Seymour, IL Weather Forecast

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Seymour, IL Weather Forecast

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Seymour IL weather  - Lightning Observed - 56°F
Lightning Observed
56°F
Updated 3:29 pm
Feels Like 57°F
Humidity 80%
Wind N 22 mph
Barometer  29.7 in
Dew Point 50°F
Seymour IL weather  - Lightning Observed - 13°C
Lightning Observed
13°C
Updated 3:29 pm
Feels Like 14°C
Humidity 80%
Wind N 35 km/h
Barometer  100.6 kPa
Dew Point 10°C

Seymour Weather Forecast

THIS AFTERNOON TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY TUESDAY
Seymour, IL Weather - This Afternoon Chance Of T-Storm Seymour, IL Weather - Tonight Mostly Cloudy Seymour, IL Weather - Thursday Chance Of Rain Seymour, IL Weather - Thursday Night Mostly Cloudy Seymour, IL Weather - Friday Mostly Sunny Seymour, IL Weather - Friday Night Mostly Clear Seymour, IL Weather - Saturday Clear Seymour, IL Weather - Saturday Night Clear Seymour, IL Weather - Sunday Mostly Clear Seymour, IL Weather - Monday Mostly Clear Seymour, IL Weather - Tuesday Sunny
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 Seymour, IL Weather - WeatherWorld.com

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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...