A snowstorm slowly pushing eastward caused has put more than 24 million Americans under a winter weather advisory. RELATED: Road collapses under woman walking along edge in Montecito, California | USA TODAY https://bit.ly/3QPk1Z2 "Winter storm continues for the Upper Midwest (and) Great Lakes Thursday with heavy, blowing snow leading to dangerous travel conditions," the National Weather Service's Weather Prediction Center said in a statement. Additional snowfall totals of around 6-12 inches are forecast for portions of the Upper Great Lakes, and locally higher totals over a foot are possible, the statement said. Much of the snowfall is expected to occur over a period of a few hours. Snowfall rates of 1-2 inches per hour and gusty winds could make "travel difficult to impossible." » Subscribe to USA TODAY: http://bit.ly/1xa3XAh » Watch more on this and other topics from USA TODAY: https://bit.ly/3GqYgdk » USA TODAY delivers current local and national news, sports, entertainment, finance, technology, and more through award-winning journalism, photos, videos and VR. #snow #snowstorm #colorado