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

Winter Weather Advisory in Effect Across Southeastern St. Lawrence County Today, then Cold Weather Friday Night and Saturday

Rounds of lake effect snow are expected today into tomorrow in southeastern St. Lawrence County with periods of localized heavy snow. Snowfall rates may exceed 1"/hour at times, and gusty winds 35 mph during falling snow will result in low visibility. Then, cold temperatures and gusty winds will occur Friday night and Saturday across northern New York and Vermont. Read More >

Hazardous Weather Conditions

Current conditions at

Franklin County State Airport (KFSO)

Lat: 44.94°NLon: 73.1°WElev: 228ft.

Overcast

30°F

-1°C

Humidity 69%
Wind Speed S 14 G 23 mph
Barometer 29.80 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 22 Jan 3:55 am EST
Extended Forecast for

Champlain NY

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

  • Overnight

    Overnight: Isolated snow showers. Mostly cloudy, with a steady temperature around 26. South wind around 13 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Isolated Snow
    Showers

  • Thursday

    Thursday: Scattered snow showers, mainly before 4pm. Mostly sunny, with a high near 33. South wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Scattered
    Snow Showers

  • Thursday Night

    Thursday Night: Isolated snow showers before 11pm, then isolated snow showers after 5am. Mostly clear, with a low around 13. West wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 13 °F

    Isolated Snow
    Showers then
    Mostly Clear

  • Friday

    Friday: Scattered snow showers, mainly after 11am. Partly sunny, with a high near 18. Wind chill values as low as -4. Southwest wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 18 °F

    Scattered
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around -9. West wind around 10 mph, with gusts as high as 29 mph.

    Low: -9 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and cold, with a high near 0. West wind 6 to 8 mph.

    High: 0 °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 5. Calm wind becoming northeast around 5 mph.

    High: 5 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow likely. Mostly cloudy, with a low around 1. Calm wind. Chance of precipitation is 70%.

    Low: 1 °F

    Snow Likely

Detailed Forecast

Overnight
Isolated snow showers. Mostly cloudy, with a steady temperature around 26. South wind around 13 mph. Chance of precipitation is 20%.
Thursday
Scattered snow showers, mainly before 4pm. Mostly sunny, with a high near 33. South wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
Isolated snow showers before 11pm, then isolated snow showers after 5am. Mostly clear, with a low around 13. West wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Friday
Scattered snow showers, mainly after 11am. Partly sunny, with a high near 18. Wind chill values as low as -4. Southwest wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around -9. West wind around 10 mph, with gusts as high as 29 mph.
Saturday
Sunny and cold, with a high near 0. West wind 6 to 8 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 5. Calm wind becoming northeast around 5 mph.
Sunday Night
Snow likely. Mostly cloudy, with a low around 1. Calm wind. Chance of precipitation is 70%.
Monday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 11. North wind 3 to 6 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 2. West wind around 6 mph.
Tuesday
Partly sunny, with a high near 14. West wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 4. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 15. West wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Champlain NY
 44.97°N 73.45°W (Elev. 200 ft)
Last Update:
12:51 am EST Jan 22, 2026
Forecast Valid:
4am EST Jan 22, 2026-6pm EST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation