Summersville, IL Weather Forecast

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Summersville, IL Weather Forecast

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Summersville IL weather  - Clear - 53°F
Clear
53°F
Updated 9:48 pm
Feels Like 60°F
Humidity 92%
Wind N 0 mph
Barometer  30.36 in
Dew Point 51°F
Summersville IL weather  - Clear - 12°C
Clear
12°C
Updated 9:48 pm
Feels Like 15°C
Humidity 92%
Wind N 0 km/h
Barometer  102.8 kPa
Dew Point 11°C

Summersville Weather Forecast

TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY
Summersville, IL Weather - Tonight Mostly Cloudy Summersville, IL Weather - Monday Partly Sunny Summersville, IL Weather - Monday Night Partly Cloudy Summersville, IL Weather - Tuesday Partly Sunny Summersville, IL Weather - Tuesday Night Partly Cloudy Summersville, IL Weather - Wednesday Sunny Summersville, IL Weather - Wednesday Night Clear Summersville, IL Weather - Thursday Sunny Summersville, IL Weather - Thursday Night Partly Cloudy Summersville, IL Weather - Friday Partly Cloudy Summersville, IL Weather - Friday Night Mostly Cloudy Summersville, IL Weather - Saturday Chance Of Showers
Mostly Cloudy Partly Sunny Partly Cloudy Partly Sunny Partly Cloudy Sunny Clear Sunny Partly Cloudy Partly Cloudy Mostly Cloudy Chance of Showers
Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
Lo: 50°FLo: 10°C Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C Hi: 81°FHi: 27°C
Hi: 81°FHi: 27°C
Lo: 51°FLo: 11°C
Hi: 81°FHi: 27°C
Lo: 51°FLo: 11°C
Lo: 59°FLo: 15°C Hi: 75°FHi: 24°C
POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 812 PM CDT Sun Oct 25 2026 Summersville, IL Weather - WeatherWorld.com

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Summersville Forecast Discussion

Meteorlogic Glosserator
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Issued: 601 PM CDT Sun Oct 25 2026

Key Messages

  • Comfortably mild and pleasant temperatures are forecast to continue this week.
  • Dry weather continues through Friday, with rain chances returning to the forecast next weekend.

Discussion

... Issued at 1200 PM CDT Sun Oct 25 2026

High pressure maintains solid hold on our weather for nearly the entirety of this week. The model signals we`ve been discussing our past few AFDs for rain chances next weekend are increasing, but the devil is in the details, specifically wrt to timing. Some deter...