Epp at 12:01 AM Image via Wikipedia It seems winter never wants to leave South Dakota . On this date, April 30, 1967, a major blizzard hit West River , one of the latest on record.  So, maybe no more blizzards as a TBDISDH for a while. Source: http://www.crh.noaa.gov/fsd/?n=fsdtrivia04 April 30th,