Montrealers know winter is an endless grab bag of random snowfall, freezing rain and hurt-your-face cold, sometimes in alternating patterns but often dumped on the city all at once. The latter may be the case for mid-January when an 'imposing' weather system is slated to hit the city.The meteorological formation extends along the east coast bringing a low-pressure system and significant precipitation to Quebec by January 13 a lucky Friday, indeed.