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

Hazardous Weather Conditions

Current conditions at

Dansville, Dansville Municipal Airport (KDSV)

Lat: 42.57°NLon: 77.71°WElev: 659ft.

Fair

7°F

-14°C

Humidity 73%
Wind Speed S 6 mph
Barometer 30.37 in (1030.7 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-4°F (-20°C)
Last update 21 Jan 3:54 am EST
Extended Forecast for

Portageville NY

Winter Weather Advisory January 21, 12:00pm until January 22, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Snow showers, mainly after 1pm. Patchy blowing snow after 2pm. High near 31. Wind chill values as low as -5. South wind 11 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow Showers
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow showers. Low around 22. Southwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Snow Showers

  • Thursday

    Thursday: A chance of snow showers. Patchy blowing snow between 9am and 2pm. Partly sunny, with a high near 28. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 28 °F

    Chance Snow
    Showers and
    Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 8. West wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    Low: 8 °F

    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers. Partly sunny, with a high near 14. West wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 14 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around -6. West wind 6 to 11 mph. Chance of precipitation is 30%.

    Low: -6 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Partly sunny and cold, with a high near 6. Northwest wind 5 to 7 mph.

    High: 6 °F

    Cold

  • Saturday Night

    Saturday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around -5. Light and variable wind. Chance of precipitation is 30%.

    Low: -5 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: A chance of snow showers. Mostly cloudy, with a high near 12. Chance of precipitation is 40%.

    High: 12 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Snow showers, mainly after 1pm. Patchy blowing snow after 2pm. High near 31. Wind chill values as low as -5. South wind 11 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow showers. Low around 22. Southwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday
A chance of snow showers. Patchy blowing snow between 9am and 2pm. Partly sunny, with a high near 28. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 8. West wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Friday
A chance of snow showers. Partly sunny, with a high near 14. West wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Friday Night
A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around -6. West wind 6 to 11 mph. Chance of precipitation is 30%.
Saturday
Partly sunny and cold, with a high near 6. Northwest wind 5 to 7 mph.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around -5. Light and variable wind. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 12. Chance of precipitation is 40%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 1. Chance of precipitation is 30%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 15. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 5.
Tuesday
Partly sunny, with a high near 16.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portageville NY
 42.53°N 78.1°W (Elev. 1401 ft)
Last Update:
3:36 am EST Jan 21, 2026
Forecast Valid:
4am EST Jan 21, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation