At least 1 inch of snow an hour is predicted after 6 a.m., according to the National Weather Service.
A two-day winter storm packing everything from sleet and ice to heavy snow is hitting Michigan, forcing schools to cancel classes and knocking out power to parts of the state.
In ice-covered metro Detroit, 1-3 inches of snow is expected to fall by 10 a.m., according to the National Weather Service in White Lake.
After 6 a.m., "peak snowfall rates will approach 1 inch per hour through 10 a.m., with peak ice accretion rates of 0.05 inch per hour," according to a special weather statement from the agency.
A winter weather advisory remains in effect until 3 p.m. Wednesday as another round of snow, sleet, and freezing rain moves into southeast Michigan, leaving a total snow accumulation of 2 to 4 inches and up to three-tenths an inch of ice accumulation.
Rain and snow is expected to return Thursday after 1 p.m., carrying into the weekend.
Drivers are warned of icy roads and blowing snow that could alter visibility. Wind gusts are expected to hit between 25 and 35 miles per hour.
A gale warning was issued Tuesday across the central Great Lakes through 4 p.m. Wednesday. According to the warning, gales of about 45 knots are expected across the northern portion of Lake Huron.
In Grand Rapids, the weather service said blowing and drifting snow is making travel treacherous and urged motorists to stay off the roads until at least mid-afternoon.
Ice and wind also is resulting in widespread power outages in Van Buren and St. Joseph counties, according to Fox17.
And northern Michigan is getting blanketed with snow. The farther north you drive, the higher the forecast totals.
By 7 a.m. Wednesday, places like Cadillac and Gladwin will see 2-3 inches total snow accumulation from the storm, while Sault Ste. Marie will see 4-5 inches and Rogers City will see 6-7 inches, according to the National Weather Service in Gaylord.