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Mendon, IL 7-Day Weather Forecast
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Mendon Weather Forecast
Mendon, IL Weather Forecast Date: 458 PM CST Mon Mar 02 2026
Weather forecast for Mendon, IL
Tonight Lo: 39°F Lo: 4°C |
Tonight... Cloudy. Patchy fog. Rain after midnight. Near steady temperature in the upper 30s. East winds 5 to 10 mph. Chance of rain 90%. |
Tue Hi: 51°FHi: 11°C Lo: 41°F Lo: 5°C |
Tuesday... Patchy fog in the morning. Rain. A slight chance of thunderstorms in the afternoon. Not as cool with highs in the lower 50s. East winds 5 to 10 mph. Chance of rain near 100%. |
| Wed Hi: 59°FHi: 15°C Lo: 49°F Lo: 9°C |
Wednesday... Rain likely with a slight chance of thunderstorms. Highs in the upper 50s. East winds 5 to 10 mph. Chance of rain 70%. |
| Thu Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Thursday... Mostly cloudy with rain likely with a slight chance of thunderstorms in the morning, then partly sunny with a slight chance of rain in the afternoon. Highs in the mid 60s. Chance of rain 70%. |
| Fri Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Friday... Mostly cloudy. Rain with a chance of thunderstorms in the morning, then a chance of rain with a slight chance of thunderstorms in the afternoon. Not as cool with highs in the upper 70s. Chance of rain 80%. |
Sat Hi: 65°FHi: 18°C Lo: 41°F Lo: 5°C |
Saturday... Mostly cloudy. A chance of rain, mainly in the morning. Cooler with highs in the mid 60s. Chance of rain 50%. |
Sun Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Sunday... Partly sunny. Highs in the mid 60s. |
Mendon Radar Loop
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