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.

Overcast

59°F

15°C

Humidity 90%
Wind Speed W 7 mph
Barometer 30.01 in (1015.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 8 Mar 5:53 am EDT
Extended Forecast for

4 Miles SW Tallassee TN

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 70. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 57. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then showers likely between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 82. Southwest wind around 10 mph, with gusts as high as 25 mph.

    High: 82 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 39. Chance of precipitation is 90%.

    Low: 39 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before 8am. Mostly sunny, with a high near 53. Chance of precipitation is 60%.

    High: 53 °F

    Showers
    Likely then
    Slight Chance
    Showers

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 70. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 55. Calm wind.
Monday
Mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 57. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms before 8am, then showers likely between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Southwest wind around 5 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. South wind around 5 mph. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 82. Southwest wind around 10 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 39. Chance of precipitation is 90%.
Thursday
Showers likely, mainly before 8am. Mostly sunny, with a high near 53. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Tallassee TN
 35.49°N 83.99°W (Elev. 899 ft)
Last Update:
1:26 am EST Mar 8, 2026
Forecast Valid:
6am EDT Mar 8, 2026-6pm EDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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