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| REST OF TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  | | | | | | | | |
| Chance of T-Storm | Mostly Cloudy | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C |
| POP: 90% | POP: 40% | POP: 70% | POP: 50% | POP: 70% | POP: 80% | POP: 90% | POP: 70% | POP: 40% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 854 AM CDT Tue Sep 15 2026 
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Issued: 550 AM CDT Tue Sep 15 2026
Key Messages
- Heavy rainfall with the potential for flash flooding will persist through cold frontal passage this afternoon.
- Heavy rain and storm chances continue through at least the middle of the week and possibly the end of the week, leading to both flash flooding and river flooding concerns.
Aviation
/06Z TAFS THROUGH 06Z WEDNESDAY/... Issued at 550 AM CDT Tue Sep 15 2026
Widespread showers and embedded thunderstorms continue early this morning across central and eastern IA, with some decrease no...