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St. Anns School, IL 7-Day Night Weather Forecast
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St. Anns School, IL Weather Forecast
St. Anns School, IL Weather Forecast Date: 705 AM CDT Thu Aug 13 2026
The area/counties/county of: Southern Cook, including the cities of: Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest.or toggle through each period.
Today... Mostly cloudy. Areas of dense fog early in the morning. Showers likely and a chance of thunderstorms early in the afternoon. A chance of showers and a slight chance of thunderstorms late. Highs in the lower 80s. East winds 5 to 10 mph. Chance of precipitation 60%.
Tonight... A chance of thunderstorms until early morning. Showers likely. A slight chance of thunderstorms late. Humid with lows in the upper 60s. East winds 5 to 10 mph. Chance of precipitation 70%.
Friday... Mostly cloudy. Showers likely in the morning. A slight chance of thunderstorms. A chance of showers in the afternoon. Humid with highs around 80. East winds 5 to 10 mph. Chance of precipitation 70%.
Friday Night... Mostly cloudy. A chance of showers in the evening. A chance of thunderstorms. Showers likely after midnight. Humid with lows in the upper 60s. East winds 5 to 10 mph. Chance of precipitation 60%.
Saturday... Mostly cloudy. Showers likely with a chance of thunderstorms in the morning, then a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Southeast winds around 10 mph, becoming south in the afternoon. Chance of precipitation 60%.
Saturday Night... Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of precipitation 50%.
Sunday... Mostly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 50%.
Sunday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 60s. Chance of precipitation 30%.
Monday... Partly cloudy. Highs in the upper 70s.
Monday Night... Mostly clear. Lows in the lower 60s.
Tuesday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.
POP = Probability of Precipitation
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