Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fair

36°F

2°C

Humidity 75%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 10 Dec 12:15 am EST
Extended Forecast for

Erwin TN

  • Overnight

    Overnight: Partly cloudy, with a low around 31. Southeast wind around 5 mph.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 2pm, then a chance of showers after 3pm.  Partly sunny, with a high near 52. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 30%.

    High: 52 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 10pm, then a chance of snow showers after 10pm.  Mostly cloudy, with a low around 27. Northwest wind 10 to 15 mph, with gusts as high as 40 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 36. West wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 36 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. West wind around 5 mph becoming calm.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 51. West wind around 5 mph.

    High: 51 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. West wind around 5 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly after 1am.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 31. Southeast wind around 5 mph.
Wednesday
A slight chance of showers before 2pm, then a chance of showers after 3pm. Partly sunny, with a high near 52. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 10pm, then a chance of snow showers after 10pm. Mostly cloudy, with a low around 27. Northwest wind 10 to 15 mph, with gusts as high as 40 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly cloudy, with a high near 36. West wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 25. West wind around 5 mph becoming calm.
Friday
Partly sunny, with a high near 51. West wind around 5 mph.
Friday Night
Partly cloudy, with a low around 35. West wind around 5 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 35.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Sunny, with a high near 44.
Monday Night
A slight chance of freezing rain. Partly cloudy, with a low around 28. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Erwin TN
 36.14°N 82.42°W (Elev. 1726 ft)
12:06 am EST Dec 10, 2025
12am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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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