Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Overcast

70°F

21°C

Humidity 88%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 16 Jun 11:35 pm EDT
Extended Forecast for

2 Miles SW Watts Bar Dam TN

  • Tonight

    Tonight: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 88. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 88 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 73. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 87. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    High: 87 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 69. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%.

    Low: 69 °F

    Showers

  • Juneteenth

    Juneteenth: Showers and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am.  High near 83. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 80%.

    High: 83 °F

    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 61. Calm wind.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 88. Light south wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 73. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm. Low around 69. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Juneteenth
Showers and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am. High near 83. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 80%.
Friday Night
Mostly cloudy, with a low around 61. Calm wind.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 63.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Watts Bar Dam TN
 35.59°N 84.81°W (Elev. 689 ft)
7:06 pm EDT Jun 16, 2026
11pm EDT Jun 16, 2026-6pm EDT Jun 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database