Weather WorldSimpsonville, KY Weather Forecast
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Simpsonville Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  | |  |  | | | | |  | |  |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Partly Sunny |
| Lo: 70°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C |
| POP: 50% | POP: 20% | POP: 30% | POP: 20% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 806 PM EDT Fri Sep 18 2026 
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Issued: 725 PM EDT Fri Sep 18 2026
Key Messages
- Unseasonably hot weather will continue for much of the area through at least Sunday. Barring any early day thunderstorms, heat indices will top out in the mid 90s to around 105 (highest southwest) each afternoon.
- There is a 20-40% chance for showers and storms late this afternoon and evening, with slightly higher chances tomorrow. Locally damaging wind gusts and heavy rainfall may accompany the strongest storms, especially tomorrow.
- A weather system will bring higher rain chances (50...