Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Fulton, Oswego County Airport (KFZY)

Lat: 43.35°NLon: 76.39°WElev: 476ft.

Fog/Mist

64°F

18°C

Humidity 96%
Wind Speed Calm
Barometer 29.95 in (1014.0 mb)
Dewpoint 63°F (17°C)
Visibility 6.00 mi
Last update 20 Aug 12:54 am EDT
Extended Forecast for

5 Miles NNW Pennellville NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 58. Southwest wind 3 to 5 mph.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.

    High: 76 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Patchy fog after 11pm.  Otherwise, mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, sunny, with a high near 80. Calm wind.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 82. Southeast wind 5 to 7 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am.  Low around 60. Southeast wind 3 to 5 mph.  Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 77. West wind 6 to 9 mph.  Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 58. Southwest wind 3 to 5 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 52. Calm wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 80. Calm wind.
Friday Night
Mostly clear, with a low around 57. Light and variable wind.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Southeast wind 5 to 7 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 60. Southeast wind 3 to 5 mph. Chance of precipitation is 80%.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. West wind 6 to 9 mph. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Pennellville NY
 43.32°N 76.28°W (Elev. 413 ft)
9:57 pm EDT Aug 19, 2026
1am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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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