The National Weather Service says Michigan's Lower Peninsula could see a snowy Thanksgiving weekend as temperatures fall to more seasonal highs. Snow likely won't start in southern Michigan until Thanksgiving day, but the Upper Peninsula could see snow accumulations starting Sunday night into Monday, the weather service said.

That's because of "another atmospheric river event" that will bring copious rainfall to coastal and valley locations and 3 to 4 feet of snow to the Sierra, forecasters said. The storm will move into the Rockies by midweek: "One tricky travel area will be in and around the Denver area as snow spreads across the area on Wednesday,