NASA's Terra satellite has snapped a photo of the snow cover that has spread across the upper Midwest in recent days.
Snapped around noon Tuesday, it shows a swath of snow from Lake Superior to Lake Michigan and across the northern sections of Illinois and Indiana and northwestern Ohio.
Officially, winter doesn't begin until the solstice, on Dec. 21.
But Meteorological winter begins Dec. 1. And around the Great Lakes, it is in full swing.