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.

Fair

89°F

32°C

Humidity 48%
Wind Speed SW 9 mph
Barometer 30.00 in (1015.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 12 Jul 2:53 pm EDT
Extended Forecast for

Glenora NY

Heat Advisory July 12, 03:30pm until July 12, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 12, 03:30pm until July 12, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 72. South wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 89. Heat index values as high as 99. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    T-storms
    Likely then
    Showers
    Likely

  • Monday

    Monday: A chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm. Mostly sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 91. Heat index values as high as 99. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 72. South wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 89. Heat index values as high as 99. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm. Mostly sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Glenora NY
 42.51°N 76.91°W (Elev. 449 ft)
Last Update:
11:42 am EDT Jul 12, 2025
Forecast Valid:
3pm EDT Jul 12, 2025-6pm EDT Jul 18, 2025
 
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