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.

Fair

72°F

22°C

Humidity 91%
Wind Speed W 3 mph
Barometer 29.99 in (1014.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 19 Aug 2:53 am EDT
Extended Forecast for

10 Miles NE Dunlap TN

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 8am.  Otherwise, sunny and hot, with a high near 93. Heat index values as high as 98. Calm wind.

    High: 93 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 20%.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny and hot, with a high near 91. Heat index values as high as 102. Calm wind becoming west around 5 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 69. Calm wind.  Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am.  Mostly sunny, with a high near 89. Calm wind.  Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

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

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 64. Calm wind.
Wednesday
Areas of fog before 8am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 98. Calm wind.
Wednesday Night
A slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 102. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 50%.
Friday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 89. Calm wind. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 67. Calm wind.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 64.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 89.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 65.
Tuesday
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:
10 Miles NE Dunlap TN
 35.48°N 85.29°W (Elev. 863 ft)
1:26 am CDT Aug 19, 2026
2am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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