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Oakbrook, WI Weather Forecast
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Oakbrook Weather Forecast
| REST OF TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  | | |  | |  |  |  | | |
| Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Chance of Showers | Chance of Showers | Partly Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy |
| Hi: 69°FHi: 21°C | Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C |
| POP: 40% | POP: 100% | POP: 90% | POP: 70% | POP: 50% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 132 PM CDT Fri Sep 18 2026 
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Issued: 317 PM CDT Fri Sep 18 2026
Key Messages
- Widespread showers and storms this afternoon through Saturday morning (10 PM to 10 AM peak). Widespread 1-3 inches with a band of 3-5 inches of heavy rainfall and flooding impacts are expected. Pockets of locally higher rainfall greater than 5 inches will be possible. A Flood Watch remains and has been expanded for all southern WI.
- Additional showers and storms possible Saturday afternoon and evening. Storms could produce stronger storms and additional heavy downpours, though potenti...