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Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

71°F

22°C

Humidity 87%
Wind Speed N 10 mph
Barometer 30.11 in (1018.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 3 Oct 8:53 pm EDT
Extended Forecast for

3 Miles S Powell TN

  • Tonight

    Tonight: A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 65. Northeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely before 1pm, then a chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy, with a high near 77. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 60. Calm wind becoming north around 5 mph after midnight.

    Low: 60 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 78. Northeast wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Northeast wind 5 to 10 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Northeast wind around 5 mph becoming calm in the morning.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 65. Northeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.
Sunday
Showers and thunderstorms likely before 1pm, then a chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy, with a high near 77. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 60. Calm wind becoming north around 5 mph after midnight.
Monday
Sunny, with a high near 78. Northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 52. Northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 78. Northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 53. Calm wind.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 52.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 54.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Powell TN
 35.99°N 84.02°W (Elev. 1102 ft)
Last Update:
7:06 pm EDT Oct 3, 2026
Forecast Valid:
9pm EDT Oct 3, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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