


NWS Forecast for: Grantsburg IN Issued by: National Weather Service Louisville, KY Last Update: 1:14 pm EDT Jul 13, 2025 | ![]() |
This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 90. Calm wind. Tonight: Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible. Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Calm wind. Monday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 70. 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 90. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tuesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71. Chance of precipitation is 30%. Wednesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 71. Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%. Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. | |
Grantsburg IN 38.3°N 86.48°W (Elev. 646 ft) | |
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