Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Light Rain

42°F

6°C

Humidity 73%
Wind Speed Calm
Barometer 30.04 in (1017.5 mb)
Dewpoint 34°F (1°C)
Visibility 7.00 mi
Last update 1 Dec 8:53 pm EST
Extended Forecast for

6 Miles ESE Greenback TN

  • Tonight

    Tonight: Rain.  Patchy fog before midnight, then patchy fog after 2am. Low around 41. Calm wind becoming southwest around 5 mph after midnight.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain likely, mainly before 10am.  Patchy fog before noon.  Otherwise, cloudy, with a high near 45. Calm wind becoming north around 5 mph in the morning.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain Likely
    and Patchy
    Fog then
    Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 26. North wind around 5 mph becoming calm  after midnight.

    Low: 26 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 49. Calm wind.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 48. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 48 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 1am.  Cloudy, with a low around 33. Northeast wind around 5 mph becoming calm.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A 50 percent chance of rain.  Cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain.  Cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Tonight
Rain. Patchy fog before midnight, then patchy fog after 2am. Low around 41. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain likely, mainly before 10am. Patchy fog before noon. Otherwise, cloudy, with a high near 45. Calm wind becoming north around 5 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 26. North wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 49. Calm wind.
Wednesday Night
Partly cloudy, with a low around 31. Calm wind.
Thursday
Mostly cloudy, with a high near 48. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of rain after 1am. Cloudy, with a low around 33. Northeast wind around 5 mph becoming calm.
Friday
A 50 percent chance of rain. Cloudy, with a high near 47.
Friday Night
A 50 percent chance of rain. Cloudy, with a low around 38.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 51.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 54.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Greenback TN
 35.61°N 84.09°W (Elev. 863 ft)
6:06 pm EST Dec 1, 2025
9pm EST Dec 1, 2025-6pm EST Dec 8, 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