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City of Rock Falls, ILRock Falls, IL 7-Day Weather Forecast
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Rock Falls Weather Forecast
Rock Falls, IL Weather Forecast Date: 116 AM CDT Sun Sep 27 2026
Weather forecast for Rock Falls, IL
Tonight Lo: 55°F Lo: 13°C |
Tonight... Mostly cloudy. Lows in the mid 50s. East winds around 5 mph. |
Sun Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Sunday... Partly sunny. Highs in the lower 70s. East winds around 5 mph. |
Mon Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Monday... Sunny. Highs in the lower 70s. Light and variable winds. |
| Tue Hi: 75°FHi: 24°C Lo: 61°F Lo: 16°C |
Tuesday... Mostly sunny. Highs in the mid 70s. |
Wed Hi: 71°FHi: 22°C Lo: 61°F Lo: 16°C |
Wednesday... Showers likely. Highs in the lower 70s. Lows in the lower 60s. Chance of rain 70%. |
| Thu Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Thursday... Showers likely, mainly in the morning. Highs in the lower 70s. Chance of rain 70%. |
Fri Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Friday... Partly sunny with a 40% chance of showers. Highs in the mid 60s. |
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