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.

Overcast

17°F

-8°C

Humidity 77%
Wind Speed E 3 mph
Barometer 30.17 in (1023.4 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 26 Dec 9:53 am EST
Extended Forecast for

Waterloo NYSimilar City Names

Winter Weather Advisory December 26, 01:00pm until December 27, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Snow, mainly after 1pm. The snow could be heavy at times. High near 25. Southeast wind 6 to 9 mph. Chance of precipitation is 90%. Total daytime snow accumulation of around 4 inches.

    High: 25 °F

    Chance Snow
    then Heavy
    Snow

  • Tonight

    Tonight: Snow, mainly before 1am. Low around 23. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.

    Low: 23 °F

    Snow then
    Slight Chance
    Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 30. Light north wind.

    High: 30 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20. Light and variable wind.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 4pm. Cloudy, with a high near 38. Southeast wind 6 to 9 mph. Chance of precipitation is 60%.

    High: 38 °F

    Mostly Cloudy
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain. Low around 37. Chance of precipitation is 90%.

    Low: 37 °F

    Rain

  • Monday

    Monday: Rain before 5pm, then a chance of rain and snow. High near 42. Breezy. Chance of precipitation is 80%.

    High: 42 °F

    Rain then
    Rain/Snow and
    Breezy

  • Monday Night

    Monday Night: Snow showers likely, mainly after 7pm. Cloudy, with a low around 19. Breezy. Chance of precipitation is 70%.

    Low: 19 °F

    Snow Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: A chance of snow showers. Mostly cloudy, with a high near 25. Breezy. Chance of precipitation is 40%.

    High: 25 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Today
Snow, mainly after 1pm. The snow could be heavy at times. High near 25. Southeast wind 6 to 9 mph. Chance of precipitation is 90%. Total daytime snow accumulation of around 4 inches.
Tonight
Snow, mainly before 1am. Low around 23. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.
Saturday
Mostly cloudy, with a high near 30. Light north wind.
Saturday Night
Mostly cloudy, with a low around 20. Light and variable wind.
Sunday
Rain likely, mainly after 4pm. Cloudy, with a high near 38. Southeast wind 6 to 9 mph. Chance of precipitation is 60%.
Sunday Night
Rain. Low around 37. Chance of precipitation is 90%.
Monday
Rain before 5pm, then a chance of rain and snow. High near 42. Breezy. Chance of precipitation is 80%.
Monday Night
Snow showers likely, mainly after 7pm. Cloudy, with a low around 19. Breezy. Chance of precipitation is 70%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 25. Breezy. Chance of precipitation is 40%.
Tuesday Night
A chance of snow showers. Cloudy, with a low around 21. Chance of precipitation is 50%.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 25. Chance of precipitation is 40%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
New Year's Day
A chance of snow showers. Mostly cloudy, with a high near 21. Chance of precipitation is 30%.
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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:
6:21 am EST Dec 26, 2025
Forecast Valid:
10am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation