Seymour, IL Weather Forecast
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Seymour Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY |
| Chance of T-Storm | Mostly Cloudy | Chance of Rain | Mostly Cloudy | Mostly Sunny | Mostly Clear | Clear | Clear | Mostly Clear | Mostly Clear | Sunny |
| Hi: 69°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 49°FHi: 9°C | Lo: 31°FLo: -1°C | Hi: 41°FHi: 5°C | Lo: 25°FLo: -4°C | Hi: 45°FHi: 7°C Lo: 25°FLo: -4°C | Hi: 45°FHi: 7°C Lo: 25°FLo: -4°C | Hi: 50°FHi: 10°C Lo: 29°FLo: -2°C | Hi: 50°FHi: 10°C Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C |
| POP: 70% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 121 PM CST Wed Nov 11 2026 

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Issued: 246 PM CST Wed Nov 11 2026
Key Messages
- There is a Marginal Risk (level 1 of 5) for severe weather along and east of I-57 this afternoon with a Slight Risk (level 2 of 5) now over the Wabash river valley.
- Blustery and colder conditions are expected for Thursday and Friday as high temperatures dip below normal into the 40s.
Discussion
... Issued at 230 PM CST Wed Nov 11 2026
At 20Z/2 pm, a deepening 1006 mb low pressure was near Clinton IL in DeWitt county with cold front passing east of I-55 early this afternoon. Temperatures...
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