* WHAT...Heavy snow and blowing and drifting snow expected. Total snow accumulations between 4 and 8 inches. Winds gusting as high as 60 mph. * WHERE...Portions of southwest and west central Michigan. * WHEN...From 1 AM to 7 PM EST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibilities may drop below 1/4 mile due to falling and blowing snow. Whiteout and near blizzard conditions are expected and will make travel treacherous and potentially life-threatening. Visibility and road conditions may change rapidly over short distances in lake effect snow. Strong winds could cause tree damage and some power outages.