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Giant City State Park, IL 7-Day Night Weather Forecast
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Giant City State Park, IL Weather Forecast
Giant City State Park, IL Weather Forecast Date: 1219 AM CDT Wed Aug 12 2026
The area/counties/county of: Jackson, including the cities of: Carbondale and Murphysboro.or toggle through each period.
Overnight... Partly cloudy. Lows in the mid 70s. Southwest winds 5 to 10 mph.
Wednesday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Southwest winds around 5 mph. Chance of rain 50%. Highest heat index readings heat index readings up to 106 in the afternoon.
Wednesday Night... Mostly cloudy. A chance of showers after midnight. Lows in the mid 70s. South winds around 5 mph. Chance of rain 40%.
Thursday... Partly sunny. A chance of showers in the morning. Hot with highs in the upper 90s. South winds 5 to 10 mph. Chance of rain 30%. Highest heat index readings heat index readings up to 107 in the afternoon.
Thursday Night... Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph.
Friday... Mostly sunny. Hot with highs in the upper 90s. Highest heat index readings heat index readings up to 105 in the afternoon.
Friday Night... Mostly clear. Hot. Lows in the mid 70s. Highs around 100.
Saturday... Mostly clear. Hot. Lows in the mid 70s. Highs around 100.
Sunday... Mostly clear. Hot. Lows in the mid 70s. Highs around 100.
Monday... Partly cloudy. Highs in the lower 90s. Lows around 70.
POP = Probability of Precipitation
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