cloudy and cold, with a high near 3. Calm wind becoming east around 5 mph in the afternoon.

    High: 3 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow. Low around -1. Light northeast wind. Chance of precipitation is 90%.

    Low: -1 °F

    Snow

  • Monday

    Monday: Snow. High near 9. Light and variable wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 80%.

    High: 9 °F

    Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around -4. West wind around 8 mph.

    Low: -4 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of snow showers before 10pm, then a chance of snow showers after 4am. Increasing clouds, with a low around 7. Wind chill values as low as -4. West wind 9 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow showers, mainly before 5pm. The snow could be heavy at times. Mostly cloudy, with a high near 12. Wind chill values as low as -14. West wind 9 to 13 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow showers before 10pm. The snow could be heavy at times. Partly cloudy, with a low around -16. Wind chill values as low as -33. West wind 13 to 15 mph, with gusts as high as 33 mph.
Saturday
Sunny and cold, with a high near -2. Wind chill values as low as -37. West wind 8 to 11 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around -13. West wind around 6 mph becoming calm in the evening.
Sunday
A 40 percent chance of snow after 1pm. Mostly cloudy and cold, with a high near 3. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Snow. Low around -1. Light northeast wind. Chance of precipitation is 90%.
Monday
Snow. High near 9. Light and variable wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around -4. West wind around 8 mph.
Tuesday
Partly sunny and cold, with a high near 10. West wind around 9 mph.
Tuesday Night
Mostly cloudy, with a low around 0. West wind around 8 mph.
Wednesday
Mostly sunny, with a high near 12. West wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around -4. West wind around 6 mph.
Thursday
Partly sunny and cold, with a high near 9. West wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Au Sable Forks NY
 44.49°N 73.81°W (Elev. 1490 ft)
Last Update:
12:28 pm EST Jan 22, 2026
Forecast Valid:
9pm EST Jan 22, 2026-6pm EST Jan 29, 2026
 
Forecast Discussion
 
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