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

Dansville, Dansville Municipal Airport (KDSV)

Lat: 42.57°NLon: 77.71°WElev: 659ft.

Fair

5°F

-15°C

Humidity 66%
Wind Speed SE 12 mph
Barometer 30.18 in (1024.4 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill-11°F (-24°C)
Last update 9 Dec 5:54 am EST
Extended Forecast for

Geneseo NY

  • Today

    Today: A chance of snow, mainly between 2pm and 4pm. Increasing clouds, with a high near 29. South wind 7 to 15 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.

    High: 29 °F

    Partly Sunny
    then Chance
    Snow

  • Tonight

    Tonight: Snow likely, mainly after 5am. Mostly cloudy, with a low around 27. South wind 10 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Mostly Cloudy
    then Snow
    Likely

  • Wednesday

    Wednesday: Rain and snow before 1pm, then rain between 1pm and 4pm, then rain and snow after 4pm. High near 39. 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: 39 °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. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 28. West wind around 15 mph. Chance of precipitation is 60%.

    High: 28 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 20. West wind around 10 mph. Chance of precipitation is 40%.

    Low: 20 °F

    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers after 1pm. Mostly cloudy, with a high near 30. West wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 30 °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 6 to 9 mph. Chance of precipitation is 60%.

    Low: 20 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.

    High: 28 °F

    Snow Showers
    Likely

Detailed Forecast

Today
A chance of snow, mainly between 2pm and 4pm. Increasing clouds, with a high near 29. South wind 7 to 15 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly after 5am. Mostly cloudy, with a low around 27. South wind 10 to 14 mph. Chance of precipitation is 60%. 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 39. 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. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 28. West wind around 15 mph. Chance of precipitation is 60%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 20. West wind around 10 mph. Chance of precipitation is 40%.
Friday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 30. West wind 8 to 10 mph. Chance of precipitation is 30%.
Friday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 20. Southwest wind 6 to 9 mph. Chance of precipitation is 60%.
Saturday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Saturday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 60%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 11.
Monday
A chance of snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Geneseo NY
 42.79°N 77.81°W (Elev. 892 ft)
Last Update:
3:36 am EST Dec 9, 2025
Forecast Valid:
6am 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