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.

Fair

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.23 in
Dewpoint 72°F (22°C)
Visibility 8.00 mi
Last update 18 Sep 2:35 am EDT
Extended Forecast for

2 Miles W Watts Bar Dam TN

  • Overnight

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

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 95. Heat index values as high as 104. Calm wind becoming northeast around 5 mph.

    High: 95 °F

    Hot

  • Friday Night

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

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny and hot, with a high near 94. Heat index values as high as 103. Calm wind.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Calm wind becoming south around 5 mph.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 71. Calm wind.
Friday
Sunny and hot, with a high near 95. Heat index values as high as 104. Calm wind becoming northeast around 5 mph.
Friday Night
Partly cloudy, with a low around 71. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny and hot, with a high near 94. Heat index values as high as 103. Calm wind.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 68. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Calm wind becoming south around 5 mph.
Sunday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Calm wind.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 50%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 90. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 66. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Watts Bar Dam TN
 35.61°N 84.83°W (Elev. 801 ft)
Last Update:
2:26 am EDT Sep 18, 2026
Forecast Valid:
2am EDT Sep 18, 2026-6pm EDT Sep 24, 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