Weather in Rock Falls, IL
Updated 2026-09-26 09:00 local time · ZIP codes 61071
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
54°19% rain57°16% rain60°14% rain63°13% rain65°12% rain65°12% rain66°12% rain66°13% rain66°15% rain65°15% rain
63°17% rain
62°14% 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 19%).
It feels like 50°F with winds near 7 mph.
66°F, 12% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 13 mph.
Current temperature is 54°F, wind 7 mph, rain chance up to 19%.
UV index is 1.
Local weather characteristics in Rock Falls
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Rock Falls is part of the Midwest weather region. The forecast point is near 41.78°N latitude and 89.69°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.
Rock Falls weather today
Overcast and 54°F in Rock Falls, IL. Today's high is 66°F with a 15% rain chance. Winds are around 7 mph with gusts near 12 mph. Relative humidity is 71%, pressure is 30.21 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Rock Falls
Sunrise is at 06:50 AM and sunset is at 06:49 PM. Tomorrow's forecast calls for Cloudy with a high near 70°F and a low near 56°F. The maximum rain chance is 7%.