While much of the mid-Atlantic was digging out from a winter storm that brought heavy snow to the Washington, D.C., area, a second storm is expected to follow, bringing snow, sleet and freezing rain along a more northerly track from Colorado to Maine.

In southeast Michigan and the Thumb area, the counties under a warning include Huron, Sanilac, St. Clair and Macomb. To the north, the counties under a warning include Alpena, Alcona, Ogemaw, Iosco, Gladwin and Arenac.