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.

Overcast

34°F

1°C

Humidity 89%
Wind Speed NW 7 mph
Barometer 29.82 in (1011.3 mb)
Dewpoint 31°F (-1°C)
Visibility 9.00 mi
Wind Chill28°F (-2°C)
Last update 22 Jan 12:54 am EST
Extended Forecast for

Portageville NY

Lake Effect Snow Warning until January 23, 01:00pm
Click here for hazard details and duration
Lake Effect Snow Warning
  •  
    Lake Effect Snow Warning until January 23, 01:00pm

    NOW until 1:00pm Fri

    Lake Effect Snow Warning

  • Overnight

    Low: 22 °F

    Heavy Snow

  • Thursday

    Thursday: Snow showers likely before 8am, then snow between 8am and 10am, then snow showers likely after 10am. Patchy blowing snow between 9am and 3pm. High near 28. Breezy, with a west wind 13 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 28 °F

    Snow and
    Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 6. Wind chill values as low as -5. Southwest wind 14 to 16 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    Low: 6 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly between 1pm and 2pm. Patchy blowing snow between 11am and 4pm. Mostly cloudy, with a high near 14. Wind chill values as low as -15. Breezy, with a west wind 17 to 22 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 14 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Friday Night

    Friday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around -5. West wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: -5 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 7. Northwest wind 3 to 6 mph.

    High: 7 °F

    Cold

  • Saturday Night

    Saturday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around -1. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 40%.

    Low: -1 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: Snow showers. High near 13. East wind 6 to 8 mph. Chance of precipitation is 80%.

    High: 13 °F

    Snow Showers

Detailed Forecast

Overnight
Snow before 3am, then a chance of snow showers after 5am. The snow could be heavy at times. Low around 22. West wind around 17 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.
Thursday
Snow showers likely before 8am, then snow between 8am and 10am, then snow showers likely after 10am. Patchy blowing snow between 9am and 3pm. High near 28. Breezy, with a west wind 13 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 6. Wind chill values as low as -5. Southwest wind 14 to 16 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Friday
Snow showers likely, mainly between 1pm and 2pm. Patchy blowing snow between 11am and 4pm. Mostly cloudy, with a high near 14. Wind chill values as low as -15. Breezy, with a west wind 17 to 22 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around -5. West wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny and cold, with a high near 7. Northwest wind 3 to 6 mph.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around -1. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 40%.
Sunday
Snow showers. High near 13. East wind 6 to 8 mph. Chance of precipitation is 80%.
Sunday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 5. Chance of precipitation is 70%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 15. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 3.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 16. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 6.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 19. Chance of precipitation is 40%.
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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:
12:36 am EST Jan 22, 2026
Forecast Valid:
1am EST Jan 22, 2026-6pm EST Jan 28, 2026
 
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