Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

86°F

30°C

Humidity 65%
Wind Speed Calm
Barometer 29.97 in (1013.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 4 Sep 8:53 pm EDT
Extended Forecast for

Walden TN

Heat Advisory September 4, 09:00pm until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 09:00pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 75 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 97. Heat index values as high as 111. Calm wind becoming northeast around 5 mph.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 73. West wind around 5 mph becoming calm.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. Heat index values as high as 107. Calm wind becoming north around 5 mph in the afternoon.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. Northeast wind 5 to 10 mph.

    Low: 71 °F

    Mostly Clear

  • Labor Day

    Labor Day: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am.  Mostly clear, with a low around 69. Southeast wind around 5 mph.  Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers after 2pm.  Sunny and hot, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 75. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 97. Heat index values as high as 111. Calm wind becoming northeast around 5 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. West wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 95. Heat index values as high as 107. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 71. Northeast wind 5 to 10 mph.
Labor Day
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly clear, with a low around 69. Southeast wind around 5 mph. Chance of precipitation is 30%.
Tuesday
A 20 percent chance of showers after 2pm. Sunny and hot, with a high near 90.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
A 20 percent chance of showers before 2pm. Sunny and hot, with a high near 92.
Wednesday Night
Clear, with a low around 70.
Thursday
Sunny and hot, with a high near 94.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Walden TN
 35.17°N 85.29°W (Elev. 879 ft)
7:06 pm EDT Sep 4, 2026
9pm EDT Sep 4, 2026-6pm EDT Sep 11, 2026
 
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Additional Resources

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