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

29°F

-2°C

Humidity 75%
Wind Speed Calm
Barometer 30.33 in (1028.3 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 15 Mar 5:53 am EDT
Extended Forecast for

Altay NY

Wind Advisory March 15, 05:00pm until March 16, 08:00am
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: Light snow likely, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 47. Breezy, with a south wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 47 °F

    Light Snow
    Likely then
    Partly Sunny
    and Breezy

  • Tonight

    Tonight: A chance of showers, mainly before 4am. Mostly cloudy, with a low around 42. Breezy, with a south wind around 25 mph, with gusts as high as 47 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 59. Breezy, with a south wind 16 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 59 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Rain showers before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers after 10pm. Some thunder is also possible. Low around 18. West wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.

    Low: 18 °F

    Rain/Snow
    then Snow
    Showers

  • Tuesday

    Tuesday: A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 23. Breezy, with a west wind 18 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.

    High: 23 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers before 2am. Mostly cloudy, with a low around 12. Chance of precipitation is 20%.

    Low: 12 °F

    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

Detailed Forecast

Today
Light snow likely, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 47. Breezy, with a south wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of showers, mainly before 4am. Mostly cloudy, with a low around 42. Breezy, with a south wind around 25 mph, with gusts as high as 47 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 59. Breezy, with a south wind 16 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Rain showers before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers after 10pm. Some thunder is also possible. Low around 18. West wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.
Tuesday
A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 23. Breezy, with a west wind 18 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Tuesday Night
A slight chance of snow showers before 2am. Mostly cloudy, with a low around 12. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
A chance of showers. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
Friday Night
Rain and snow showers likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Saturday
Rain and snow showers likely. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altay NY
 42.43°N 77.01°W (Elev. 1545 ft)
Last Update:
4:57 am EDT Mar 15, 2026
Forecast Valid:
6am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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