Wallace, IN Weather Forecast
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Wallace Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Partly Cloudy | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Clear | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm |
| Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Hi: 81°FHi: 27°C Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C Lo: 55°FLo: 13°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C |
| POP: 50% | POP: 80% | POP: 60% | POP: 30% | POP: 30% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 610 AM EDT Tue Sep 08 2026 

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Issued: 614 AM EDT Tue Sep 8 2026
Key Messages
- Heat returns today and Wednesday with peak heat indices in the upper 90s and low 100s Wednesday afternoon
- Strong thunderstorms possible late Wednesday; rain and storms continue Wednesday night into Thursday with heavy rain and localized flooding as the primary concern
- Cooler weather returns late week
Discussion
(Today through Monday)... Issued at 252 AM EDT Tue Sep 8 2026
After a couple days with more seasonable temperatures...warmer air will return to the Ohio Valley as ridging aloft o...
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