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Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

66°F

19°C

Humidity 84%
Wind Speed S 6 mph
Barometer 29.98 in (1014.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 11 Mar 2:53 am EDT
Extended Forecast for

Alcoa TN

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 65. Southwest wind around 5 mph.

    Low: 65 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly cloudy, with a high near 79. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 79 °F

    Chance
    T-storms then
    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 40. Southwest wind around 15 mph becoming north after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 40 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 54. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. North wind around 5 mph becoming calm.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 64 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. Southwest wind 5 to 10 mph becoming light after midnight.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 65. Southwest wind around 5 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly cloudy, with a high near 79. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Showers and thunderstorms likely before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 40. Southwest wind around 15 mph becoming north after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers likely, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 54. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 34. North wind around 5 mph becoming calm.
Friday
Sunny, with a high near 64. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 41. Southwest wind 5 to 10 mph becoming light after midnight.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 48.
Sunday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 75. Breezy.
Sunday Night
Showers. Low around 39. Breezy. Chance of precipitation is 90%.
Monday
Rain and snow showers. High near 48. Breezy. Chance of precipitation is 80%.
Monday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 10%.
Tuesday
Mostly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.8°N 83.98°W (Elev. 955 ft)
Last Update:
2:26 am EDT Mar 11, 2026
Forecast Valid:
3am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation