CHICAGO (CBS) — Unseasonably cold weather will stick around Chicago for the next week, with a chance of snow accumulation this weekend.

Temperatures over the next seven days will remain well below freezing on most days.

This weekend, highs will only reach the mid 20s.

Overnight, wind chills could be below zero.

Snow will move into the area on Sunday night, with 2-3 inches possible north of Interstate 88.

There is also a chance of lake effect snow in Lake and Cook counties on Saturday night.

The average high temperature for this time of year is the upper 30s.

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