It looks like Old Man Winter is back to start the week. Look at how much of the Midwest is feeling the chill of a Canadian air mass today. Spring weather will return later this week. https://t.co/yMtWfLFzb7 #kttcwx #rochmn https://t.co/Qv615zZcAKIt 2839010 It looks like Old Man Winter is back to start the week. Look at how much of the Midwest is feeling the chill of a Canadian air mass today. Spring weather will return later this week. https://t.co/yMtWfLFzb7 #kttcwx #rochmn