From the Facebook page of the northern Indiana office of the National Weather Service:

A Winter Weather Advisory is in effect northwest Indiana and southwest lower Michigan until 7pm EST tonight. Quick bursts of 1 to 2 inches of snow will fall within heaviest lake-effect bands. Outside of the advisory area, snow totals will be less than one inch north of US 6 and flurries south. Travel may become treacherous along area roads today. Please be cautious while driving. Stay tuned for the latest forecast updates on our website at www.weather.gov/iwx.