Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fair

82°F

28°C

Humidity 58%
Wind Speed SW 9 G 17 mph
Barometer 29.87 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 17 Jun 2:35 pm EDT
Extended Forecast for

2 Miles W Watts Bar Dam TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. Southwest wind around 10 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: 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: Showers and thunderstorms likely, mainly before 5pm.  Mostly cloudy, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 4am, then a chance of showers between 4am and 5am, then showers likely and possibly a thunderstorm after 5am.  Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly before 11am.  Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am.  Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 88. Southwest wind around 10 mph.
Tonight
Increasing clouds, with a low around 73. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Showers and thunderstorms likely, mainly before 5pm. Mostly cloudy, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 4am, then a chance of showers between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Juneteenth
Showers and thunderstorms likely, mainly before 11am. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 62. Calm wind.
Saturday
Mostly sunny, with a high near 86. Calm wind.
Saturday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 65.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 80%.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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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)
2:26 pm EDT Jun 17, 2026
3pm EDT Jun 17, 2026-6pm EDT Jun 23, 2026
 
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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