This meant temperatures went from near normal to well below normal.
The cold air laid the groundworks for some wintry precipitation that may be making some scratch their heads and wonder what season it is anyway. An area of low pressure ushered rain and snow showers into parts of the north-central U.S. on Friday. By Friday night, as colder air plunged southward, the rain once again mixed with and changed to snow across more of the region.
Although some areas had snow back in September, that wintry blast was largely confined to the higher elevations. This time, larger cities such as Great Falls, Montana, and Fargo, North Dakota, experienced their first snowflakes of the season.
During Saturday morning, a swath stretching from eastern North Dakota through northern Minnesota, northern Wisconsin and the Upper Peninsula of Michigan was getting an early taste of winter.