Latest GFS model data in. Here is the trend. QPF values remain about the same at 0.65 inches water, and it has the precip  heavy both  in the morning and afternoon.  Looks to be all snow.

Looking at the GFS and again at the at the NAM  FOUS data, the temperature profile is trending colder.

A tough call-

I’m going back to my original forecast:  4, possibly 5 inches of snow on grassy surfaces in the immediate suburbs, less in the city. Less on roadways. Up to 6 inches in far northwestern suburbs. Precip ends about 10  pm

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Latest NAM model data in.  Here is the trend.   QPF values remain about the same at 0.67 inches water, but the heaviest preciptation has shifted to the afternoon and lingers later into the evening.

With the heaviest precip occuring during the warmer afternoon hours, somewhat lower snow totals in the city and the the immediate suburbs.  Two, possibly four inches of snow on grassy surfaces in the immediate suburbs, less in the city.  Less on roadways.   Up to 6 inches in far northwestern suburbs.  Some mixing with rain possible late afternoon.  Precip ends about 9 pm

This snow will look worse from your window than it will really be.   A messy day, weatherwise.