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St. Peter Catholic School, IL Weather Forecast
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St. Peter Catholic School Weather Forecast
| REST OF TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  |  | |  |  | |  | | | | |
| Partly Cloudy | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| 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: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C |
| POP: 50% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1046 AM CDT Wed Aug 19 2026 
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St. Peter Catholic School Forecast Discussion
Issued: 631 AM CDT Wed Aug 19 2026
Key Messages
- Areas of shallow fog may become locally dense early this morning outside of Chicago.
- A corridor of training thunderstorms may set up near and south of a Pontiac to Fowler line this afternoon into the evening. Primary hazards include gusty winds and torrential rainfall which may lead to flash flooding.
Discussion
... Issued at 340 AM CDT Wed Aug 19 2026
Residual low-level moisture early this morning has allowed shallow fog to develop across portions of the a...