Weather WorldThomas Chapel, MO Weather Forecast
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Thomas Chapel Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
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| Thunderstorms | Chance of T-Storm | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy |
| Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C |
| POP: 100% | POP: 50% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 812 AM CDT Wed Aug 19 2026 
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Thomas Chapel Forecast Discussion
Issued: 632 AM CDT Wed Aug 19 2026
Key Messages
- Widespread showers and thunderstorms will continue at least through the morning hours, mainly along/south of I-70/I-64 in Missouri and Illinois respectively. Locally heavy rainfall is possible.
- Additional showers and thunderstorms are expected this afternoon and evening. The best chances (40-60%) are in two areas: 1) northeast Missouri west-central Illinois and 2) southeast Missouri and southwest Illinois. A few storms may be strong to severe with damagi...