Dillehay Park, IL Weather Forecast
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Dillehay Park Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Sunny | Partly Cloudy | Mostly Sunny | Clear | Sunny | Clear | Sunny | Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy |
| Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 40°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 906 AM CDT Sat Oct 03 2026 

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Issued: 604 AM CDT Sat Oct 3 2026
Key Messages
- Dry weather with seasonable temperatures is expected through much of the upcoming week.
Discussion
... Issued at 203 AM CDT Sat Oct 3 2026
High pressure centered over northern Lake Michigan early this morning will drift eastward today. The combination of clear skies, light winds, and very dry air aloft has allowed temps to fall into the 40s for interior locations. Patchy shallow fog has also been observed and should continue through sunrise. While some of this fog could be dense, not ex...
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