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.

Partly Cloudy

88°F

31°C

Humidity 45%
Wind Speed W 3 mph
Barometer 29.99 in (1014.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 22 Jun 8:53 pm EDT
Extended Forecast for

Alcoa TN

  • Tonight

    Tonight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 94. Heat index values as high as 97. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 94 °F

    Hot

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of thunderstorms before 8am. Mostly sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 10%.

    High: 90 °F

    Slight Chance
    T-storms then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. North wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93. Calm wind.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 91. Chance of precipitation is 60%.

    High: 91 °F

    Chance
    Showers then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 73. Calm wind.
Sunday
Sunny and hot, with a high near 94. Heat index values as high as 97. Light southwest wind increasing to 5 to 10 mph in the morning.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of thunderstorms before 8am. Mostly sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 10%.
Monday Night
Mostly clear, with a low around 68. North wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93. Calm wind.
Tuesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 91. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny and hot, with a high near 93.
Friday Night
Partly cloudy, with a low around 72.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.8°N 83.98°W (Elev. 955 ft)
Last Update:
8:17 pm EDT Jun 22, 2024
Forecast Valid:
9pm EDT Jun 22, 2024-6pm EDT Jun 29, 2024
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation