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Island Park, IL 7-Day Weather Forecast
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Island Park Weather Forecast
Island Park, IL Weather Forecast Date: 256 PM CDT Mon Aug 31 2026
Weather forecast for Island Park, IL
Late Today Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Late This Afternoon... Partly cloudy. Isolated showers. Temperatures in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 20%. |
Tue Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Tuesday... Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 105. |
Wed Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Wednesday... Mostly sunny. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 107 in the afternoon. |
Thu Hi: 90°FHi: 32°C Lo: 71°F Lo: 22°C |
Thursday... Partly cloudy. A slight chance of showers and thunderstorms in the morning. Highs around 90. Chance of precipitation 20%. |
| Fri Hi: 90°FHi: 32°C Lo: 70°F Lo: 21°C |
Friday... Partly cloudy. A chance of showers and thunderstorms in the morning. Highs around 90. Chance of precipitation 30%. |
| Sat Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Saturday... Partly cloudy. Highs in the upper 80s. |
| Sun Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Sunday... Partly cloudy. Highs in the mid 80s. |
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