A wintry storm brought rain, freezing rain and ice pellets to much of southern Ontario over the weekend, causing power outages, flooding and an 鈥榓lmost unprecedented鈥� 1,400 collisions on slippery Toronto-area roads.

The weather system affected most of on Saturday and Sunday, and freezing rain warnings were issued Sunday afternoon for parts of including Metro Montreal.

Ontario Provincial Police Const. Kerry Schmidt told CTV Toronto that there were about 700 reported collisions on Greater Toronto Area roads on Saturday and another 700 by dinnertime Sunday.

鈥淚t has been an overwhelming day,鈥� Schmidt said. 鈥淎lmost unprecedented in the number of crashes. Mostly single vehicles. Mostly property damages. No serious injuries thankfully to report.鈥�

Schmidt said motorists need to remember that if they get into a collision, they should get off the road as quickly as possible. 鈥淒on鈥檛 be a distraction,鈥� he said. 鈥淪teer and clear.鈥�

As of Sunday evening, more than in rural Ontario were without power, according to Hydro One. thousands in the city were in the dark.

There were also outages in the Windsor area, which was expected to get up to 40 millimeters of rainfall by Sunday night, with up to 60 milimetres possible in some local areas. The heavy rains led to

Toronto homeowner Ihor Borowetz had a tree fall on his property in the Mimico neighbourhood. He said he heard a 鈥渂ig crack of the tree limbs and ... boom, the whole house shook.鈥�

鈥淲e were pretty shaken but thank God nobody got hurt,鈥� he said.

Geoff Coulson, a warning preparedness meteorologist with Environment Canada, told 愛污传媒 Channel that the rain could impact the Monday morning commute.

鈥淲e鈥檒l still see some impacts from the storm Monday morning in terms of the last of the rain,鈥� said Coulson. 鈥淚t could be a sloppy commute for a lot of folks on Monday morning.鈥�

Toronto Mayor John Tory said clean-up crews were 鈥渨ell-equipped鈥� to handle the mess, despite not being at peak winter capacity.

鈥淲e just have to hope the rest of the weather event is something that we can get through, and then maybe spring will actually be here,鈥� he told reporters earlier on Sunday.

Toronto's Pearson Airport and urged passengers to check the status of their flights before heading to the airport, as hundreds of flights had been cancelled, including nearly all flights at Billy Bishop.

that while operations were 鈥渕oving steadily,鈥� people should continue to check the statuses of their flights on Monday.

鈥淗igher than normal passenger volumes (are) expected early this week as passengers are rescheduled for departure,鈥� the airport said on Twitter.

With files from The Canadian Press