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

Monroe County Airport (KMNV)

Lat: 35.55°NLon: 84.38°WElev: 1031ft.

Fair

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 20 Aug 1:55 am EDT
Extended Forecast for

4 Miles S Rockwood TN

  • Overnight

    Overnight: A slight chance of thunderstorms after 5am.  Partly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 10%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly cloudy, then gradually becoming sunny and hot, with a high near 90. Heat index values as high as 100. Calm wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 70. Calm wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 11am.  Partly sunny, with a high near 88. Heat index values as high as 98. Calm wind.  Chance of precipitation is 60%.

    High: 88 °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: Mostly sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

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

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of thunderstorms after 5am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 10%.
Thursday
A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny and hot, with a high near 90. Heat index values as high as 100. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. 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 88. Heat index values as high as 98. Calm wind. 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
Mostly sunny and hot, with a high near 90. Calm wind.
Saturday Night
Mostly clear, with a low around 67. Calm wind.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 65.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, 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 69.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Rockwood TN
 35.8°N 84.68°W (Elev. 741 ft)
1:06 am EDT Aug 20, 2026
2am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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Additional Resources

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