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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: 852 PM CST Mon Mar 02 2026
Weather forecast for Rock Falls, IL
Tonight Lo: 31°F Lo: -1°C |
Tonight... Mostly cloudy. A slight chance of rain after midnight. Not as cool with lows in the lower 30s. East winds around 5 mph. Chance of rain 20%. |
Tue Hi: 45°FHi: 7°C Lo: 31°F Lo: -1°C |
Tuesday... Cloudy. A chance of rain in the morning. Highs in the mid 40s. East winds around 5 mph. Chance of rain 50%. |
Wed Hi: 51°FHi: 11°C Lo: 41°F Lo: 5°C |
Wednesday... Partly sunny in the morning, then becoming mostly cloudy. A 40% chance of rain. Highs in the lower 50s. East winds 5 to 10 mph. |
| Thu Hi: 59°FHi: 15°C Lo: 41°F Lo: 5°C |
Thursday... Cloudy. Rain likely, mainly in the morning. Highs in the upper 50s. Chance of rain 70%. |
| Fri Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Friday... Rain, warmer with highs in the upper 60s. Chance of rain 90%. |
| Sat Hi: 61°FHi: 16°C Lo: 39°F Lo: 4°C |
Saturday... Mostly cloudy. A chance of rain in the morning. Highs in the lower 60s. Chance of rain 40%. |
Sun Hi: 61°FHi: 16°C Lo: 41°F Lo: 5°C |
Sunday... Partly cloudy. Lows in the upper 30s. Highs in the lower 60s. |
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