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

Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Canandaigua Airport (KIUA)

Lat: 42.91°NLon: 77.33°WElev: 814ft.

Fair

2°F

-17°C

Humidity 78%
Wind Speed Calm
Barometer 30.19 in
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 9 Dec 2:35 am EST
Extended Forecast for

Shortsville NY

  • Overnight

    Overnight: Mostly clear, with a low around 9. South wind around 6 mph.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow, mainly between 2pm and 4pm. Increasing clouds, with a high near 30. South wind 7 to 13 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Partly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A chance of snow after 4am. Mostly cloudy, with a low around 25. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Rain and snow before 1pm, then rain likely between 1pm and 4pm, then rain and snow likely after 4pm. High near 40. South wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow showers likely, possibly mixed with rain, becoming all snow after 10pm. Mostly cloudy, with a low around 22. West wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 22 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 29. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 29 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 21. West wind around 10 mph. Chance of precipitation is 40%.

    Low: 21 °F

    Chance Snow
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 30. West wind 8 to 10 mph.

    High: 30 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 50%.

    Low: 20 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 9. South wind around 6 mph.
Tuesday
A chance of snow, mainly between 2pm and 4pm. Increasing clouds, with a high near 30. South wind 7 to 13 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of snow after 4am. Mostly cloudy, with a low around 25. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow before 1pm, then rain likely between 1pm and 4pm, then rain and snow likely after 4pm. High near 40. South wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers likely, possibly mixed with rain, becoming all snow after 10pm. Mostly cloudy, with a low around 22. West wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 29. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 21. West wind around 10 mph. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 30. West wind 8 to 10 mph.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 50%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 50%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 12.
Monday
A chance of snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shortsville NY
 42.95°N 77.22°W (Elev. 623 ft)
Last Update:
3:36 am EST Dec 9, 2025
Forecast Valid:
3am EST Dec 9, 2025-6pm EST Dec 15, 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