Weather WorldDecatur Classical School, IL 7-Day Night Weather Forecast
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Decatur Classical School, IL Weather Forecast
Decatur Classical School, IL Weather Forecast Date: 321 PM CDT Sat Sep 12 2026
The area/counties/county of: Central Cook, including the cities of: Chicago, Cicero, Oak Lawn, Oak Park, and La Grange.or toggle through each period.
Late This Afternoon... Mostly cloudy. Temperatures in the mid 80s. West winds around 10 mph.
Tonight... Mostly cloudy in the evening, then becoming partly cloudy. A chance of sprinkles early in the evening. Lows in the mid 60s. Northwest winds 5 to 10 mph.
Sunday... Mostly cloudy. A chance of showers in the afternoon. Highs in the mid 70s. North winds 5 to 10 mph. Chance of precipitation 40%.
Sunday Night... Partly cloudy in the evening, then clearing. Lows in the mid 50s. North winds 5 to 10 mph.
Monday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s. East winds 5 to 10 mph, increasing to southeast 10 to 15 mph in the afternoon.
Monday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. South winds 15 to 20 mph with gusts up to 25 mph. Chance of precipitation 30%.
Tuesday... Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 50%.
Tuesday Night... Showers likely with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of precipitation 80%.
Wednesday... Showers, mainly in the morning. Highs in the mid 70s. Chance of precipitation 80%.
Wednesday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Near steady temperature around 70. Chance of precipitation 70%.
Thursday... Showers likely in the morning. Highs in the upper 70s. Chance of precipitation 70%.
Thursday Night... Mostly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 30%.
Friday... Mostly cloudy. A chance of showers in the morning. Highs in the mid 70s. Chance of precipitation 40%.
Friday Night... Mostly cloudy in the evening, then becoming partly cloudy. A 40% chance of showers. Lows in the lower 60s.
POP = Probability of Precipitation
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