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.

Fair

30°F

-1°C

Humidity 41%
Wind Speed SW 9 mph
Barometer 29.89 in (1012.6 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 22 Jan 4:53 pm EST
Extended Forecast for

Peru 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: Mostly clear, with a low around 12. Southwest wind 7 to 13 mph, with gusts as high as 31 mph.

    Low: 12 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of snow showers, mainly between 9am and 3pm. The snow could be heavy at times. Partly sunny, with a high near 18. Wind chill values as low as -5. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Little or no snow accumulation expected.

    High: 18 °F

    Heavy Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around -10. Wind chill values as low as -23. Northwest wind 9 to 13 mph, with gusts as high as 32 mph.

    Low: -10 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and cold, with a high near 4. Wind chill values as low as -25. West wind around 7 mph, with gusts as high as 20 mph.

    High: 4 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -9. Calm wind.

    Low: -9 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of snow after 1pm. Mostly cloudy and cold, with a high near 7. Calm wind.

    High: 7 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 3. Calm wind. Chance of precipitation is 90%.

    Low: 3 °F

    Snow

  • Monday

    Monday: Snow. High near 13. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 80%.

    High: 13 °F

    Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around -1. Northwest wind around 6 mph.

    Low: -1 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 12. Southwest wind 7 to 13 mph, with gusts as high as 31 mph.
Friday
A 30 percent chance of snow showers, mainly between 9am and 3pm. The snow could be heavy at times. Partly sunny, with a high near 18. Wind chill values as low as -5. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around -10. Wind chill values as low as -23. Northwest wind 9 to 13 mph, with gusts as high as 32 mph.
Saturday
Sunny and cold, with a high near 4. Wind chill values as low as -25. West wind around 7 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around -9. Calm wind.
Sunday
A 40 percent chance of snow after 1pm. Mostly cloudy and cold, with a high near 7. Calm wind.
Sunday Night
Snow. Low around 3. Calm wind. Chance of precipitation is 90%.
Monday
Snow. High near 13. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around -1. Northwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 15. West wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 2. Southwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 17. West wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 0. Light west wind.
Thursday
Partly sunny, with a high near 13. West wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru NY
 44.57°N 73.54°W (Elev. 394 ft)
Last Update:
12:28 pm EST Jan 22, 2026
Forecast Valid:
5pm EST Jan 22, 2026-6pm EST Jan 29, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation