CHICAGO (CBS)– It’s going to be a foggy rest of the evening.

CBS 2 meteorologist Mary Kay Kleist reported low patches of fog were pushing inland from Lake Michigan during the 8 p.m. hour.

This evening, Kleist expects that fog along the immediate lakefront will increase and visibility will drop quickly in spots.

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On Monday eveing, there was a Dense Fog Advisory for Lake County, Illinois. That fog is expected to drift west into McHenry County.

Most of Cook County was mainly low clouds and light fog. But a Fog Advisory for the city was a possibility for later Monday night.

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Temperatures are expected to drop to the 60s Monday evening.

Fog will linger into Tuesday morning, but later in the day is expected to be partly sunny with a high of 80 degrees.

The rest of the week is expected to be partly sunny with temperatures in the mid 80s. Temperatures will be in the upper 70s by the weekend.