NWS Forecast for: Decatur TN
Issued by: National Weather Service Morristown, TN
Last Update: 2:45 am EDT Aug 20, 2019
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  • Today

    Today: A 10 percent chance of showers and thunderstorms after 4pm.  Patchy fog before 11am.  Otherwise, mostly sunny and hot, with a high near 96. Heat index values as high as 101. Calm wind becoming southwest around 5 mph.

    Patchy Fog
    then Slight
    Chance
    T-storms

    High: 96 °F

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 10pm.  Mostly cloudy, with a low around 70. Calm wind.

    Chance
    T-storms


    Low: 70 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 9am.  Partly sunny and hot, with a high near 90. Heat index values as high as 98. South wind 5 to 10 mph.

    Chance
    T-storms


    High: 90 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 71. Southwest wind around 5 mph.

    Chance
    T-storms


    Low: 71 °F

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 9am.  Partly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 60%.

    T-storms
    Likely


    High: 89 °F

  • Thursday
    Night

    Thursday Night: Showers and thunderstorms likely.  Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    T-storms
    Likely


    Low: 70 °F

  • Friday

    Friday: Showers and thunderstorms likely.  Partly sunny, with a high near 89. Chance of precipitation is 60%.

    T-storms
    Likely


    High: 89 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely, mainly before 9pm.  Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    T-storms
    Likely


    Low: 68 °F

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 9am.  Mostly cloudy, with a high near 87. Chance of precipitation is 60%.

    T-storms
    Likely


    High: 87 °F



  • Today: A 10 percent chance of showers and thunderstorms after 4pm. Patchy fog before 11am. Otherwise, mostly sunny and hot, with a high near 96. Heat index values as high as 101. Calm wind becoming southwest around 5 mph.

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 10pm. Mostly cloudy, with a low around 70. Calm wind.

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 9am. Partly sunny and hot, with a high near 90. Heat index values as high as 98. South wind 5 to 10 mph.

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 5 mph.

    Thursday: Showers and thunderstorms likely, mainly after 9am. Partly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    Thursday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Friday: Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.

    Friday Night: Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Saturday: Showers and thunderstorms likely, mainly after 9am. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.

    Saturday Night: Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Sunday: Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

    Sunday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.



    Decatur TN
     35.52°N 84.79°W (Elev. 778 ft)

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