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Zion, IL 7-Day Weather Forecast
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Zion Weather Forecast
Zion, IL Weather Forecast Date: 241 PM CDT Thu Sep 17 2026
Weather forecast for Zion, IL
Late Today Hi: 69°FHi: 21°C Lo: 61°F Lo: 16°C |
Late This Afternoon... Cloudy. Patchy fog. A slight chance of showers or patchy drizzle. Temperatures in the upper 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20%. |
Fri Hi: 70°FHi: 21°C Lo: 61°F Lo: 16°C |
Friday... Mostly cloudy. A slight chance of showers late. Highs around 70. East winds 10 to 15 mph. Chance of precipitation 20%. |
Sat Hi: 70°FHi: 21°C Lo: 61°F Lo: 16°C |
Saturday... Showers with a chance of thunderstorms. Highs around 70. Southeast winds 10 to 15 mph, diminishing to 5 to 10 mph in the afternoon. Chance of precipitation near 100%. |
| Sun Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Sunday... Showers likely, mainly in the morning. Highs in the upper 60s. Chance of precipitation 70%. |
| Mon Hi: 61°FHi: 16°C Lo: 51°F Lo: 11°C |
Monday... Showers likely, mainly in the morning. Highs in the lower 60s. Chance of precipitation 60%. |
Tue Hi: 61°FHi: 16°C Lo: 51°F Lo: 11°C |
Tuesday... Mostly cloudy. Highs in the lower 60s. |
| Wed Hi: 65°FHi: 18°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly cloudy. Highs in the mid 60s. |
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