McCarthy Lake, IL 7-Day Weather Forecast
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McCarthy Lake Weather Forecast


McCarthy Lake, IL Weather Forecast Date: 127 AM CDT Sat Oct 10 2026
Weather forecast for McCarthy Lake, IL
| Tonight Lo: 59°F Lo: 15°C |
Tonight... Mostly cloudy. Not as cool with lows in the upper 50s. Southeast winds around 5 mph. |
| Sat Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Saturday... Mostly cloudy. Cooler with highs in the mid 70s. Southeast winds 5 to 10 mph. |
| Sun Hi: 80°FHi: 27°C Lo: 59°F Lo: 15°C |
Sunday... Mostly cloudy in the morning, then clearing. Highs around 80. North winds 5 to 10 mph. |
| Columbus Day Hi: 90°FHi: 32°C Lo: 61°F Lo: 16°C |
Columbus Day... Sunny, warmer with highs around 90. |
| Tue Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Tuesday... Mostly clear. Highs in the upper 80s. Lows in the lower 60s. |
| Wed Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Wednesday... Mostly sunny with a chance of showers. Cooler with highs in the upper 70s. Chance of rain 50%. |
| Thu Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Thursday... Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 50%. |
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