Fairmount, IN Weather Forecast
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Fairmount Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Partly Cloudy | Chance of T-Storm | Clearing | Mostly Sunny | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C |
| POP: 50% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 943 PM EDT Wed Sep 09 2026 

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Issued: 631 PM EDT Wed Sep 9 2026
Key Messages
- The muggy conditions will transition to cooler and less humid later Thursday and persist into the weekend.
- There is a moderate swim risk for Lake Michigan beaches on Thursday.
Discussion
... Issued at 120 PM EDT Wed Sep 9 2026
Main focus of forecast remains on transition from muggy and at times wet conditions to a much more pleasant period later Thursday through the weekend and maybe beyond.
Sort of a disjointed setup across the region with models continuing to struggle on handling of cu...
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