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Mountain Brook Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Mostly Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny |
| 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 | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 70°FLo: 21°C | Hi: 95°FHi: 35°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 608 PM CDT Sun Sep 13 2026 
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Issued: 637 PM CDT Sun Sep 13 2026
Key Messages
Issued at 636 PM CDT SUN SEP 13 2026- Persistent Heat: Afternoon high temperatures will continue to reach the low to middle 90s for much of the next week, with heat indices from the middle 90s to above 100 degrees. Take extra precautions with any extended afternoon outdoor activities.
Discussion
... (This afternoon through Saturday) Issued at 1257 PM CDT SUN SEP 13 2026
The weak upper-level trough continues to push off to the east, taking these welcomed rain chances with it. In turn, upp...