Cold/dry arctic air mass over South Dakota (with some lake effect snow)

GOES-16 Mid-level Water Vapor (6.9 µm, top). Low-level Water Vapor (7.3 µm, middle) and Clean Window Infrared (10.3 µm, bottom) images from 0001-1801 UTC on 19th January [click to play MP4 animation]
Plot of surface observation data from Pierre, South Dakota from 1100-1700 UTC on 19th January [click to enlarge]