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Thomas Park, IL 7-Day Weather Forecast
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Thomas Park Weather Forecast
Thomas Park, IL Weather Forecast Date: 437 PM CDT Fri Sep 18 2026
Weather forecast for Thomas Park, IL
Tonight Lo: 70°F Lo: 21°C |
Tonight... Partly cloudy. Lows around 70. Southeast winds 5 to 10 mph with gusts up to 20 mph. |
Sat Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Saturday... Mostly cloudy. A slight chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 20%. |
Sun Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Sunday... Showers likely. Cooler with highs in the upper 70s. Northeast winds 10 to 15 mph. Chance of rain 70%. |
| Mon Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Monday... Showers likely, mainly in the morning. Cooler with highs in the upper 60s. Chance of rain 70%. |
Tue Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Tuesday... Partly sunny. Highs in the mid 60s. |
| Wed Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Wednesday... Partly sunny. Highs in the upper 60s. |
Thu Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Thursday... Partly cloudy. Lows in the mid 50s. Highs in the lower 70s. |
| Fri Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Friday... Partly cloudy. Lows in the mid 50s. Highs in the lower 70s. |
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