National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Partly Cloudy

73°F

23°C

Humidity 69%
Wind Speed S 8 G 15 mph
Barometer 30.01 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 22 May 7:15 pm EDT
Extended Forecast for

Erwin TN

Wind Advisory May 22, 08:00pm until May 23, 08:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers likely. Low around 63. Southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 80. South wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm. Low around 64. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: 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 82. Calm wind becoming south around 5 mph. Chance of precipitation is 90%.

    High: 82 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 64. Calm wind. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Memorial Day

    Memorial Day: Showers likely, then showers and possibly a thunderstorm after 11am. High near 80. Calm wind. Chance of precipitation is 90%.

    High: 80 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 65. Calm wind. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 8am. High near 79. Chance of precipitation is 100%.

    High: 79 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms before 2am, then showers likely. Low around 63. Southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm. High near 80. South wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm. Low around 64. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
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 82. Calm wind becoming south around 5 mph. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 64. Calm wind. Chance of precipitation is 80%.
Memorial Day
Showers likely, then showers and possibly a thunderstorm after 11am. High near 80. Calm wind. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 65. Calm wind. Chance of precipitation is 80%.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 8am. High near 79. Chance of precipitation is 100%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 80. Chance of precipitation is 90%.
Wednesday Night
Showers and thunderstorms. Low around 64. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 90%.
Thursday Night
Showers and thunderstorms. Low around 63. Chance of precipitation is 80%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Erwin TN
 36.14°N 82.42°W (Elev. 1726 ft)
Last Update:
7:06 pm EDT May 22, 2026
Forecast Valid:
7pm EDT May 22, 2026-6pm EDT May 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation