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

Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Overcast

55°F

13°C

Humidity 88%
Wind Speed W 12 mph
Barometer 29.88 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 6 Jan 11:15 pm EST
Extended Forecast for

Erwin TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. West wind around 5 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61. West wind around 5 mph.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 64. Calm wind becoming south around 5 mph in the afternoon.

    High: 64 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 54. South wind around 5 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 1pm. Cloudy, with a high near 68. South wind around 5 mph. Chance of precipitation is 60%.

    High: 68 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 56. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 90%.

    Low: 56 °F

    Showers

  • Saturday

    Saturday: Showers. High near 63. Chance of precipitation is 90%.

    High: 63 °F

    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. West wind around 5 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 61. West wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 41. Calm wind.
Thursday
Partly sunny, with a high near 64. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 54. South wind around 5 mph, with gusts as high as 20 mph.
Friday
Showers likely, mainly after 1pm. Cloudy, with a high near 68. South wind around 5 mph. Chance of precipitation is 60%.
Friday Night
Showers. Low around 56. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 90%.
Saturday
Showers. High near 63. Chance of precipitation is 90%.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 35.
Sunday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 42.
Sunday Night
A 20 percent chance of snow showers. Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Erwin TN
 36.14°N 82.42°W (Elev. 1726 ft)
Last Update:
6:06 pm EST Jan 6, 2026
Forecast Valid:
11pm EST Jan 6, 2026-6pm EST Jan 13, 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