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| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
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| Thunderstorms | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Partly Sunny | Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C |
| POP: 90% | POP: 50% | POP: 50% | POP: 50% | POP: 40% | POP: 60% | POP: 50% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 622 PM CDT Tue Sep 15 2026 
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Issued: 705 PM CDT Tue Sep 15 2026
Key Messages
- A level 1 risk of severe weather continues through this evening, with potential for localized damaging winds.
- The storms tonight will produce areas of heavy rain, with potential for localized flooding north of I-72 where training storms are more likely.
- The unseasonably hot weather will continue in areas south of I-72 into the weekend.
Discussion
... Issued at 206 PM CDT Tue Sep 15 2026
Primary boundary stretches from just north of Quincy to near La Salle this hour, while satellite cont...