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

67°F

19°C

Humidity 87%
Wind Speed SW 5 mph
Barometer 30.03 in (1016.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 16 Apr 11:53 pm EDT
Extended Forecast for

3 Miles S Tallassee TN

  • Overnight

    Overnight: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59. West wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Calm wind becoming southeast around 5 mph after midnight.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 84. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 46. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 8am. Partly sunny, with a high near 61. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Friday
Sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 62. Calm wind becoming southeast around 5 mph after midnight.
Saturday
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 84. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 46. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday
Showers likely, mainly before 8am. Partly sunny, with a high near 61. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 41. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Tallassee TN
 35.51°N 83.93°W (Elev. 1939 ft)
Last Update:
8:46 pm EDT Apr 16, 2026
Forecast Valid:
12am EDT Apr 17, 2026-6pm EDT Apr 23, 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