National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Overcast

72°F

22°C

Humidity 68%
Wind Speed SW 10 mph
Barometer 29.93 in (1013.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Aug 12:53 pm EDT
Extended Forecast for

Geneva NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 80. West wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 57. West wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 2pm. Partly sunny, with a high near 76. Light and variable wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Patchy fog after 2am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Showers likely after 2pm. Mostly sunny, with a high near 82. South wind 6 to 8 mph. Chance of precipitation is 60%.

    High: 82 °F

    Sunny then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 61. South wind around 7 mph. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 80. West wind around 9 mph. Chance of precipitation is 60%. 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 between 8pm and 9pm. Partly cloudy, with a low around 57. West wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers before 2pm. Partly sunny, with a high near 76. Light and variable wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
Patchy fog after 2am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 55. Calm wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 78. Light and variable wind.
Friday Night
Mostly clear, with a low around 59. Light and variable wind.
Saturday
Showers likely after 2pm. Mostly sunny, with a high near 82. South wind 6 to 8 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 61. South wind around 7 mph. Chance of precipitation is 60%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 57. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
Monday Night
A chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Geneva NY
 42.87°N 77°W (Elev. 568 ft)
Last Update:
9:58 am EDT Aug 19, 2026
Forecast Valid:
1pm EDT Aug 19, 2026-6pm EDT Aug 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