Mountain Rest, SC Weather Forecast
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Mountain Rest Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear |
| Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C |
| POP: 40% | POP: 50% | POP: 70% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 333 AM EDT Sat Sep 05 2026 

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Issued: 250 AM EDT Sat Sep 5 2026
Key Messages
1. Hot and humid again today with triple digit heat index values returning east of the mountains. A Heat Advisory remains in effect today from 11 AM to 8 PM for the southern zones. Make sure to stay hydrated and take frequent breaks in the shade or air conditioning. Cooler and less humid conditions finally return behind a cold front starting Sunday. 2. A cold front brings the potential for severe storms each afternoon and evening over the holiday weekend before drier conditions retur...
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