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

Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Fair

27°F

-3°C

Humidity 39%
Wind Speed NW 5 mph
Barometer 30.38 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 8 Dec 12:15 pm EST
Extended Forecast for

2 Miles SE Alton NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 22. North wind around 6 mph becoming light and variable.

    High: 22 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 8. Calm wind becoming south around 5 mph after midnight.

    Low: 8 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow showers after 1pm. Increasing clouds, with a high near 32. South wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after 1am. Cloudy, with a low around 25. Southwest wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Wednesday

    Wednesday: Rain and snow showers, becoming all rain after 10am. High near 39. South wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 39 °F

    Rain/Snow
    then Showers

  • Wednesday Night

    Wednesday Night: Rain and snow showers, becoming all snow after 10pm. Low around 24. West wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 24 °F

    Rain/Snow
    then Snow
    Showers

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 31. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 31 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 21. West wind around 7 mph. Chance of precipitation is 40%.

    Low: 21 °F

    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 40%.

    High: 30 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 22. North wind around 6 mph becoming light and variable.
Tonight
Partly cloudy, with a low around 8. Calm wind becoming south around 5 mph after midnight.
Tuesday
A chance of snow showers after 1pm. Increasing clouds, with a high near 32. South wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Tuesday Night
Snow showers likely, mainly after 1am. Cloudy, with a low around 25. Southwest wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
Rain and snow showers, becoming all rain after 10am. High near 39. South wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain and snow showers, becoming all snow after 10pm. Low around 24. West wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 31. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 21. West wind around 7 mph. Chance of precipitation is 40%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 40%.
Friday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
Saturday
Snow showers likely. Mostly cloudy, with a high near 27. Chance of precipitation is 60%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Alton NY
 43.2°N 77.02°W (Elev. 446 ft)
Last Update:
9:35 am EST Dec 8, 2025
Forecast Valid:
12pm EST Dec 8, 2025-6pm EST Dec 14, 2025
 
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