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Withers Mill Weather Forecast
| REST OF TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Chance of T-Storm | Thunderstorms | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Hi: 75°FHi: 24°C Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C Lo: 65°FLo: 18°C | Hi: 71°FHi: 22°C Lo: 59°FLo: 15°C |
| POP: 20% | POP: 70% | POP: 50% | POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 40% | POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 908 AM CDT Tue Sep 15 2026 
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Issued: 1217 PM CDT Tue Sep 15 2026
Key Messages
- Unseasonably hot and humid weather continues this week with heat index values reaching 105F+ along and south of I-70 today.
- Scattered showers and thunderstorms (30-70%) are forecast today and tonight, with the main threats being localized damaging winds and heavy rainfall.
Aviation
/18Z TAFS THROUGH 00Z THURSDAY/... Issued at 1211 PM CDT Tue Sep 15 2026
A cold front will slowly move southeast this afternoon/tonight and stall out across the area, likely near the St. Louis metro. This fro...