A developing Colorado low pressure system will begin trekking towards the Great Lakes on Monday. Snow in advance of the low will reach regions north of Lake Superior by Monday early evening.
The heaviest snow is expected to develop Monday overnight and linger Tuesday. Total snowfall amounts of 15 to 25 centimetres are possible by the time it winds down Tuesday night. A winter storm watch or snowfall warning may be issued as the event approaches.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or tweet reports to #ONStorm.