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

Hazardous Weather Conditions

Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Mostly Cloudy

40°F

4°C

Humidity 89%
Wind Speed S 17 mph
Barometer 29.28 in (991.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 29 Dec 4:53 am EST
Extended Forecast for

Waterloo NYSimilar City Names

Wind Advisory December 29, 10:00am until December 30, 07:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Showers. Steady temperature around 44. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Showers

  • Monday

    Monday: Rain showers likely before noon, then a chance of snow showers after 3pm. Mostly cloudy, with a temperature falling to around 29 by 5pm. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 44 °F⇓

    Showers
    Likely then
    Chance Snow
    Showers and
    Breezy

  • Monday Night

    Monday Night: Snow showers, mainly after 7pm. Widespread blowing snow, mainly after 1am. Low around 19. Breezy, with a west wind around 24 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.

    Low: 19 °F

    Snow Showers
    and Blowing
    Snow

  • Tuesday

    Tuesday: A chance of snow showers. Mostly cloudy, with a high near 25. Breezy, with a west wind 21 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    High: 25 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 22. West wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    Low: 22 °F

    Slight Chance
    Snow Showers
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Snow showers. High near 30. Chance of precipitation is 90%.

    High: 30 °F

    Snow Showers
    Likely then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 60%.

    Low: 13 °F

    Snow Showers
    Likely

  • New Year's Day

    New Year's Day: A chance of snow showers before 1pm. Partly sunny, with a high near 21. Chance of precipitation is 30%.

    High: 21 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers. Steady temperature around 44. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain showers likely before noon, then a chance of snow showers after 3pm. Mostly cloudy, with a temperature falling to around 29 by 5pm. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Snow showers, mainly after 7pm. Widespread blowing snow, mainly after 1am. Low around 19. Breezy, with a west wind around 24 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 25. Breezy, with a west wind 21 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
Tuesday Night
A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 22. West wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Wednesday
Snow showers. High near 30. Chance of precipitation is 90%.
Wednesday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 60%.
New Year's Day
A chance of snow showers before 1pm. Partly sunny, with a high near 21. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 22.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Partly sunny, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 14.
Sunday
Partly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo NYSimilar City Names
 42.9°N 76.87°W (Elev. 499 ft)
Last Update:
4:57 am EST Dec 29, 2025
Forecast Valid:
5am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation