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Delabar State Park, IL Weather Forecast
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Delabar State Park Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  | |  |  | |  |  | | | |
| Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Chance of T-Storm | Showers | Showers | Chance of T-Storm | Chance of Showers | Mostly Sunny | Mostly Clear | Clear |
| Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C Lo: 39°FLo: 4°C |
| POP: 90% | POP: 90% | POP: 60% | POP: 90% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 126 AM CDT Mon Oct 12 2026 
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Issued: 624 AM CDT Mon Oct 12 2026
Key Messages
- Unseasonably warm conditions through Tuesday may challenge records. Refer to the climate section for specific numbers. The warm temperatures will also result in an elevated risk for agricultural field fires.
- Two rounds of rain will be seen this week; one Tuesday night into Wednesday and the second Wednesday night into Thursday. Some isolated severe storms are possible Tuesday night, mainly south of Highway 30.
- A significant cool down will be seen by the end of the week. The risk of f...