Big Rock, IL Weather Forecast

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Big Rock, IL Weather Forecast

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Big Rock IL weather  - Clear - 47°F
Clear
47°F
Updated 4:31 am
Feels Like 51°F
Humidity 92%
Wind N/A N/A mph
Barometer  30.33 in
Dew Point 45°F
Big Rock IL weather  - Clear - 8°C
Clear
8°C
Updated 4:31 am
Feels Like 11°C
Humidity 92%
Wind N/A 0 km/h
Barometer  102.7 kPa
Dew Point 7°C

Big Rock Weather Forecast

EARLY THIS MORNING TODAY TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY
Big Rock, IL Weather - Early This Morning Mostly Cloudy Big Rock, IL Weather - Today Mostly Cloudy Big Rock, IL Weather - Tonight Partly Cloudy Big Rock, IL Weather - Tuesday Mostly Cloudy Big Rock, IL Weather - Tuesday Night Mostly Cloudy Big Rock, IL Weather - Wednesday Partly Cloudy Big Rock, IL Weather - Wednesday Night Chance Of T-Storm Big Rock, IL Weather - Thursday Chance Of T-Storm Big Rock, IL Weather - Thursday Night Partly Cloudy Big Rock, IL Weather - Friday Mostly Cloudy Big Rock, IL Weather - Friday Night Chance Of Showers Big Rock, IL Weather - Saturday Chance Of Showers
Mostly Cloudy Mostly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Chance of T-Storm Chance of T-Storm Partly Cloudy Mostly Cloudy Chance of Showers Chance of Showers
Hi: 49°FHi: 9°C
Hi: 65°FHi: 18°C
Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
Lo: 51°FLo: 11°C Hi: 70°FHi: 21°C
POP: 20% POP: 40% POP: 30% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 231 AM CDT Mon Oct 26 2026 Big Rock, IL Weather - WeatherWorld.com

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Issued: 233 AM CDT Mon Oct 26 2026

Key Messages

  • Cooler with breezy northeast winds today, especially north of Interstate 80.
  • Warmer temperatures in the low to mid 70s return by the middle of the week.
  • A pattern change toward more opportunities for regular rainfall is set to occur toward the end of the week and into the first week of November.

Discussion

... Issued at 233 AM CDT Mon Oct 26 2026

A surface cold front is beginning to shift southward into far northern Illinois early this morning. This front will bring a northeasterly wind...