The weather is causing reduced visibility and slippery roads across the GTA, where drivers are being urged to go slow and drive with extra caution.
Buses have been cancelled in Caledon because of inclement weather, according to the Peel District School Board.
Buses have also been cancelled north of Highway 7 for both public and Catholic schools in the Durham Region
The windy, snowy weather is due to an Alberta clipper, or a fast-moving low pressure area, that is affecting southern Ontario.
The flurries are expected to end sometime in the morning, giving way to a mix of sun and cloud, according to Environment Canada.
Temperatures are expected to drop to - 14 C in the afternoon in what will be yet another extremely cold day.
Air Canada is warning of disruptions and possible delays due to strong winds today and Porter Airlines has advised all passengers to confirm their flight status before arriving at Billy Bishop Airport as delays and cancellations could occur.
The cold and snowy weather has been causing problems on roads across Ontario this weekend.
Snow late Sunday and overnight Monday caused reduced visibility, with multiple crashes on many roads.
Highway 404 was closed eastbound express after a collision involving a tractor-trailer and an SUV. A large overhead sign was struck and fell onto the highway.
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