Mountain Brook, SC Weather Forecast
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Mountain Brook Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Cloudy | Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Sunny | Mostly Clear | Sunny | Clear | Sunny | Mostly Clear |
| Hi: 75°FHi: 24°C | Lo: 65°FLo: 18°C | Hi: 71°FHi: 22°C | Lo: 70°FLo: 21°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C |
| POP: 70% | POP: 100% | POP: 100% | POP: 100% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1208 PM EDT Fri Oct 09 2026 

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Instant definitions for any meteorological term.
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Issued: 637 AM EDT Fri Oct 9 2026
Key Messages
- 1. An active weekend ahead as Hurricane Isaias moves inland to our west. Confidence in the extent of impacts increasing with periods of heavy rain bringing an isolated flooding threat. Isolated tornadoes are possible on Saturday night as well.
Discussion
... Key Message 1: An active weekend ahead as Hurricane Isaias moves inland to our west. Confidence in the extent of impacts increasing with periods of heavy rain bringing an isolated flooding threat. Isolated tornadoes are possible on...
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