Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Hazardous Weather Conditions

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Partly Cloudy

88°F

31°C

Humidity 62%
Wind Speed W 5 mph
Barometer 29.98 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 26 Jul 3:15 pm EDT
Extended Forecast for

5 Miles W Watts Bar Dam TN

  • This Afternoon

    This Afternoon: Mostly sunny and hot, with a high near 90. Heat index values as high as 96. North wind around 5 mph.

    High: 90 °F

    Hot

  • Tonight

    Tonight: A chance of showers, then showers likely and possibly a thunderstorm after 5am.  Increasing clouds, with a low around 72. Calm wind.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Partly Cloudy
    then Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 7am.  Mostly sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind.

    High: 91 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 93. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Partly cloudy, with a low around 71. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 90. Heat index values as high as 96. North wind around 5 mph.
Tonight
A chance of showers, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 72. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind.
Monday Night
Mostly clear, with a low around 73. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 66.
Friday
Mostly sunny, with a high near 88.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 69.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Watts Bar Dam TN
 35.59°N 84.89°W (Elev. 846 ft)
2:26 pm EDT Jul 26, 2026
3pm EDT Jul 26, 2026-6pm EDT Aug 1, 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