Toronto and much of the GTA now sit under a snowfall warning, with 15 to 20 centimetres of the white stuff expected to fall across the region before tapering off late tonight. As the low pressure centre dashes just south of the lower Great Lakes tonight, snow will intensify across Southern Ontario this evening.
The Island had three centimetres of snow on the ground the morning of December 25, according to Environment Canada's daily data report. Visibility may be limited making travel challenging. Plan on slippery road conditions. Salters, road plows and sidewalk machines will be out overnight.
Be prepared for reduced visibilities at times.
Northern Rhode Island residents have a chance to wake up to a white Christmas Monday, with a winter weather advisory in effect for the area from 10 p.m. Christmas Eve through 1 p.m. Christmas Day. Sub-freezing temperatures are expected to stick around throughout the week.
Christmas night the low was expected to be -16 with a wind chill of -26.
Strong southeasterly winds may also give some blowing snow. It is estimated that between 5 and 10 cm will fall Sunday, with another 2 to 4 cm expected on Monday.