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.

Fog/Mist

32°F

0°C

Humidity 96%
Wind Speed N 3 mph
Barometer 29.83 in (1011.1 mb)
Dewpoint 31°F (-1°C)
Visibility 2.00 mi
Last update 18 Feb 11:53 pm EST
Extended Forecast for

2 Miles WNW Glen Grove NY

Dense Fog Advisory until February 19, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 19, 09:00am

    NOW until 9:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 33 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 45. Calm wind becoming south around 6 mph in the afternoon.

    High: 45 °F

    Cloudy

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 33. South wind 6 to 10 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday

    Friday: Showers. High near 42. Southeast wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers before 1am. Mostly cloudy, with a low around 31. West wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.

    High: 36 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow showers. Mostly cloudy, with a high near 34. Chance of precipitation is 50%.

    High: 34 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Cloudy, with a low around 33. Light north wind.
Thursday
Cloudy, with a high near 45. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 33. South wind 6 to 10 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers. High near 42. Southeast wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 31. West wind 8 to 10 mph. Chance of precipitation is 30%.
Saturday
A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 34. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Monday
A chance of snow showers before 1pm. Partly sunny, with a high near 30. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
A chance of snow showers. Partly sunny, with a high near 37. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Glen Grove NY
 42.45°N 77.22°W (Elev. 1512 ft)
Last Update:
5:32 pm EST Feb 18, 2026
Forecast Valid:
12am EST Feb 19, 2026-6pm EST Feb 25, 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