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

Lake Effect Snow Will Impact St. Lawrence County This Evening and Tonight

A Winter Weather Advisory is in effect from 1 PM today to 5 AM Tuesday for lake effect snow in southern St. Lawrence County. Total snow accumulations between 2 and 5 inches are expected. Plan on slippery road conditions. Strong winds will cause blowing snow and further reduce visibilities. Read More >

Hazardous Weather Conditions

Current conditions at

Caledonia County Airport (KCDA)

Lat: 44.57°NLon: 72.02°WElev: 1188ft.

Partly Cloudy

19°F

-7°C

Humidity 79%
Wind Speed Calm
Barometer 29.78 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 19 Jan 7:28 pm EST
Extended Forecast for

Willoughby VT

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 8. Wind chill values as low as -4. Southwest wind 7 to 13 mph, with gusts as high as 28 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 8 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers between 2pm and 3pm. Mostly sunny, with a high near 12. Wind chill values as low as -6. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 12 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 1. Wind chill values as low as -8. West wind around 6 mph.

    Low: 1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 22. Wind chill values as low as -8. South wind around 7 mph, with gusts as high as 22 mph.

    High: 22 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 18. South wind around 10 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow showers. Mostly cloudy, with a high near 31. Southwest wind around 11 mph, with gusts as high as 22 mph.

    High: 31 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10. West wind around 8 mph.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 14. West wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 14 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -12. West wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: -12 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow showers, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 8. Wind chill values as low as -4. Southwest wind 7 to 13 mph, with gusts as high as 28 mph. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow showers between 2pm and 3pm. Mostly sunny, with a high near 12. Wind chill values as low as -6. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 1. Wind chill values as low as -8. West wind around 6 mph.
Wednesday
Partly sunny, with a high near 22. Wind chill values as low as -8. South wind around 7 mph, with gusts as high as 22 mph.
Wednesday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 18. South wind around 10 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Thursday
A 30 percent chance of snow showers. Mostly cloudy, with a high near 31. Southwest wind around 11 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 10. West wind around 8 mph.
Friday
Mostly cloudy, with a high near 14. West wind 7 to 9 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around -12. West wind 10 to 13 mph, with gusts as high as 23 mph.
Saturday
Partly sunny and cold, with a high near -4. West wind 7 to 9 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around -18. Northwest wind 3 to 5 mph.
Sunday
Partly sunny and cold, with a high near 2. Northwest wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around -13. West wind around 5 mph.
Monday
Partly sunny and cold, with a high near 7. West wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Willoughby VT
 44.71°N 72.11°W (Elev. 1201 ft)
Last Update:
6:11 pm EST Jan 19, 2026
Forecast Valid:
7pm EST Jan 19, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation