Typically, the coldest weather conditions occurs in Jan, and it is certainly more challenging to break all-time report cold temperature ranges in Feb, but this airmass - which can be coming via a immediate flight from Siberia - seems to be an overachiever. In Chi town, which will be no unknown person to cool weather, the Arctic outbreak offers threatened information last set in the past due 19th hundred years for the coldest high temperatures so late in the season.
