Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Partly Cloudy

91°F

33°C

Humidity 45%
Wind Speed Vrbl 5 mph
Barometer 30.02 in (1015.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 19 Aug 2:53 pm EDT
Extended Forecast for

Middle Valley TN

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 93. Heat index values as high as 98. Calm wind.

    High: 93 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 9am.  Mostly sunny and hot, with a high near 92. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 92 °F

    Chance
    T-storms then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 5am.  Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am.  Partly sunny and hot, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm.  Partly cloudy, with a low around 70. Calm wind.  Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 91. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 91 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 91.

    High: 91 °F

    Hot

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 93. Heat index values as high as 98. Calm wind.
Tonight
Partly cloudy, with a low around 73. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly sunny and hot, with a high near 92. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 72. Calm wind.
Friday
A chance of showers and thunderstorms before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Partly sunny and hot, with a high near 90. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.
Saturday
Sunny and hot, with a high near 91. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny and hot, with a high near 91.
Sunday Night
Mostly clear, with a low around 68.
Monday
Mostly sunny and hot, with a high near 90.
Monday Night
Mostly clear, with a low around 68.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Middle Valley TN
 35.18°N 85.2°W (Elev. 699 ft)
2:26 pm EDT Aug 19, 2026
3pm EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
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Additional Resources

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