Avi, 9, races his bike along the Big Marsh Park pump track Sept. 18. Credit: Maxwell Evans/Block Club Chicago

CHICAGO — Stormy, chillier weather is expected to hit Chicago later this week.

The city’s had a mild start to the week, with temperatures expected to hit the low 70s on Tuesday. Sunny skies are expected, too, according to the National Weather Service.

Wednesday will see temperatures stick around the low 70s, with an expected high of 72, according to the weather agency. The day will start sunny, but there’s a chance for showers and thunderstorms after 2 p.m.

Thursday will be partly sunny, but it has a chance for rain showers, too. Then things will cool off: The high temperature for the day is expected to be 61 degrees.

Friday will stay cool, with Chicago only expected to warm up to 57 degrees, according to the National Weather Service. The day will be mostly cloudy.

The weekend will see more of the same weather, as Saturday has an expected high of 57 degrees and Sunday could hit 56 degrees. Saturday will be mostly sunny, but Sunday has another chance for showers.

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