Sunday Night: Partly to mostly cloudy skies. Slight chance of showers. N 5-10 mph. Low: 54

Monday: A chance of showers early then partly sunny. NNE 5-10 mph. High: 69

Extended outlook calls for partly sunny skies on Tuesday with a chance of showers in the afternoon. More sunshine for Wed/Thu/Fri. The last days of summer will feel like summer with highs for several days in a row near 80. Fall begins with the equinox on Saturday.
Chicago Weather | Tom Skilling and the WGN Weather Center’s Forecast (wgntv.com)