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

88°F

31°C

Humidity 50%
Wind Speed Calm
Barometer 30.04 in (1016.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 19 Aug 12:53 pm EDT
Extended Forecast for

Middle Valley TN

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 94. Heat index values as high as 99. Calm wind.

    High: 94 °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 93. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Chance
    T-storms then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 3am, then a slight chance of thunderstorms after 4am.  Mostly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Mostly sunny and hot, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm.  Partly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 92. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 92 °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 94. Heat index values as high as 99. 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 93. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms before 3am, then a slight chance of thunderstorms after 4am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 91. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.
Saturday
Sunny and hot, with a high near 92. 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
Partly cloudy, with a low around 68.
Monday
A 20 percent chance of showers. Sunny and hot, with a high near 91.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 69.
Tuesday
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:
Middle Valley TN
 35.18°N 85.2°W (Elev. 699 ft)
12:56 pm EDT Aug 19, 2026
1pm EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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