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.

Overcast

76°F

24°C

Humidity 74%
Wind Speed N 5 mph
Barometer 30.11 in (1018.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Sep 10:53 pm EDT
Extended Forecast for

2 Miles W Alcoa TN

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 94. Heat index values as high as 101. Calm wind becoming north around 5 mph.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Partly cloudy, with a low around 70. East wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92. Heat index values as high as 100. Calm wind becoming southwest around 5 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. South wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 71. Calm wind.
Saturday
A 10 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 94. Heat index values as high as 101. Calm wind becoming north around 5 mph.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Partly cloudy, with a low around 70. East wind around 5 mph becoming calm. Chance of precipitation is 30%.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92. Heat index values as high as 100. Calm wind becoming southwest around 5 mph.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. South wind around 5 mph becoming calm. Chance of precipitation is 30%.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Alcoa TN
 35.78°N 84.01°W (Elev. 958 ft)
Last Update:
9:16 pm EDT Sep 18, 2026
Forecast Valid:
11pm EDT Sep 18, 2026-6pm EDT Sep 25, 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