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

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

31°F

-1°C

Humidity 92%
Wind Speed Calm
Barometer 30.19 in (1023.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 3 Dec 10:53 pm EST
Extended Forecast for

4 Miles ENE Tallassee TN

  • Tonight

    Tonight: Mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 45. Calm wind becoming north around 5 mph.

    High: 45 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain, mainly after 1am. Low around 37. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain, mainly before 3pm, then showers likely after 3pm. High near 44. Calm wind. Chance of precipitation is 90%.

    High: 44 °F

    Rain

  • Friday Night

    Friday Night: Showers likely, mainly before 7pm. Cloudy, with a low around 41. Calm wind. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly cloudy, with a high near 49. Calm wind becoming west around 5 mph.

    High: 49 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 10pm, then a chance of rain, mainly between 10pm and 1am. Mostly cloudy, with a low around 37. Calm wind. Chance of precipitation is 30%.

    Low: 37 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of rain before 10am, then a chance of showers, mainly after 1pm. Partly sunny, with a high near 48. Chance of precipitation is 30%.

    High: 48 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 33. Calm wind.
Thursday
Increasing clouds, with a high near 45. Calm wind becoming north around 5 mph.
Thursday Night
Rain, mainly after 1am. Low around 37. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before 3pm, then showers likely after 3pm. High near 44. Calm wind. Chance of precipitation is 90%.
Friday Night
Showers likely, mainly before 7pm. Cloudy, with a low around 41. Calm wind. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 49. Calm wind becoming west around 5 mph.
Saturday Night
A chance of showers before 10pm, then a chance of rain, mainly between 10pm and 1am. Mostly cloudy, with a low around 37. Calm wind. Chance of precipitation is 30%.
Sunday
A slight chance of rain before 10am, then a chance of showers, mainly after 1pm. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Monday
A slight chance of rain and snow before 8am, then a slight chance of rain between 8am and 1pm. Partly sunny, with a high near 41. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Tallassee TN
 35.57°N 83.87°W (Elev. 2083 ft)
Last Update:
6:11 pm EST Dec 3, 2025
Forecast Valid:
11pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
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