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

Hazardous Weather Conditions

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Overcast

57°F

14°C

Humidity 94%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 55°F (13°C)
Visibility 8.00 mi
Last update 4 Apr 7:35 am EDT
Extended Forecast for

Watts Bar Dam TN

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 50. South wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: A 50 percent chance of showers before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. Northwest wind around 5 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68. Calm wind becoming north around 5 mph in the afternoon.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. Northeast wind around 5 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 50. South wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A 50 percent chance of showers before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. Northwest wind around 5 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Mostly clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 68. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 40. Calm wind.
Tuesday
Sunny, with a high near 65. Northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watts Bar Dam TN
 35.63°N 84.78°W (Elev. 741 ft)
Last Update:
7:06 am EDT Apr 4, 2026
Forecast Valid:
7am EDT Apr 4, 2026-6pm EDT Apr 10, 2026
 
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