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City of Carthage, ILCarthage, IL 7-Day Weather Forecast
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Carthage Weather Forecast
Carthage, IL Weather Forecast Date: 952 PM CST Tue Mar 03 2026
Weather forecast for Carthage, IL
Tonight Lo: 40°F Lo: 4°C |
Tonight... Cloudy. Showers with a chance of thunderstorms this evening, then a chance of rain after midnight. Near steady temperature in the lower 40s. Northeast winds 5 to 10 mph. Chance of rain 90%. |
Wed Hi: 51°FHi: 11°C Lo: 49°F Lo: 9°C |
Wednesday... Cloudy with a chance of rain. A slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 50%. |
Thu Hi: 61°FHi: 16°C Lo: 49°F Lo: 9°C |
Thursday... Mostly cloudy with a chance of showers in the morning, then mostly sunny in the afternoon. Not as cool with highs in the lower 60s. West winds 5 to 10 mph, becoming southwest in the afternoon. Chance of rain 40%. |
| Fri Hi: 75°FHi: 24°C Lo: 49°F Lo: 9°C |
Friday... Rain with a chance of thunderstorms. Highs in the mid 70s. Lows in the upper 40s. Chance of rain 90%. |
Sat Hi: 59°FHi: 15°C Lo: 39°F Lo: 4°C |
Saturday... Partly sunny in the morning, then clearing. Much cooler with highs in the upper 50s. |
Sun Hi: 65°FHi: 18°C Lo: 41°F Lo: 5°C |
Sunday... Mostly clear. Lows in the upper 30s. Highs in the mid 60s. |
| Mon Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Monday... Mostly clear. Lows in the lower 40s. Highs in the lower 70s. |
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