7-Day Forecast 38.3°N 86.48°W (Text-Only)
NWS Forecast for: Grantsburg IN
Issued by: National Weather Service Louisville, KY
Last Update: 5:14 pm EDT Jul 13, 2025
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  • This
    Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 32. Calm wind.

    High: 32 °C

    Chance
    T-storms


  • Tonight

    Tonight: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 8pm, then a chance of showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 20. Calm wind.  Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.

    Low: 20 °C

    Heavy Rain
    then Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 30. Calm wind.

    High: 30 °C

    Chance
    T-storms


  • Monday
    Night

    Monday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 21. Calm wind.  Chance of precipitation is 20%.

    Low: 21 °C

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am.  Partly sunny, with a high near 32. Calm wind.  Chance of precipitation is 50%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 32 °C

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 21. Chance of precipitation is 30%.

    Low: 21 °C

    Chance
    T-storms


  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 8am.  Mostly sunny, with a high near 32.

    High: 32 °C

    Chance
    T-storms


  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 22.

    Low: 22 °C

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 8am.  Mostly sunny, with a high near 32.

    High: 32 °C

    Chance
    T-storms




  • This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32. Calm wind.

    Tonight: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 8pm, then a chance of showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 20. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.

    Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 30. Calm wind.

    Monday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 20%.

    Tuesday: A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 32. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 21. Chance of precipitation is 30%.

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 32.

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 22.

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 32.

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 22.

    Friday: Showers and thunderstorms likely. Partly sunny, with a high near 32. Chance of precipitation is 60%.

    Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 32.

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 21.

    Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 32.



    Grantsburg IN
     38.3°N 86.48°W (Elev. 646 m)

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