Isolated Severe Storms in the Midwest; Fire Weather Concerns in the Northern Plains; Record Heat in the West

Isolated severe storms are possible across parts of the Florida Peninsula and the Great Lakes to Lower Missouri Valley and south-central Plains late this afternoon and early evening. Elevated to critical fire weather concerns continue over much of the northern Great Plains. Above average temperatures persist across portions of the West today. Read More >

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fair

66°F

19°C

Humidity 28%
Wind Speed NE 6 mph
Barometer 30.21 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 12 May 12:15 pm EDT
Extended Forecast for

Greeneville TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. Calm wind becoming west around 5 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Calm wind becoming south around 5 mph after midnight.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 74. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am.  Partly cloudy, with a low around 46. West wind around 5 mph becoming calm  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 66. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74. Calm wind.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 82.

    High: 82 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 74. Calm wind becoming west around 5 mph.
Tonight
Mostly clear, with a low around 51. Calm wind becoming south around 5 mph after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 74. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 46. West wind around 5 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 66. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 74. Calm wind.
Friday Night
Mostly clear, with a low around 54.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 82.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 59.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sunday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Greeneville TN
 36.15°N 82.81°W (Elev. 1499 ft)
7:06 am EDT May 12, 2026
12pm EDT May 12, 2026-6pm EDT May 18, 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