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Old School Forest Preserve, IL Weather Forecast
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Old School Forest Preserve Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  |  |  |  | | | | | | |  |
| Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Clearing | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Showers |
| Hi: 75°FHi: 24°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C |
| POP: 50% | POP: 50% | POP: 40% | POP: 40% | POP: 40% | POP: 50% | POP: 60% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 405 PM CDT Wed Aug 05 2026 
Old School Forest Preserve Radar Loop
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