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

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fair

72°F

22°C

Humidity 83%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 10 Sep 11:35 pm EDT
Extended Forecast for

4 Miles NNE Watts Bar Dam TN

  • Overnight

    Overnight: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 94. Heat index values as high as 101. Calm wind.

    High: 94 °F

    Hot

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after 3am. Increasing clouds, with a low around 71. Calm wind. Chance of precipitation is 30%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 88. Heat index values as high as 97. Calm wind becoming south around 5 mph. Chance of precipitation is 90%.

    High: 88 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 69. Calm wind. Chance of precipitation is 80%.

    Low: 69 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny and hot, with a high near 90. Calm wind. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    Showers 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: Sunny and hot, with a high near 90.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 70. Calm wind.
Friday
Mostly sunny and hot, with a high near 94. Heat index values as high as 101. Calm wind.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after 3am. Increasing clouds, with a low around 71. Calm wind. Chance of precipitation is 30%.
Saturday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 88. Heat index values as high as 97. Calm wind becoming south around 5 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 69. Calm wind. Chance of precipitation is 80%.
Sunday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny and hot, with a high near 90. Calm wind. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 69. Calm wind.
Monday
Sunny and hot, with a high near 90.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny and hot, with a high near 92.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.
Wednesday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Thursday
A 40 percent chance of showers and thunderstorms. Sunny and hot, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Watts Bar Dam TN
 35.65°N 84.78°W (Elev. 741 ft)
Last Update:
7:06 pm EDT Sep 10, 2026
Forecast Valid:
12am EDT Sep 11, 2026-6pm EDT Sep 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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