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: 7:14 pm EDT Jul 14, 2025




Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 70. Calm wind.

Tuesday: Showers and thunderstorms likely, mainly after 3pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 87. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind.

Thursday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Saturday: A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 89. Chance of precipitation is 50%.

Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

Sunday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

Sunday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

Monday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.



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

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