National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

71°F

22°C

Humidity 51%
Wind Speed SW 8 mph
Barometer 30.04 in (1016.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 9 Mar 6:53 pm EDT
Extended Forecast for

2 Miles SW Alcoa TN

  • Tonight

    Tonight: A chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 60. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms likely before 3pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. South wind 5 to 10 mph.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 81. 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. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 43. Southwest wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%.

    Low: 43 °F

    Showers
    Likely then
    Showers

  • Thursday

    Thursday: Showers, mainly before 8am. High near 55. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 55 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. North wind around 5 mph becoming calm after midnight.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66. Breezy.

    High: 66 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 60. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms likely before 3pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. South wind 5 to 10 mph.
Wednesday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 81. 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. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 43. Southwest wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%.
Thursday
Showers, mainly before 8am. High near 55. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Thursday Night
Mostly clear, with a low around 35. North wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 66. Breezy.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 51.
Sunday
A 20 percent chance of showers. Sunny, with a high near 77. Breezy.
Sunday Night
Showers likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Alcoa TN
 35.76°N 84.02°W (Elev. 899 ft)
Last Update:
7:06 pm EDT Mar 9, 2026
Forecast Valid:
7pm EDT Mar 9, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation