^^^^ What he said.
Usually the leading edge is all Adult breeders (tough to decoys and very warry), then the mix of Adult and some juvies, then Adult non breeders and juvies, and then the tail end is juvies.
Heads up for 2-4" of snow for SD on Thursday. The metro area of MN they are talking 6-8" of snow on Thursday.
But this weekend and next week no snow storms are predicted. 50s By Sat and 60s by mid week in mid latitude SD, same for the I-94 area and NW ND. 10 degrees colder on the Hwy 2 corridor of eastern ND.
Snow map as of this morning: http://www.nohrsc.noaa.gov/snow_model/i ... idwest.jpg