Sylvain Park, IL Weather Forecast

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Sylvain Park, IL Weather Forecast

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Sylvain Park IL weather  - Clear - 57°F
Clear
57°F
Updated 8:52 pm
Feels Like 60°F
Humidity 69%
Wind N 0 mph
Barometer  30.27 in
Dew Point 47°F
Sylvain Park IL weather  - Clear - 14°C
Clear
14°C
Updated 8:52 pm
Feels Like 15°C
Humidity 69%
Wind N 0 km/h
Barometer  102.5 kPa
Dew Point 8°C

Sylvain Park Weather Forecast

TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Sylvain Park, IL Weather - Tonight Patchy Fog Sylvain Park, IL Weather - Tuesday Patchy Fog Sylvain Park, IL Weather - Tuesday Night Mostly Cloudy Sylvain Park, IL Weather - Wednesday Mostly Sunny Sylvain Park, IL Weather - Wednesday Night Mostly Clear Sylvain Park, IL Weather - Thursday Sunny Sylvain Park, IL Weather - Thursday Night Partly Cloudy Sylvain Park, IL Weather - Friday Mostly Cloudy Sylvain Park, IL Weather - Friday Night Mostly Cloudy Sylvain Park, IL Weather - Saturday Mostly Cloudy Sylvain Park, IL Weather - Saturday Night Chance Of Showers Sylvain Park, IL Weather - Sunday Chance Of Showers
Patchy Fog Patchy Fog Mostly Cloudy Mostly Sunny Mostly Clear Sunny Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Chance of Showers Chance of Showers
Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
Lo: 55°FLo: 13°C
Hi: 79°FHi: 26°C
Lo: 55°FLo: 13°C
Hi: 75°FHi: 24°C
Hi: 71°FHi: 22°C
Lo: 55°FLo: 13°C
Hi: 71°FHi: 22°C
Lo: 55°FLo: 13°C
POP: 50% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 737 PM CDT Mon Oct 26 2026 Sylvain Park, IL Weather - WeatherWorld.com

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Sylvain Park Forecast Discussion

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Issued: 645 PM CDT Mon Oct 26 2026

Key Messages

  • Above-normal warmth and dry conditions are expected through Friday, with afternoon temperatures in the 70s to near 80 degrees, solidifying one of the warmest Octobers on record.
  • Scattered, light showers carry a low chance (10% to 30%) Thursday into Friday, primarily near and north of Interstate 72, offering no significant relief to ongoing dry conditions.
  • A pattern shift is likely heading into the weekend and persisting into next week, increasing confidence in cooler, windier, and we...