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City of Mattoon, IllinoisMattoon, IL 7-Day Weather Forecast
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Mattoon Weather Forecast
Mattoon, IL Weather Forecast Date: 937 PM CST Sun Nov 08 2026
Weather forecast for Mattoon, IL
Tonight Lo: 39°F Lo: 4°C |
Tonight... Clear. Lows in the upper 30s. West winds around 5 mph. |
Mon Hi: 61°FHi: 16°C Lo: 41°F Lo: 5°C |
Monday... Sunny. Highs in the lower 60s. West winds around 5 mph. |
| 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: 65°FHi: 18°C Lo: 41°F Lo: 5°C |
Veterans Day... Partly sunny. A chance of rain in the afternoon. Highs in the mid 60s. Chance of rain 50%. |
Thu Hi: 50°FHi: 10°C Lo: 31°F Lo: -1°C |
Thursday... Partly sunny. Much cooler with highs around 50. |
Fri Hi: 45°FHi: 7°C Lo: 29°F Lo: -2°C |
Friday... Partly cloudy. Lows in the lower 30s. Highs in the mid 40s. |
| Sat Hi: 50°FHi: 10°C Lo: 31°F Lo: -1°C |
Saturday... Sunny. Highs around 50. |
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