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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Overcast

27°F

-3°C

Humidity 50%
Wind Speed S 12 G 16 mph
Barometer 29.84 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 9 Dec 3:15 pm EST
Extended Forecast for

2 Miles NNW Savannah NY

Winter Storm Watch December 11, 01:00am until December 12, 07:00am
Click here for hazard details and duration
Winter Storm Watch

  • This Afternoon

    This Afternoon: A chance of snow showers after 4pm. Cloudy, with a high near 29. South wind around 13 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.

    High: 29 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Snow showers likely, mainly after 5am. Cloudy, with a low around 24. South wind 11 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Cloudy then
    Snow Showers
    Likely

  • Wednesday

    Wednesday: Rain and snow before 3pm, then rain likely between 3pm and 4pm, then rain and snow after 4pm. The snow could be heavy at times. High near 39. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, becoming all snow after 10pm. Low around 22. Southwest wind 10 to 15 mph becoming northwest in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: Snow showers. High near 27. West wind 15 to 17 mph. Chance of precipitation is 80%.

    High: 27 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers. Low around 22. West wind 8 to 13 mph. Chance of precipitation is 80%.

    Low: 22 °F

    Snow Showers

  • Friday

    Friday: A chance of snow showers before 1pm. Mostly cloudy, with a high near 31. West wind 8 to 10 mph. Chance of precipitation is 40%.

    High: 31 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 19. South wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 19 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Saturday

    Saturday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.

    High: 32 °F

    Snow Showers
    Likely

Detailed Forecast

This Afternoon
A chance of snow showers after 4pm. Cloudy, with a high near 29. South wind around 13 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers likely, mainly after 5am. Cloudy, with a low around 24. South wind 11 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
Rain and snow before 3pm, then rain likely between 3pm and 4pm, then rain and snow after 4pm. The snow could be heavy at times. High near 39. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow, possibly mixed with rain, becoming all snow after 10pm. Low around 22. Southwest wind 10 to 15 mph becoming northwest in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers. High near 27. West wind 15 to 17 mph. Chance of precipitation is 80%.
Thursday Night
Snow showers. Low around 22. West wind 8 to 13 mph. Chance of precipitation is 80%.
Friday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 31. West wind 8 to 10 mph. Chance of precipitation is 40%.
Friday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 19. South wind 3 to 6 mph. Chance of precipitation is 40%.
Saturday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
Saturday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 25. Chance of precipitation is 60%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Monday
Mostly cloudy, with a high near 25.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.
Tuesday
Mostly cloudy, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Savannah NY
 43.13°N 76.77°W (Elev. 400 ft)
Last Update:
12:36 pm EST Dec 9, 2025
Forecast Valid:
3pm EST Dec 9, 2025-6pm EST Dec 16, 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