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

79°F

26°C

Humidity 34%
Wind Speed SE 5 mph
Barometer 29.96 in (1013.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Apr 7:53 pm EDT
Extended Forecast for

3 Miles S Tallassee TN

  • Tonight

    Tonight: Mostly clear, with a low around 61. Calm wind becoming southeast around 5 mph after midnight.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 85. Southeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph.

    High: 85 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm, then showers after 2am. Low around 44. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 8am. High near 61. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 61 °F

    Showers then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Clear, with a low around 43. Northwest wind around 5 mph becoming southeast after midnight.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 67. South wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 20 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Northwest wind around 5 mph becoming southeast after midnight.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 61. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Increasing clouds, with a high near 85. Southeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph.
Saturday Night
Showers likely and possibly a thunderstorm, then showers after 2am. Low around 44. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 8am. High near 61. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Sunday Night
Clear, with a low around 43. Northwest wind around 5 mph becoming southeast after midnight.
Monday
Sunny, with a high near 67. South wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 45. Northwest wind around 5 mph becoming southeast after midnight.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 57.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Tallassee TN
 35.51°N 83.93°W (Elev. 1939 ft)
Last Update:
7:06 pm EDT Apr 17, 2026
Forecast Valid:
8pm EDT Apr 17, 2026-6pm EDT Apr 24, 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