Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Fort Drum / Wheeler-Sack U. S. Army Airfield (KGTB)

Lat: 44.05°NLon: 75.73°WElev: 679ft.

Overcast

69°F

21°C

Humidity 89%
Wind Speed Calm
Barometer 29.85 in (1010.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 17 Aug 8:55 pm EDT
Extended Forecast for

3 Miles SSW Theresa NY

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 58. North wind 3 to 6 mph.

    Low: 58 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. South wind 3 to 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm.  High near 75. Southwest wind 6 to 9 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm.  Partly cloudy, with a low around 55. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. Light south wind.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 58. North wind 3 to 6 mph.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 60. South wind 3 to 5 mph.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 75. Southwest wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 55. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 76. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 53. Light south wind.
Friday
Sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 56.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Theresa NY
 44.19°N 75.81°W (Elev. 400 ft)
9:25 pm EDT Aug 17, 2026
9pm EDT Aug 17, 2026-6pm EDT Aug 24, 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