Weather WorldSt. Clair Park, IL 7-Day Weather Forecast
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St. Clair Park Weather Forecast
St. Clair Park, IL Weather Forecast Date: 743 PM CDT Thu Aug 06 2026
Weather forecast for St. Clair Park, IL
Tonight Lo: 70°F Lo: 21°C |
Tonight... Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the lower 70s. Southeast winds around 5 mph. Chance of rain 50%. |
Fri Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Friday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Warmer with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 30%. Heat index values up to 100 in the afternoon. |
| Sat Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Saturday... Mostly sunny. A slight chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 20%. Heat index values up to 103. |
| Sun Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Sunday... Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of rain 20%. Heat index values up to 105 in the afternoon. |
Mon Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Monday... Sunny. Highs in the lower 90s. Heat index values up to 110. |
| Tue Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Tuesday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20%. Heat index values up to 105. |
| Wed Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Wednesday... Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 80s. Chance of rain 50%. Heat index values up to 100. |
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