7-Day Forecast 35.01°N 85.33°W (Text-Only)
NWS Forecast for: Lookout Mountain TN
Issued by: National Weather Service Morristown, TN
Last Update: 11:01 am EDT Sep 5, 2026
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  • Today

    Today: A 10 percent chance of showers and thunderstorms after 5pm.  Mostly sunny and hot, with a high near 99. Heat index values as high as 110. Calm wind becoming northeast around 5 mph.

    High: 99 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm.  Mostly clear, with a low around 74. Northwest wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 2pm and 3pm.  Sunny and hot, with a high near 96. Heat index values as high as 106. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 72. Northeast wind 5 to 10 mph.

    Low: 72 °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 91. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 91 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday
    Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 69. Southeast wind 5 to 10 mph.

    Low: 69 °F

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Southeast wind 5 to 10 mph.

    High: 92 °F

    Hot


  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear


  • Wednesday

    Wednesday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot




  • Today: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 110. Calm wind becoming northeast around 5 mph.

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Mostly clear, with a low around 74. Northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Sunday: A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny and hot, with a high near 96. Heat index values as high as 106. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.

    Sunday Night: Mostly clear, with a low around 72. 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 91. Northeast wind around 5 mph becoming southeast in the afternoon.

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 69. Southeast wind 5 to 10 mph.

    Tuesday: Sunny and hot, with a high near 92. Southeast wind 5 to 10 mph.

    Tuesday Night: Mostly clear, with a low around 70.

    Wednesday: Sunny and hot, with a high near 93.

    Wednesday Night: Mostly clear, with a low around 70.

    Thursday: A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.

    Thursday Night: A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

    Friday: A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.



    Lookout Mountain TN
     35.01°N 85.33°W (Elev. 682 ft)

    Visit your local NWS office at: https://www.weather.gov/mrx