


NWS Forecast for: Grissom Air Force Base / Peru IN Issued by: National Weather Service Northern Indiana Last Update: 10:47 am EDT Jul 13, 2025 | ![]() |
Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 85. West wind around 5 mph. Tonight: A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening. Monday: Mostly sunny, with a high near 86. Calm wind becoming northeast around 5 mph. Monday Night: Partly cloudy, with a low around 68. Calm wind. Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%. Wednesday: 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 70%. Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%. Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Thursday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%. Friday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Friday Night: A 30 percent chance of showers. Partly cloudy, with a low around 64. Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 84. | |
Grissom Air Force Base / Peru IN 40.65°N 86.14°W (Elev. 804 ft) | |
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