A freezing drizzle advisory was issued for Toronto and several neighbouring areas on Saturday night.
Environment Canada said periods of freezing drizzle this evening could lead to icy surfaces.
The advisory ended shortly after 11:45 p.m.
The advisory was also in effect in York Region and parts of Durham Region.
Police across the Greater Toronto Area responded to multiple collisions as a result of a flash freeze and blowing snow.
They urged drivers to avoid the roads due to the hazardous conditions.
On Sunday, Toronto could see periods of snow and a daytime high of 1 C, feeling like -6 in the morning with the wind chill.
It will be cloudy with a 40 per cent chance of flurries on Monday and a high of -3 C.
