The Weather Network says an abrupt pattern change will result in plunging temperatures and a couple of threats for impactful snowfall across southern Ontario through the weekend and into early next week. A pair of weak low pressure areas brought the first bouts of snow Saturday throughout the day, with the most substantial snowfall expected Sunday afternoon through the overnight before the system dissipates Monday morning. So, after a relatively warm March the start of April is marked by a return to winter-like weather.
