Weather WorldChapin, IL 7-Day Weather Forecast
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Chapin Weather Forecast
Chapin, IL Weather Forecast Date: 937 PM CST Mon Mar 02 2026
Weather forecast for Chapin, IL
Tonight Lo: 39°F Lo: 4°C |
Tonight... Cloudy. Rain likely. Patchy fog. Near steady temperature in the upper 30s. Southeast winds around 5 mph. Chance of rain 70%. |
Tue Hi: 51°FHi: 11°C Lo: 41°F Lo: 5°C |
Tuesday... Showers in the morning, then showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 50s. East winds around 5 mph. Chance of rain near 100%. |
| Wed Hi: 60°FHi: 16°C Lo: 51°F Lo: 11°C |
Wednesday... Patchy fog in the morning. Showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs around 60. East winds 5 to 10 mph, becoming southeast in the afternoon. Chance of rain 80%. |
Thu Hi: 65°FHi: 18°C Lo: 50°F Lo: 10°C |
Thursday... Cloudy in the morning, then becoming partly sunny. Showers likely, mainly in the morning. Highs in the mid 60s. Chance of rain 70%. |
| Fri Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Friday... Mostly cloudy. Showers likely with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. Not as cool with highs in the mid 70s. Chance of rain 70%. |
Sat Hi: 65°FHi: 18°C Lo: 41°F Lo: 5°C |
Saturday... Cloudy. Showers likely, mainly in the morning. Cooler with highs in the mid 60s. Chance of rain 60%. |
Sun Hi: 61°FHi: 16°C Lo: 45°F Lo: 7°C |
Sunday... Mostly cloudy. Lows in the lower 40s. Highs in the lower 60s. |
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