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South Jacksonville, IL 7-Day Weather Forecast
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South Jacksonville Weather Forecast
South Jacksonville, IL Weather Forecast Date: 838 PM CST Tue Mar 03 2026
Weather forecast for South Jacksonville, IL
Tonight Lo: 40°F Lo: 4°C |
Tonight... Showers with a chance of thunderstorms. Patchy fog. Near steady temperature in the lower 40s. Northeast winds 5 to 10 mph. Chance of rain near 100%. |
Wed Hi: 55°FHi: 13°C Lo: 50°F Lo: 10°C |
Wednesday... Patchy fog in the morning. Cloudy with a slight chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 50s. East winds 5 to 10 mph. Chance of rain 60%. |
Thu Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Thursday... Cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 60s. West winds 5 to 10 mph. Chance of rain 50%. |
| Fri Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
Friday... Partly sunny. 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 upper 70s. Chance of rain 70%. |
Sat Hi: 61°FHi: 16°C Lo: 39°F Lo: 4°C |
Saturday... Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Cooler with highs in the lower 60s. Chance of rain 40%. |
Sun Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Sunday... Mostly clear. Lows in the upper 30s. Highs in the mid 60s. |
| Mon Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Monday... Mostly clear. Lows in the mid 40s. Highs in the lower 70s. |
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