Heavy Rain in the Mid-Atlantic; Severe Thunderstorms in the Northern Plains; Critical Fire in the West

Locally heavy rain and flash flooding will be possible today into tonight near the Mid-Atlantic/Carolina coast. Storms with large hail and severe wind gusts are expected across parts of the central and northern Plains into the upper Mississippi Valley. Dry thunderstorms, and warm, dry, and windy conditions will produce fire weather conditions in parts of the Great Basin and northern Rockies. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

89°F

32°C

Humidity 52%
Wind Speed Calm
Barometer 29.99 in (1014.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 14 Aug 3:53 pm EDT
Extended Forecast for

Alcoa TN

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms.  Sunny, with a high near 89. Heat index values as high as 96. Calm wind becoming north around 5 mph.  Chance of precipitation is 20%.

    High: 89 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm.  Partly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 10%.

    Low: 71 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms between 4pm and 5pm.  Mostly sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind.  Chance of precipitation is 20%.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

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

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 91. Calm wind becoming northeast around 5 mph.

    High: 91 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 93. Calm wind becoming north around 5 mph.

    High: 93 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Sunny, with a high near 89. Heat index values as high as 96. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 10%.
Friday
A slight chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 71. Calm wind.
Saturday
Sunny and hot, with a high near 91. Calm wind becoming northeast around 5 mph.
Saturday Night
Mostly clear, with a low around 70. Calm wind.
Sunday
Sunny and hot, with a high near 93. Calm wind becoming north around 5 mph.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny and hot, with a high near 95.
Monday Night
Mostly clear, with a low around 72.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.8°N 83.96°W (Elev. 856 ft)
1:36 pm EDT Aug 14, 2025
4pm EDT Aug 14, 2025-6pm EDT Aug 21, 2025
 
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Additional Resources

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