A massive winter storm that has already prompted warnings from Arizona to Wisconsin will be lumbering east in coming days, almost certainly interfering with Thanksgiving return-travel plans for millions, The Washington Post reports. By the time it's finished, the storm, created by the same conditions that caused the "bomb cyclone" in California and Arizona earlier in the week, could pummel an area stretching from the Sierra Nevadas to New England -- where a nor'easter is predicted to begin on Sunday night. "This storm will... produce significant snow and blizzard conditions across the Northern Plains through Saturday before moving to the Great Lakes and Northeast Sunday and Monday," the National Weather Service said in a statement. USA Today reports that Accuweather is forecasting up to three feet of snow in South Dakota's Black Hills region, where "visibility could be so low at times it may be difficult to determine where the road surface actually
