Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fair

77°F

25°C

Humidity 94%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Aug 10:35 pm EDT
Extended Forecast for

3 Miles S Spring City TN

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 5am.  Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 4pm.  Partly sunny and hot, with a high near 91. Heat index values as high as 99. Calm wind becoming southwest around 5 mph.  Chance of precipitation is 40%.

    High: 91 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 70. Calm wind.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 11am.  Partly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming west around 5 mph.  Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm.  Partly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph.

    High: 90 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 70. Calm wind.
Thursday
A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 4pm. Partly sunny and hot, with a high near 91. Heat index values as high as 99. Calm wind becoming southwest around 5 mph. Chance of precipitation is 40%.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming west around 5 mph. Chance of precipitation is 60%.
Friday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.
Saturday
Sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph.
Saturday Night
Mostly clear, with a low around 66. Calm wind.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 65.
Monday
Mostly sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 66.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Spring City TN
 35.64°N 84.86°W (Elev. 801 ft)
7:06 pm EDT Aug 19, 2026
10pm EDT Aug 19, 2026-6pm EDT Aug 26, 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