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

0°F

-18°C

Humidity 84%
Wind Speed Calm
Barometer 30.16 in
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Last update 9 Dec 4:15 am EST
Extended Forecast for

Ionia NY

  • Today

    Today: A chance of snow, mainly between 2pm and 4pm.  Increasing clouds, with a high near 29. South wind 8 to 15 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 29 °F

    Partly Sunny
    then Chance
    Snow

  • Tonight

    Tonight: A chance of snow, mainly after 4am.  Mostly cloudy, with a low around 27. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Rain and snow before 1pm, then rain between 1pm and 4pm, then rain and snow after 4pm.  High near 38. South wind around 14 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow showers, possibly mixed with rain, becoming all snow after 10pm.  Low around 21. West wind around 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: A chance of snow showers.  Mostly cloudy, with a high near 27. West wind 14 to 16 mph.  Chance of precipitation is 50%.

    High: 27 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers.  Mostly cloudy, with a low around 21. West wind 10 to 13 mph.  Chance of precipitation is 40%.

    Low: 21 °F

    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers after 1pm.  Mostly cloudy, with a high near 29. West wind 9 to 11 mph.  Chance of precipitation is 30%.

    High: 29 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Snow showers likely, mainly after 1am.  Mostly cloudy, with a low around 20. Southwest wind 7 to 10 mph.  Chance of precipitation is 60%.

    Low: 20 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: A chance of snow showers.  Mostly cloudy, with a high near 27. Chance of precipitation is 50%.

    High: 27 °F

    Chance Snow
    Showers

Detailed Forecast

Today
A chance of snow, mainly between 2pm and 4pm. Increasing clouds, with a high near 29. South wind 8 to 15 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
A chance of snow, mainly after 4am. Mostly cloudy, with a low around 27. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow before 1pm, then rain between 1pm and 4pm, then rain and snow after 4pm. High near 38. South wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers, possibly mixed with rain, becoming all snow after 10pm. Low around 21. West wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 27. West wind 14 to 16 mph. Chance of precipitation is 50%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 21. West wind 10 to 13 mph. Chance of precipitation is 40%.
Friday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 29. West wind 9 to 11 mph. Chance of precipitation is 30%.
Friday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 20. Southwest wind 7 to 10 mph. Chance of precipitation is 60%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 27. 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 23. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Ionia NY
 42.94°N 77.49°W (Elev. 935 ft)
3:36 am EST Dec 9, 2025
5am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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