CHICAGO (CBS) — Sunday will feel just like July in the Chicago area. It will be a bit steamier as highs get near 90 degrees.

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There is a slight chance for an isolated shower or thunderstorm in the afternoon, but scattered showers and thunderstorms are more likely Monday through Thursday.

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Temperatures will cool slightly by the end of the week but stay well above average for June.

Sunday: Sunny start then becoming partly cloudy, more humid.  Highs near 90°
Sunday night:  Partly cloudy, warm & muggy.  Lows near 70°
Extended:  Partly sunny to partly cloudy Monday through Thursday with some scattered showers and thunderstorms possible.  Falling from the upper 80s Monday to the lower 80s by Friday

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CBS 2 Chicago Staff