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Stephen Mack School Weather Forecast
| REST OF TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  |  | |  |  | | | |  |
| Partly Cloudy | Showers Likely | Showers | Chance of T-Storm | Chance of T-Storm | Showers | Chance of Showers | Clearing | Partly Cloudy | Partly Cloudy | Clearing | Mostly Clear |
| Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 65°FLo: 18°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C |
| POP: 70% | POP: 90% | POP: 90% | POP: 90% | POP: 70% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1005 AM CDT Tue Sep 29 2026 
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Issued: 701 AM CDT Tue Sep 29 2026
Key Messages
- Areas of fog, some locally dense, may impact the start of the commute this morning.
- Periods of rain are expected Tuesday night through Friday, with the greatest coverage on Thursday.
Discussion
... Issued at 335 AM CDT Tue Sep 29 2026
While slower than previous model guidance suggested, shallow fog is beginning to expand in coverage early this morning across portions of the area outside of Chicago, some of which is dense. The general expectation is for areas of fog to persist through th...