Weather WorldSt. Mary's Church, IL Weather Forecast
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St. Mary's Church Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Patchy Fog | Partly Cloudy | Chance of T-Storm | Clearing | Mostly Sunny | Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers |
| Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C |
| POP: 60% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 705 AM CDT Thu Aug 20 2026 
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Issued: 618 AM CDT Thu Aug 20 2026
Key Messages
- Less humid today with temperatures in the mid 70s to lower 80s.
- Showers and thunderstorm chances return Friday and Friday night with the greatest coverage in the late afternoon and evening. Primary hazards include strong winds and hail in addition to localized downpours.
Discussion
... Issued at 332 AM CDT Thu Aug 20 2026
Showers and thunderstorms have pushed southeast of the area early this morning with surface high pressure beginning to expand across the ...