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Flat Rock Historical, SC Weather Forecast
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Flat Rock Historical Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Chance of T-Storm | Partly Cloudy | Patchy Fog | Mostly Clear | Sunny | Partly Cloudy | Sunny | Partly Cloudy | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm |
| Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C |
| POP: 20% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 635 AM EDT Sat Aug 15 2026 
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Flat Rock Historical Forecast Discussion
Issued: 622 AM EDT Sat Aug 15 2026
Key Messages
1. Another Heat Advisory is in effect for Saturday afternoon, covering most of northeast Georgia and the South Carolina Upstate as well as the Charlotte Metro area. Hot and humid weather continues through the weekend and the first part of next week, with triple digit heat index values likely over the low terrain each afternoon. 2. There is a Slight Risk (level 2 of 5) of Severe Weather for most of the forecast area on Saturday afternoon. Scattered diurna...