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

14°F

-10°C

Humidity 80%
Wind Speed NE 5 mph
Barometer 30.24 in (1025.7 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 26 Dec 4:53 am EST
Extended Forecast for

Willow Grove NY

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 before 5pm, then snow, possibly mixed with sleet. The snow could be heavy at times. High near 26. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. Total daytime snow and sleet accumulation of around 3 inches.

    High: 26 °F

    Chance Snow
    then
    Snow/Sleet

  • Tonight

    Tonight: Snow and sleet before 11pm, then a slight chance of snow between 11pm and midnight. Low around 24. Southeast wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow and sleet accumulation of around an inch possible.

    Low: 24 °F

    Snow/Sleet
    then Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 30. Light and variable wind becoming north around 5 mph.

    High: 30 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21. Calm wind becoming south around 5 mph after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely after 1pm. Cloudy, with a high near 38. South wind 6 to 9 mph. Chance of precipitation is 70%.

    High: 38 °F

    Mostly Cloudy
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain. Low around 38. Chance of precipitation is 90%.

    Low: 38 °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 between 7pm and 1am. Cloudy, with a low around 19. Breezy. Chance of precipitation is 60%.

    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 30%.

    High: 25 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Today
Snow before 5pm, then snow, possibly mixed with sleet. The snow could be heavy at times. High near 26. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. Total daytime snow and sleet accumulation of around 3 inches.
Tonight
Snow and sleet before 11pm, then a slight chance of snow between 11pm and midnight. Low around 24. Southeast wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow and sleet accumulation of around an inch possible.
Saturday
Mostly cloudy, with a high near 30. Light and variable wind becoming north around 5 mph.
Saturday Night
Mostly cloudy, with a low around 21. Calm wind becoming south around 5 mph after midnight.
Sunday
Rain likely after 1pm. Cloudy, with a high near 38. South wind 6 to 9 mph. Chance of precipitation is 70%.
Sunday Night
Rain. Low around 38. 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 between 7pm and 1am. Cloudy, with a low around 19. Breezy. Chance of precipitation is 60%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 25. Breezy. Chance of precipitation is 30%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 26. 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:
Willow Grove NY
 42.61°N 77.07°W (Elev. 784 ft)
Last Update:
5:04 am EST Dec 26, 2025
Forecast Valid:
5am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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