* WHAT...Lake effect snow expected. Accumulating wet snow likely away from the lakeshore especially near the Illinois-Indiana state line. Localized snowfall totals of 3 inches or greater possible. * WHERE...Eastern Will and Southern Cook Counties. * WHEN...From midnight tonight to 10 AM CST Friday. * IMPACTS...Plan on slippery road conditions, especially on bridges and overpasses. The hazardous conditions will impact the Friday morning commute.