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City of Monmouth, ILMonmouth, IL 7-Day Weather Forecast
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Monmouth Weather Forecast
Monmouth, IL Weather Forecast Date: 852 PM CST Mon Mar 02 2026
Weather forecast for Monmouth, IL
Tonight Lo: 35°F Lo: 2°C |
Tonight... Cloudy. A chance of rain after midnight. Lows in the mid 30s. Southeast winds around 5 mph. Chance of rain 50%. |
| Tue Hi: 49°FHi: 9°C Lo: 39°F Lo: 4°C |
Tuesday... Cloudy. Rain likely, mainly in the morning. Highs in the upper 40s. East winds around 5 mph. Chance of rain 70%. |
| Wed Hi: 55°FHi: 13°C Lo: 45°F Lo: 7°C |
Wednesday... Cloudy. Rain likely, mainly in the morning. Highs in the mid 50s. East winds 5 to 10 mph. Chance of rain 60%. |
| Thu Hi: 61°FHi: 16°C Lo: 45°F Lo: 7°C |
Thursday... Cloudy. Rain likely in the morning. Highs in the lower 60s. Chance of rain 70%. |
| Fri Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Friday... Rain, mainly in the morning. Warmer with highs in the lower 70s. Chance of rain 90%. |
Sat Hi: 65°FHi: 18°C Lo: 40°F Lo: 4°C |
Saturday... Mostly cloudy. A chance of rain in the morning. Highs in the mid 60s. Chance of rain 40%. |
Sun Hi: 61°FHi: 16°C Lo: 41°F Lo: 5°C |
Sunday... Mostly sunny. Highs in the lower 60s. |
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