Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

A Few Clouds

64°F

18°C

Humidity 84%
Wind Speed S 5 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 21 Jun 12:53 am EDT
Extended Forecast for

2 Miles SSW Stanley NY

  • Overnight

    Overnight: A slight chance of showers and thunderstorms before 5am.  Mostly cloudy, with a low around 62. Southwest wind around 7 mph.  Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 7am.  Partly sunny, with a high near 86. Southwest wind 5 to 7 mph.  Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 74. South wind 8 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 8am.  Mostly sunny and hot, with a high near 92. Heat index values as high as 100. West wind 13 to 16 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    T-storms then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. West wind around 7 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 93. West wind 8 to 10 mph.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. West wind around 7 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93. West wind 8 to 11 mph.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms before 5am. Mostly cloudy, with a low around 62. Southwest wind around 7 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms after 7am. Partly sunny, with a high near 86. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 74. South wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 8am. Mostly sunny and hot, with a high near 92. Heat index values as high as 100. West wind 13 to 16 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 74. West wind around 7 mph.
Monday
Sunny and hot, with a high near 93. West wind 8 to 10 mph.
Monday Night
Mostly clear, with a low around 74. West wind around 7 mph.
Tuesday
Sunny and hot, with a high near 93. West wind 8 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Stanley NY
 42.79°N 77.13°W (Elev. 961 ft)
10:36 pm EDT Jun 20, 2025
1am EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
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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