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

Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Mostly Cloudy

73°F

23°C

Humidity 78%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 15 Oct 8:15 pm EDT
Extended Forecast for

Erwin TN

  • Tonight

    Tonight: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers, mainly after 5pm. Sunny, with a high near 81. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 81 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    Friday Night: Showers, mainly before midnight. Low around 44. Northwest wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 54. North wind around 10 mph, with gusts as high as 25 mph.

    High: 54 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 34. North wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 64. Calm wind becoming east around 5 mph.

    High: 64 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. Southeast wind around 5 mph becoming calm after midnight.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 63. Calm wind.
Friday
A 30 percent chance of showers, mainly after 5pm. Sunny, with a high near 81. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Showers, mainly before midnight. Low around 44. Northwest wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 30 percent chance of showers before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 54. North wind around 10 mph, with gusts as high as 25 mph.
Saturday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 34. North wind around 5 mph becoming calm in the evening.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 64. Calm wind becoming east around 5 mph.
Sunday Night
Clear, with a low around 37. Southeast wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Clear, with a low around 46.
Thursday
Sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Erwin TN
 36.14°N 82.42°W (Elev. 1726 ft)
Last Update:
7:06 pm EDT Oct 15, 2026
Forecast Valid:
8pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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