Flat Rock, IL 7-Day Weather Forecast
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Flat Rock Weather Forecast


Flat Rock, IL Weather Forecast Date: 937 PM CST Sun Nov 08 2026
Weather forecast for Flat Rock, IL
| Tonight Lo: 39°F Lo: 4°C |
Tonight... Clear. Lows in the upper 30s. West winds around 5 mph. |
| Mon Hi: 65°FHi: 18°C Lo: 41°F Lo: 5°C |
Monday... Sunny. Highs in the mid 60s. Northwest winds around 5 mph, becoming southwest around 5 mph in the afternoon. |
| Tue Hi: 69°FHi: 21°C Lo: 41°F Lo: 5°C |
Tuesday... Sunny. Highs in the upper 60s. West winds around 5 mph. |
| Veterans Day Hi: 69°FHi: 21°C Lo: 31°F Lo: -1°C |
Veterans Day... Mostly cloudy. A 40% chance of rain. Highs in the upper 60s. Lows in the lower 40s. |
| Thu Hi: 51°FHi: 11°C Lo: 31°F Lo: -1°C |
Thursday... Mostly cloudy. Highs in the lower 50s. Lows in the lower 30s. |
| Fri Hi: 49°FHi: 9°C Lo: 30°F Lo: -1°C |
Friday... Mostly sunny. Highs in the upper 40s. |
| Sat Hi: 51°FHi: 11°C Lo: 30°F Lo: -1°C |
Saturday... Mostly clear. Lows around 30. Highs in the lower 50s. |
| Sat Hi: 51°FHi: 11°C Lo: 30°F Lo: -1°C |
Saturday... Mostly clear. Lows around 30. Highs in the lower 50s. |
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