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| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  |  |  |  | |  | |  |  |  |
| Mostly Cloudy | Mostly Clear | Mostly Sunny | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Chance of Showers | Showers Likely | Showers |
| Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 20% | POP: 40% | POP: 60% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 120 PM CDT Thu Sep 10 2026 
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Issued: 114 PM CDT Thu Sep 10 2026
Key Messages
- Quieter conditions with near to slightly above normal temperatures through the weekend.
Discussion
... Issued at 114 PM CDT Thu Sep 10 2026
Through Sunday Night:
Ongoing rain showers are being observed south of the Kankakee River Valley this afternoon ahead of a mid level wave that is passing over the area. There has been an increase in shower coverage over the area, being located under the right entrance region of a 300 mb jet. However, lapse rates are fairly poor with the better well o...