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

Winter Weather Brings Dangerous Travel Conditions Across the Northern U.S.

Heavy lake effect snow will persist downwind of the Great Lakes through early Saturday. Snow squalls with heavy snow and gusty winds will create dangerous travel in the Interior Northeast due to low visibility and slippery roads. A major winter storm will bring moderate to heavy, accumulating snow and gusty winds from the eastern Plains to the western Great Lakes today through Saturday. Read More >

Current conditions at

Canandaigua Airport (KIUA)

Lat: 42.91°NLon: 77.33°WElev: 814ft.

Overcast

33°F

1°C

Humidity 67%
Wind Speed W 20 G 26 mph
Barometer 29.92 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 28 Nov 1:55 pm EST
Extended Forecast for

Mendon NY

  • This Afternoon

    This Afternoon: Snow showers likely. Cloudy, with a high near 35. Breezy, with a west wind around 20 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Snow Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Snow showers, mainly before 2am. Low around 26. West wind 13 to 16 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Snow Showers
    then Chance
    Snow Showers

  • Saturday

    Saturday: Partly sunny, with a high near 36. West wind 6 to 11 mph.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow showers after 1am. Low around 28. South wind 5 to 10 mph increasing to 11 to 16 mph after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Cloudy then
    Snow Showers

  • Sunday

    Sunday: Snow showers before 10am, then rain and snow showers between 10am and 1pm, then rain showers after 1pm. High near 42. South wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 10pm, then a chance of snow showers. Mostly cloudy, with a low around 24. West wind 15 to 17 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 24 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Monday

    Monday: Mostly cloudy, with a high near 30. Northwest wind 6 to 15 mph.

    High: 30 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of snow showers after 1am. Cloudy, with a low around 21. South wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 21 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: Snow showers likely, mainly before 1pm. Cloudy, with a high near 34. Chance of precipitation is 60%.

    High: 34 °F

    Snow Showers
    Likely

Detailed Forecast

This Afternoon
Snow showers likely. Cloudy, with a high near 35. Breezy, with a west wind around 20 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow showers, mainly before 2am. Low around 26. West wind 13 to 16 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
Partly sunny, with a high near 36. West wind 6 to 11 mph.
Saturday Night
Snow showers after 1am. Low around 28. South wind 5 to 10 mph increasing to 11 to 16 mph after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday
Snow showers before 10am, then rain and snow showers between 10am and 1pm, then rain showers after 1pm. High near 42. South wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of rain and snow showers before 10pm, then a chance of snow showers. Mostly cloudy, with a low around 24. West wind 15 to 17 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly cloudy, with a high near 30. Northwest wind 6 to 15 mph.
Monday Night
A chance of snow showers after 1am. Cloudy, with a low around 21. South wind 3 to 5 mph. Chance of precipitation is 30%.
Tuesday
Snow showers likely, mainly before 1pm. Cloudy, with a high near 34. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 32. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
A chance of snow showers. Mostly cloudy, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendon NY
 43°N 77.51°W (Elev. 545 ft)
Last Update:
1:34 pm EST Nov 28, 2025
Forecast Valid:
3pm EST Nov 28, 2025-6pm EST Dec 5, 2025
 
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