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St. Catherine of Sienna Church Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  | |  | | | | | | | | |
| Mostly Sunny | Clearing | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny |
| Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 323 AM CDT Wed Aug 26 2026 
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Issued: 319 AM CDT Wed Aug 26 2026
Key Messages
- Isolated to widely scattered showers and thunderstorms are expected along a cold front this afternoon/evening, mainly across south-central Illinois. A couple may be strong to severe with damaging winds the main threat.
- Near to slightly below normal temperatures are expected behind today`s cold front heading into the weekend before more summerlike heat returns Sunday into next week.
Aviation
/00Z TAFS THROUGH 06Z THURSDAY/... Issued at 1014 PM CDT Tue Aug 25 2026
There are three distinct...