Illiana High School, IL 7-Day Night Weather Forecast
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Illiana High School, IL Weather Forecast


Illiana High School, IL Weather Forecast Date: 241 AM CDT Mon Aug 03 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.
Early This Morning... Partly cloudy. Patchy fog. Temperatures in the lower 60s. Northeast winds around 5 mph.
Today... Partly cloudy. Patchy fog early in the morning. Highs in the lower 80s. Northeast winds around 5 mph.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. East winds around 5 mph, becoming south after midnight.
Tuesday... Partly cloudy. Highs in the lower 80s. Southwest winds 5 to 10 mph.
Tuesday Night... Partly cloudy. Lows in the mid 60s. South winds around 5 mph.
Wednesday... Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds around 5 mph. Chance of precipitation 50%.
Wednesday Night... A chance of thunderstorms. Showers. Lows in the mid 60s. Chance of precipitation 80%.
Thursday... Mostly cloudy. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 60%.
Thursday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s.
Friday... Partly cloudy. Highs in the lower 80s.
Friday Night... Partly cloudy. Lows in the mid 60s.
Saturday... Partly cloudy. Highs in the mid 80s.
Saturday Night... Mostly clear. Lows in the upper 60s.
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