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St. Catherines Catholic Church, IL Weather Forecast
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St. Catherines Catholic Church Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY |
 |  |  |  |  | | | | | |  | |
| Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Clearing | Sunny | Partly Cloudy | Partly Sunny | Chance of T-Storm | Partly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 81°FHi: 27°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C |
| POP: 20% | POP: 70% | POP: 80% |
POP = Probability of Precipitation.
Weather Outlook Updated: 126 PM CDT Sat Aug 15 2026 
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Issued: 638 PM CDT Sat Aug 15 2026
Key Messages
- Chances for showers/storms return this evening and overnight as a weak cold front arrives in the area.
- High pressure will bring a period of much needed quiet and dry weather Sunday through Monday, prior to the pattern becoming more active Tuesday through midweek.
- Strong to severe storms are possible Tuesday, as a much more potent cold front arrives into the region.
Aviation
/00Z TAFS THROUGH 00Z MONDAY/... Issued at 632 PM CDT Sat Aug 15 2026
A weak cold fr...