Sunday snow blitz: Wide snowfall range, dangerous travel conditions likely across Minnesota  MPR NewsWalz authorizes Minnesota National Guard ahead of expected winter storm to provide emergency support  CBS NewsPowerful winter storm expected to slam the state this weekend  Star TribuneLive updates: Dangerous windstorm hits Chicago, Minneapolis as March blizzard targets millions  FOX WeatherA late-winter snowstorm is about to hit the Plains, Midwest and Great Lakes  The Washington Post