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McCall Developmental School Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  |  |  |  | |  |  | | | |
| Chance of Showers | Mostly Cloudy | Partly Sunny | Partly Cloudy | Sunny | Mostly Clear | Partly Sunny | Showers Likely | Showers | Showers | Showers | Chance of Showers |
| Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 65°FLo: 18°C | Hi: 71°FHi: 22°C | Hi: 71°FHi: 22°C Lo: 59°FLo: 15°C |
| POP: 20% | POP: 70% | POP: 70% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 637 AM CDT Sat Sep 26 2026 
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Issued: 427 AM CDT Sat Sep 26 2026
Key Messages
- Expect mostly dry conditions and mild temperatures through Tuesday afternoon, though a few light showers are possible west of Interstate 55 today.
- Heavy rainfall and localized flooding become the primary concern Wednesday through Friday as repeated rounds of rain move across central Illinois.
- There is a 25% to 50% chance of rainfall exceeding 2 inches between Wednesday morning and Saturday morning, with the highest amounts expected northwest of the Illinois River Valley.
Discussion
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