| NWS Forecast for: Mundelein IL Issued by: National Weather Service Chicago, IL Last Update: 9:11 am CDT Sep 7, 2026 |  |
| Labor Day: Sunny, with a high near 26. East wind 10 to 15 km/h. Tonight: Partly cloudy, with a low around 17. East wind around 10 km/h. Tuesday: Partly sunny, with a high near 29. South wind 10 to 15 km/h, with gusts as high as 25 km/h. Tuesday Night: Showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 22. South wind around 15 km/h, with gusts as high as 25 km/h. Chance of precipitation is 60%. Wednesday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm. High near 28. Southwest wind 15 to 20 km/h, with gusts as high as 35 km/h. Chance of precipitation is 80%. Wednesday Night: Partly cloudy, with a low around 16. Thursday: Sunny, with a high near 25. Thursday Night: Mostly clear, with a low around 13. Friday: Sunny, with a high near 27. Friday Night: A chance of showers after 1am. Partly cloudy, with a low around 17. Saturday: Mostly sunny, with a high near 28. Saturday Night: Partly cloudy, with a low around 17. Sunday: A chance of showers. Mostly sunny, with a high near 26. | |
| Mundelein IL 42.26°N 88°W | |
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