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Simpson Chapel Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  |  |  |  | |  | | |  |
| Sunny | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Showers | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Sunny | Mostly Clear |
| Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C |
| POP: 40% | POP: 70% | POP: 80% | POP: 70% | POP: 50% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 548 AM CDT Tue Sep 29 2026 
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Issued: 619 AM CDT Tue Sep 29 2026
Key Messages
- Temperatures will remain above normal today through Thursday.
- Widespread 1-3 inches of rain is expected as a slow moving cold front drifts through the area Wednesday night through Friday. The higher end of this range of rainfall is expected across northeast Missouri and west central Illinois.
Aviation
/12Z TAFS THROUGH 18Z WEDNESDAY/... Issued at 617 AM CDT Tue Sep 29 2026
VFR flight conditions and light southerly flow is expected to prevail through the period. A few showers and possibl...