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

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Fair

11°F

-12°C

Humidity 77%
Wind Speed SW 13 mph
Barometer 30.14 in (1022.8 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill-4°F (-20°C)
Last update 9 Dec 6:53 am EST
Extended Forecast for

3 Miles S Hall NY

  • Today

    Today: A slight chance of snow after 2pm.  Increasing clouds, with a high near 28. South wind 8 to 16 mph.  Chance of precipitation is 20%.

    High: 28 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tonight

    Tonight: A chance of snow, mainly after 5am.  Cloudy, with a temperature rising to around 31 by 4am. South wind 11 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 24 °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 38. South wind around 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow likely before 7pm, then a chance of snow showers after 7pm.  Mostly cloudy, with a low around 21. West wind around 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow showers, mainly after 1pm.  Mostly cloudy, with a high near 27. West wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%.

    High: 27 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers.  Mostly cloudy, with a low around 20. West wind 10 to 13 mph.  Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 29. West wind around 10 mph.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow showers.  Mostly cloudy, with a low around 20. Southwest wind 7 to 9 mph.  Chance of precipitation is 50%.

    Low: 20 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers.  Mostly cloudy, with a high near 27. Chance of precipitation is 40%.

    High: 27 °F

    Chance Snow
    Showers

Detailed Forecast

Today
A slight chance of snow after 2pm. Increasing clouds, with a high near 28. South wind 8 to 16 mph. Chance of precipitation is 20%.
Tonight
A chance of snow, mainly after 5am. Cloudy, with a temperature rising to around 31 by 4am. South wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
Rain and snow before 1pm, then rain likely between 1pm and 4pm, then rain and snow likely after 4pm. High near 38. South wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely before 7pm, then a chance of snow showers after 7pm. Mostly cloudy, with a low around 21. West wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow showers, mainly after 1pm. Mostly cloudy, with a high near 27. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 20. West wind 10 to 13 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 29. West wind around 10 mph.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Southwest wind 7 to 9 mph. Chance of precipitation is 50%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.
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 22. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 12.
Monday
Mostly cloudy, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Hall NY
 42.79°N 77.07°W (Elev. 928 ft)
6:36 am EST Dec 9, 2025
7am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
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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