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 >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 17 Aug 10:55 pm EDT
Extended Forecast for

5 Miles NNE Chuckey TN

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before midnight.  Mostly cloudy, with a low around 68. West wind around 5 mph.

    Low: 68 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 84. Northwest wind around 5 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 87 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm.

    Low: 66 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 68. West wind around 5 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 84. Northwest wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph.
Wednesday Night
Mostly clear, with a low around 66. Calm wind.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Sunday
A 10 percent chance of showers. Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 60.
Monday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Chuckey TN
 36.3°N 82.68°W (Elev. 1798 ft)
8:11 pm EDT Aug 17, 2026
11pm 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