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

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Fair

75°F

24°C

Humidity 88%
Wind Speed Calm
Barometer 29.97 in (1014.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 20 Aug 4:53 am EDT
Extended Forecast for

2 Miles NNW Chattanooga, Lovell Field TN

  • Today

    Today: A chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny and hot, with a high near 96. Heat index values as high as 105. Calm wind becoming northeast around 5 mph.  Chance of precipitation is 30%.

    High: 96 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am.  Increasing clouds, with a low around 73. Northwest wind around 5 mph becoming calm.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny and hot, with a high near 92. Heat index values as high as 98. Calm wind becoming west around 5 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. North wind around 5 mph becoming calm.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 93. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 93 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Mostly Clear

  • Sunday

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

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

Detailed Forecast

Today
A chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 105. Calm wind becoming northeast around 5 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Increasing clouds, with a low around 73. Northwest wind around 5 mph becoming calm. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 98. Calm wind becoming west around 5 mph.
Friday Night
Mostly clear, with a low around 70. North wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 93. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 69. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 92. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 67.
Monday
Mostly sunny and hot, with a high near 91.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Chattanooga, Lovell Field TN
 35.07°N 85.21°W (Elev. 699 ft)
2:26 am EDT Aug 20, 2026
5am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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