Lake Effect Snow Will Impact Southern St Lawrence County From Monday Into Tuesday

A winter weather advisory is in effect from 1 pm Monday to 1 pm Tuesday for lake effect snow in southern St Lawrence County in northern New York. Total snow accumulations between 3 and 6 inches, especially south and east of Route 11. There may be isolated higher amounts. Read More >

Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Overcast

28°F

-2°C

Humidity 63%
Wind Speed Calm
Barometer 29.93 in (1013.8 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 18 Jan 5:53 pm EST
Extended Forecast for

Peru NY

  • Tonight

    Tonight: A 20 percent chance of light snow after 2am.  Mostly cloudy, with a low around 16. Calm wind.

    Low: 16 °F

    Mostly Cloudy
    then Slight
    Chance Light
    Snow

  • M.L.King Day

    M.L.King Day: A 40 percent chance of snow showers, mainly after 11am.  Mostly cloudy, with a high near 26. Calm wind becoming southwest 5 to 8 mph in the afternoon.  Little or no snow accumulation expected.

    High: 26 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of snow showers, mainly before 11pm.  Partly cloudy, with a low around 10. Wind chill values as low as -3. West wind 8 to 13 mph.  Little or no snow accumulation expected.

    Low: 10 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 17. Wind chill values as low as -3. West wind 8 to 10 mph.

    High: 17 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 3. West wind 3 to 7 mph.

    Low: 3 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 22. South wind 3 to 8 mph. Winds could gust as high as 22 mph.

    High: 22 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow showers.  Mostly cloudy, with a low around 17. South wind 6 to 8 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: A 40 percent chance of snow showers.  Partly sunny, with a high near 32. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 32 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10. West wind around 6 mph.

    Low: 10 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of light snow after 2am. Mostly cloudy, with a low around 16. Calm wind.
M.L.King Day
A 40 percent chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 26. Calm wind becoming southwest 5 to 8 mph in the afternoon. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of snow showers, mainly before 11pm. Partly cloudy, with a low around 10. Wind chill values as low as -3. West wind 8 to 13 mph. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 17. Wind chill values as low as -3. West wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 3. West wind 3 to 7 mph.
Wednesday
Mostly cloudy, with a high near 22. South wind 3 to 8 mph. Winds could gust as high as 22 mph.
Wednesday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 17. South wind 6 to 8 mph, with gusts as high as 24 mph.
Thursday
A 40 percent chance of snow showers. Partly sunny, with a high near 32. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 10. West wind around 6 mph.
Friday
Partly sunny, with a high near 17. West wind 5 to 9 mph.
Friday Night
Mostly cloudy, with a low around 1. West wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 11. West wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around -8. Northwest wind around 5 mph.
Sunday
Mostly sunny and cold, with a high near 5. Northwest wind 5 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Peru NY
 44.57°N 73.54°W (Elev. 394 ft)
5:52 pm EST Jan 18, 2026
6pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database