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Summit Grove, IN Weather Forecast
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Summit Grove Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 70% | POP: 50% | POP: 30% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 803 AM EDT Wed Sep 16 2026 
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Issued: 923 AM EDT Wed Sep 16 2026
Key Messages
- Hot temperatures will continue at times into Saturday, especially south. Heat indices around 100 again today and Thursday.
- Scattered showers and storms today, but severe storms are not expected
- Shower and storm chances persist for much of the time into next week, with temperatures turning cooler next week
Discussion
(Today through Tuesday)... Issued at 252 AM EDT Wed Sep 16 2026
Early This Morning...
Energy riding around an upper high with help from a surface front has been generating co...