Shelbyville, MI Weather Forecast
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Shelbyville Weather Forecast
| EARLY THIS MORNING | TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Mostly Clear | Mostly Sunny | Chance of T-Storm | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny |
| Lo: 56°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C |
| POP: 80% | POP: 40% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1257 AM EDT Tue Aug 18 2026 

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Shelbyville Forecast Discussion
Issued: 138 AM EDT Tue Aug 18 2026
Key Messages
- Showers and storms late Tuesday into Wednesday
- Next round of precipitation Friday night through Saturday
Discussion
... Issued at 144 PM EDT Mon Aug 17 2026
- Showers and storms latter half of Tuesday into Wednesday
Today`s quaint and idyllic summer time weather, fueled by surface high pressure, will be driven out, over hill and over dale, by a southward progressing upper level low. That low, situated over northern Ontario, will move through bush and through ...
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