Weather in Big Rock, IL
Updated 2026-09-26 10:00 local time · ZIP codes 60511
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
58°14% rain61°13% rain63°12% rain65°11% rain66°10% rain66°10% rain66°10% rain66°12% rain65°13% rain
61°13% rain59°14% rain57°13% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 14%).
It feels like 52°F with winds near 8 mph.
66°F, 10% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 12 mph.
Current temperature is 58°F, wind 8 mph, rain chance up to 14%.
UV index is 2.
Local weather characteristics in Big Rock
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Big Rock is part of the Midwest weather region. The forecast point is near 41.76°N latitude and 88.55°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Big Rock weather today
Overcast and 58°F in Big Rock, IL. Today's high is 66°F with a 11% rain chance. Winds are around 8 mph with gusts near 10 mph. Relative humidity is 59%, pressure is 30.22 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Big Rock
Sunrise is at 06:45 AM and sunset is at 06:45 PM. Tomorrow's forecast calls for Overcast with a high near 69°F and a low near 53°F. The maximum rain chance is 10%.