Collison, IL 7-Day Weather Forecast
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Collison Weather Forecast


Collison, IL Weather Forecast Date: 444 AM CST Mon Nov 02 2026
Weather forecast for Collison, IL
| Today Hi: 65°FHi: 18°C Lo: 60°F Lo: 16°C |
Today... Cloudy. Patchy drizzle this morning. Highs in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. |
| Tue Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Tuesday... Partly sunny in the morning, then mostly cloudy with a chance of rain in the afternoon. Breezy and not as cool with highs in the mid 70s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50%. |
| Wed Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Wednesday... Mostly cloudy with rain likely in the morning, then partly sunny in the afternoon. Highs in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70%. |
| Thu Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Thursday... Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. |
| Fri Hi: 59°FHi: 15°C Lo: 40°F Lo: 4°C |
Friday... Mostly cloudy. Lows in the mid 40s. Highs in the upper 50s. |
| Sat Hi: 59°FHi: 15°C Lo: 39°F Lo: 4°C |
Saturday... Mostly cloudy. Lows around 40. Highs in the upper 50s. |
| Sun Hi: 59°FHi: 15°C Lo: 39°F Lo: 4°C |
Sunday... Partly cloudy. Lows in the upper 30s. Highs in the upper 50s. |
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