There's a winter storm watch for counties on and below I-94 as well as counties in mid and southeast Michigan. The watch is in effect from late this evening through tomorrow afternoon.
In the lower half of west Michigan, as well as mid-Michigan, there could be an inch of snow falling per hour,with six inches of total snowfall possible.
In southeast Michigan, rain will turn to snow overnight with accumulation of an inch an hour. Four to six inches of snow could fall in the Flint area, with a possibility of more than six inches of snow in Ann Arbor and Detroit. Wind gusts could reach 30 miles an hour.
For commuters, this could mean icy roads and whiteout conditions.