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 >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Light Rain

40°F

4°C

Humidity 86%
Wind Speed N 3 mph
Barometer 30.01 in (1016.7 mb)
Dewpoint 36°F (2°C)
Visibility 7.00 mi
Last update 1 Dec 9:53 pm EST
Extended Forecast for

3 Miles SSE Tallassee TN

Wind Advisory December 1, 11:00pm until December 2, 06:00am
Click here for hazard details and duration
Wind Advisory
  • Tonight

    Tonight: Rain.  Patchy fog between midnight and 5am. Steady temperature around 44. Southeast wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain, mainly before 9am.  Patchy fog before noon. Temperature falling to around 37 by 5pm. North wind around 5 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Rain and
    Patchy Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 26. North wind 5 to 10 mph becoming light northeast  after midnight. Winds could gust as high as 20 mph.

    Low: 26 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 49. Calm wind becoming west around 5 mph.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Calm wind becoming south around 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 46. Calm wind becoming northwest around 5 mph.

    High: 46 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 1am.  Cloudy, with a low around 34. North wind around 5 mph becoming calm  in the evening.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A 50 percent chance of rain.  Cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am.  Cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

Detailed Forecast

Tonight
Rain. Patchy fog between midnight and 5am. Steady temperature around 44. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain, mainly before 9am. Patchy fog before noon. Temperature falling to around 37 by 5pm. North wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 26. North wind 5 to 10 mph becoming light northeast after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 49. Calm wind becoming west around 5 mph.
Wednesday Night
Partly cloudy, with a low around 33. Calm wind becoming south around 5 mph.
Thursday
Mostly cloudy, with a high near 46. Calm wind becoming northwest around 5 mph.
Thursday Night
A 30 percent chance of rain after 1am. Cloudy, with a low around 34. North wind around 5 mph becoming calm in the evening.
Friday
A 50 percent chance of rain. Cloudy, with a high near 46.
Friday Night
Rain likely, mainly before 1am. Cloudy, with a low around 38. Chance of precipitation is 60%.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 49.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 51.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 47.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Tallassee TN
 35.51°N 83.93°W (Elev. 1939 ft)
6:06 pm EST Dec 1, 2025
10pm 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