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

32°F

0°C

Humidity 100%
Wind Speed Calm
Barometer 29.96 in (1015.6 mb)
Dewpoint 32°F (0°C)
Visibility 0.25 mi
Last update 18 Feb 2:53 am EST
Extended Forecast for

Crystal Spring NY

Dense Fog Advisory until February 18, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 18, 08:00am

    NOW until 8:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 31 °F

    Slight Chance
    Showers and
    Areas Dense
    Fog

  • Wednesday

    Wednesday: Showers, mainly after 8am. Areas of dense fog before 8am. High near 37. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 37 °F

    Showers and
    Areas Dense
    Fog

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 30. North wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 43. Calm wind becoming southeast around 6 mph in the morning.

    High: 43 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Cloudy, with a low around 32. Southeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 32 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers. High near 43. Chance of precipitation is 80%.

    High: 43 °F

    Showers

  • Friday Night

    Friday Night: A chance of rain showers, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of showers. Areas of dense fog. Otherwise, cloudy, with a low around 31. Calm wind. Chance of precipitation is 20%.
Wednesday
Showers, mainly after 8am. Areas of dense fog before 8am. High near 37. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 30. North wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly cloudy, with a high near 43. Calm wind becoming southeast around 6 mph in the morning.
Thursday Night
Showers likely, mainly after 1am. Cloudy, with a low around 32. Southeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday
Showers. High near 43. Chance of precipitation is 80%.
Friday Night
A chance of rain showers, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Partly sunny, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Spring NY
 42.48°N 77.07°W (Elev. 1250 ft)
Last Update:
1:18 am EST Feb 18, 2026
Forecast Valid:
3am EST Feb 18, 2026-6pm EST Feb 24, 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