Ann Arbor, MI – A Winter Storm Warning goes into effect at 3 PM today for a large stretch of southeast Michigan, where the National Weather Service (NWS) Detroit/Pontiac forecasts 6 to 8 inches of heavy snow through Sunday morning. The warning covers counties along and west of US-23, including Midland, Bay, Saginaw, Shiawassee, Livingston, Washtenaw, and Lenawee.
Light snow is expected to begin spreading eastward between 12 PM and 4 PM, but conditions will deteriorate quickly late this afternoon. The most hazardous travel conditions are expected between 6 PM and 2 AM, when snowfall rates will reach 0.50 to 0.75 inches per hour. Areas near and south of I-94 may briefly see snowfall intensities up to 1 inch per hour, creating rapid visibility drops and quickly snow-covered roads.
Snow will continue at lighter rates overnight before tapering off Sunday morning.
NWS warns that travel could be very difficult due to accumulating snow, slick roads, and reduced visibility. Evening travel is expected to be the most dangerous period, particularly in and around Ann Arbor, Howell, Owosso, Saginaw, and Adrian. Motorists are urged to delay travel if possible or pack emergency supplies—including food, water, and a flashlight—in case of roadside issues.
Drivers who must travel should plan for slow speeds, increased braking distances, and extra travel time. The Michigan Department of Transportation’s Drive Map will provide updated road conditions throughout the storm.
Snow is expected to exit the region by mid-morning Sunday, but lingering slick spots may persist.
