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

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

86°F

30°C

Humidity 49%
Wind Speed W 9 mph
Barometer 30.18 in (1020.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 21 Jun 12:53 pm EDT
Extended Forecast for

6 Miles ENE Tallassee TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 4pm and 5pm. Sunny, with a high near 89. Calm wind. Chance of precipitation is 10%.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 94. Calm wind becoming north around 5 mph.

    High: 94 °F

    Hot

  • Tuesday Night

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

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 88. Calm wind.
Tonight
Mostly clear, with a low around 69. Calm wind.
Sunday
A slight chance of showers and thunderstorms between 4pm and 5pm. Sunny, with a high near 89. Calm wind. Chance of precipitation is 10%.
Sunday Night
Mostly clear, with a low around 69. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 90. Calm wind.
Monday Night
Mostly clear, with a low around 71. Calm wind.
Tuesday
Sunny and hot, with a high near 94. Calm wind becoming north around 5 mph.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny and hot, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.
Thursday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Tallassee TN
 35.59°N 83.84°W (Elev. 1742 ft)
Last Update:
1:16 pm EDT Jun 21, 2025
Forecast Valid:
1pm EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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