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| REST OF TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  | | |  | | | | | | |
| Chance of Showers | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy |
| Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C |
| POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 911 PM CDT Tue Sep 22 2026 
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Issued: 630 PM CDT Tue Sep 22 2026
Key Messages
- Widely scattered showers may persist overnight.
- Generally slightly below to below average temperatures expected into at least the first part of the upcoming weekend.
Discussion
... Issued at 210 PM CDT Tue Sep 22 2026
Water vapor imagery early this afternoon shows a compact, but well defined closed mid-upper level low over eastern IA and northwest IL. This system has been a bit slower to weaken and devolve into an open wave than guidance progged yesterday. The 18z sounding that just cam...