At 10:29 a.m. EST on Thursday, the National Weather Service issued a winter weather advisory valid for Friday between 5 a.m. EST and 4 p.m. EST for Mason, Lake, Osceola, Clare, Oceana, Newaygo, Mecosta, Isabella, Muskegon, Montcalm, Gratiot, Ottawa, Kent, Ionia, Clinton, Barry, Eaton, Ingham, Calhoun and Jackson counties.