Most of the GTA remains under a special weather statement as the snowstorm is expected to bring 5 to 10 centimetres of snow by Tuesday evening.
The bulk of the snow is staying south and well to the east of Toronto with the Hamilton, Oakville and Niagara Region still under a winter storm warning. They are expected to receive about 20 to 30 centimetres of snow accumulation.
Officials are telling motorists to slow down and to adjust their driving to the changing weather conditions.
WATCH: GTA motorists capture conditions on snowy roads, highways
A number of road collisions have been reported overnight and early Tuesday morning including a tractor-trailer rollover on eastbound Highway 401 near Milton.
Tractor-trailer rollover on eastbound Highway 401 near Milton, Ont. on March 14, 2017.
Environment Canada said the snow will taper off to scattered flurries Tuesday night as the winter storm moves away to the northeast.
All classes and activities planned for Brock University’s main campus, as well as those at the Marilyn I. Walker School of Fine and Performing Arts and the Hamilton campus are cancelled Tuesday.
The buildings are closed for the day and only essential services, such as dining for students in residences, are available.
McMaster University is also closed on Tuesday. The closure also applies to classes and other activities scheduled for Tuesday evening.
Mohawk College and Sheridan College are also closed for the day.
Mohawk College is closed due to inclement weather. Check local media or mohawkcollege.ca for more information.— Mohawk College News (@MohawkCollege) March 14, 2017
Weather notice: All Sheridan campuses are closed Tues., March 14. Classes, business operations & the Sheridan Shuttle are cancelled. Pls RT— Sheridan College (@sheridancollege) March 14, 2017