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Thomas Lake, IL 7-Day Weather Forecast
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Thomas Lake Weather Forecast
Thomas Lake, IL Weather Forecast Date: 641 AM CDT Tue Sep 15 2026
Weather forecast for Thomas Lake, IL
Today Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Today... Mostly sunny. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph, becoming west this afternoon. Chance of rain 40%. |
Wed Hi: 81°FHi: 27°C Lo: 70°F Lo: 21°C |
Wednesday... Mostly cloudy. Showers likely, mainly in the morning. Humid with highs in the lower 80s. East winds 5 to 10 mph. Chance of rain 70%. |
| Thu Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Thursday... Partly sunny. A chance of showers in the morning. Humid with highs in the upper 80s. West winds around 5 mph, becoming north in the afternoon. Chance of rain 50%. |
Fri Hi: 85°FHi: 29°C Lo: 70°F Lo: 21°C |
Friday... A chance of showers in the morning. Mostly sunny. Highs in the mid 80s. Chance of rain 40%. |
| Sat Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Saturday... Mostly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 40%. |
| Sun Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Sunday... Partly sunny with a chance of showers. Not as warm with highs in the mid 70s. Chance of rain 50%. |
Mon Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Monday... Mostly cloudy. Lows in the upper 50s. Highs in the lower 70s. |
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