Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Canandaigua Airport (KIUA)

Lat: 42.91°NLon: 77.33°WElev: 814ft.

26°F

-3°C

Humidity 89%
Wind Speed NW 9 mph
Barometer 30.12 in
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill17°F (-8°C)
Last update 7 Dec 9:35 pm EST
Extended Forecast for

Ionia NY

  • Tonight

    Tonight: A chance of snow, mainly before 1am.  Mostly cloudy, with a low around 12. Northwest wind 9 to 11 mph.  Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 12 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 21. North wind around 6 mph.

    High: 21 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8. South wind 3 to 7 mph.

    Low: 8 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow showers after 1pm.  Mostly cloudy, with a high near 32. South wind 9 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Snow showers before 4am, then rain and snow showers.  Low around 29. Southwest wind 10 to 16 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Chance Snow
    Showers then
    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 1pm.  High near 40. Southwest wind 15 to 17 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 1am, then a chance of snow.  Cloudy, with a low around 24. West wind 13 to 16 mph.  Chance of precipitation is 60%.

    Low: 24 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow showers after 1pm.  Mostly cloudy, with a high near 29. West wind around 11 mph.  Chance of precipitation is 40%.

    High: 29 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Thursday Night

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

    Low: 21 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 12. Northwest wind 9 to 11 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 21. North wind around 6 mph.
Monday Night
Partly cloudy, with a low around 8. South wind 3 to 7 mph.
Tuesday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 32. South wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow showers before 4am, then rain and snow showers. Low around 29. Southwest wind 10 to 16 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 1pm. High near 40. Southwest wind 15 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain and snow likely before 1am, then a chance of snow. Cloudy, with a low around 24. West wind 13 to 16 mph. Chance of precipitation is 60%.
Thursday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 29. West wind around 11 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 50%.
Saturday
Snow showers likely. Mostly cloudy, with a high near 24. Chance of precipitation is 60%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 14. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Ionia NY
 42.94°N 77.49°W (Elev. 935 ft)
9:36 pm EST Dec 7, 2025
10pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database