Marion Park, IL Weather Forecast
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Marion Park Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy |
| Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 605 AM CDT Thu Oct 22 2026 

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Issued: 625 AM CDT Thu Oct 22 2026
Key Messages
- Dense fog may develop late tonight into early Friday morning across portions of northeast IL, especially the central and northern portions of the Chicago metropolitan area.
- Dry and unseasonably mild weather will continue through the upcoming weekend, though it will be slightly cooler near the lake this afternoon and again Friday afternoon.
Discussion
... Issued at 150 AM CDT Thu Oct 22 2026
No significant change to our weather is expected through the weekend. One subtle difference today...
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