Kaskaskia Church, IL Weather Forecast
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Kaskaskia Church Weather Forecast
| THIS AFTERNOON | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
| Sunny | Clear | Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Clear | Sunny | Clear | Mostly Clear | Mostly Clear |
| Hi: 69°FHi: 21°C | Lo: 39°FLo: 4°C | Hi: 70°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 71°FHi: 22°C | Hi: 75°FHi: 24°C Lo: 41°FLo: 5°C | Hi: 75°FHi: 24°C Lo: 41°FLo: 5°C | Lo: 45°FLo: 7°C | Hi: 79°FHi: 26°C | Lo: 45°FLo: 7°C | Hi: 79°FHi: 26°C Lo: 45°FLo: 7°C | Hi: 79°FHi: 26°C Lo: 45°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 PM CDT Sun Oct 18 2026 

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Issued: 1207 PM CDT Sun Oct 18 2026
Key Messages
- Confidence is high in dry weather through this upcoming workweek. Hazardous conditions are not anticipated.
Aviation
/18Z TAFS THROUGH 00Z TUESDAY/... Issued at 1207 PM CDT Sun Oct 18 2026
Light southerly surface winds become light and variable for the St. Louis metro terminals and KJEF after sunset this evening. Similar to last night, river valley locations are forecast to reach the mid/upper 30s. This coupled with calm winds should allow steam fog to form on area waterways again. Conf...
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