Seymour, IL Weather Forecast
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Seymour Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Partly Cloudy | Chance of Rain | Chance of Showers | Mostly Sunny | Mostly Clear | Clear | Clear | Mostly Clear | Mostly Clear | Clear | Clear | Sunny |
| Lo: 39°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 Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C Lo: 29°FLo: -2°C | Hi: 55°FHi: 13°C |
| POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1022 PM CST Wed Nov 11 2026 

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Issued: 1040 PM CST Wed Nov 11 2026
Key Messages
- Blustery and colder conditions are expected for Thursday and Friday as high temperatures only reach the 40s.
- While any showers on Thursday will mainly be isolated, a more concentrated band of lake-effect rain and snow showers may impact areas from Rantoul to Danville Thursday night.
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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