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

Hazardous Weather Conditions

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Light Snow

28°F

-2°C

Humidity 93%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 27°F (-3°C)
Visibility 5.00 mi
Last update 21 Feb 8:55 pm EST
Extended Forecast for

5 Miles S Alton NY

Winter Weather Advisory until February 22, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until February 22, 04:00am

    NOW until 4:00am Sun

    Winter Weather Advisory

  • Tonight

    Low: 26 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Snow, mainly before 3pm, then a chance of snow showers after 3pm. High near 35. Light east wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 27. East wind 7 to 10 mph becoming north after midnight. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow

  • Monday

    Monday: A chance of snow showers before 1pm, then snow likely after 1pm. Cloudy, with a high near 32. North wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Likely

  • Monday Night

    Monday Night: Snow. Low around 11. Northwest wind around 17 mph. Chance of precipitation is 80%.

    Low: 11 °F

    Snow

  • Tuesday

    Tuesday: A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 20. West wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 20 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 15. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 40%.

    Low: 15 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 37. South wind 7 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    High: 37 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
A slight chance of snow showers before 10pm, then a chance of snow showers after 5am. Cloudy, with a low around 26. Light and variable wind. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow, mainly before 3pm, then a chance of snow showers after 3pm. High near 35. Light east wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow. Low around 27. East wind 7 to 10 mph becoming north after midnight. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A chance of snow showers before 1pm, then snow likely after 1pm. Cloudy, with a high near 32. North wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday Night
Snow. Low around 11. Northwest wind around 17 mph. Chance of precipitation is 80%.
Tuesday
A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 20. West wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of snow after 1am. Mostly cloudy, with a low around 15. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 40%.
Wednesday
A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 37. South wind 7 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of rain showers before 1am, then a chance of freezing rain. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Thursday
A chance of rain showers before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 36.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Alton NY
 43.16°N 77.06°W (Elev. 499 ft)
Last Update:
6:36 pm EST Feb 21, 2026
Forecast Valid:
9pm EST Feb 21, 2026-6pm EST Feb 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation