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 >

Hazardous Weather Conditions

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Overcast

75°F

24°C

Humidity 89%
Wind Speed NW 15 mph
Barometer 30.11 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 20 Aug 7:55 am EDT
Extended Forecast for

8 Miles ENE Reliance TN

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm.  Mostly sunny and hot, with a high near 93. Heat index values as high as 99. Calm wind.

    High: 93 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 8pm.  Mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 4pm.  Mostly sunny and hot, with a high near 90. Heat index values as high as 95. Calm wind becoming west around 5 mph.

    High: 90 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms between 7pm and 8pm.  Partly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 10%.

    Low: 66 °F

    Slight 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 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 99. Calm wind.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 68. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 95. Calm wind becoming west around 5 mph.
Friday Night
A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 10%.
Saturday
Sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph.
Saturday Night
Mostly clear, with a low around 64. Calm wind.
Sunday
Sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers. Sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Reliance TN
 35.23°N 84.43°W (Elev. 1283 ft)
7:06 am EDT Aug 20, 2026
8am EDT Aug 20, 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