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

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

70°F

21°C

Humidity 94%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 19 Aug 2:15 am EDT
Extended Forecast for

5 Miles NNE Allenstand NC

  • Overnight

    Overnight: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, sunny, with a high near 78. Calm wind becoming north around 5 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Calm wind becoming southeast around 5 mph after midnight.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 78. South wind around 5 mph becoming west in the morning.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then a chance of showers after 11pm.  Partly cloudy, with a low around 62. Northwest wind around 5 mph becoming southeast after midnight.  Chance of precipitation is 40%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 77. Southeast wind around 5 mph becoming west in the afternoon.  Chance of precipitation is 80%.

    High: 77 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am.  Low around 60. Southwest wind around 5 mph becoming southeast in the evening.  Chance of precipitation is 80%.

    Low: 60 °F

    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 8am.  Mostly sunny, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 60. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 78. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 62. Calm wind becoming southeast around 5 mph after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. South wind around 5 mph becoming west in the morning.
Thursday Night
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Partly cloudy, with a low around 62. Northwest wind around 5 mph becoming southeast after midnight. Chance of precipitation is 40%.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 77. Southeast wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 60. Southwest wind around 5 mph becoming southeast in the evening. Chance of precipitation is 80%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 59.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 56.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Allenstand NC
 36.03°N 82.74°W (Elev. 3186 ft)
1:06 am EDT Aug 19, 2026
2am EDT Aug 19, 2026-6pm EDT Aug 25, 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