| NWS Forecast for: Chicago IL Issued by: National Weather Service Chicago, IL Last Update: 4:31 am CDT Sep 15, 2026 | |
Overnight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 19. South wind around 25 km/h, with gusts as high as 40 km/h. Tuesday: Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 27. Southwest wind 15 to 25 km/h, with gusts as high as 35 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible. Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 19. North northwest wind around 10 km/h, with gusts as high as 20 km/h. Chance of precipitation is 50%. Wednesday: A 40 percent chance of showers, mainly before 4pm. Mostly cloudy, with a high near 22. Northeast wind 10 to 15 km/h. Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 19. East northeast wind 5 to 10 km/h becoming southwest after midnight. Chance of precipitation is 60%. Thursday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Mostly cloudy, with a high near 24. Chance of precipitation is 50%. Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 18. Friday: A chance of showers before 1pm. Partly sunny, with a high near 23. Friday Night: A chance of showers after 1am. Mostly cloudy, with a low around 18. Saturday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 27. Saturday Night: Showers likely. Mostly cloudy, with a low around 18. Sunday: A chance of showers. Mostly cloudy, with a high near 23. Sunday Night: A chance of showers. Mostly cloudy, with a low around 15. Monday: Partly sunny, with a high near 21. | |
| Chicago IL 41.86°N 87.68°W | |
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