If you're heading north of the city Tuesday afternoon or Wednesday, conditions could be hazardous along Highway 17.
Environment Canada has issued a snow squall watch north of Montreal River Harbour.
It says lake-effect snow off Lake Superior could drop 15 to 25 cm Tuesday afternoon into Wednesday.
"Westerly or southwesterly winds gusting to 50 km/h may result in local blowing snow, especially for exposed areas near Lake Superior," the weather advisory said.
Find the full snow squall watch from Environment Canada below:
Snow squall watch issued for:
Wawa - Pukaskwa Park, Ont. (048720)
Agawa - Lake Superior Park, Ont. (048810)
Current details:
Snow squalls are possible beginning Tuesday afternoon.
What:
Heavy lake effect snow with accumulations of 15 to 25 cm.
Reduced visibility in heavy snow and local blowing snow.
When:
Tuesday afternoon through Wednesday.
Additional information:
Lake effect snow off Lake Superior is likely to affect the area Tuesday afternoon into Wednesday. Westerly or southwesterly winds gusting to 50 km/h may result in local blowing snow, especially for exposed areas near Lake Superior.
Travel may be hazardous due to sudden changes in the weather. Visibility may be suddenly reduced at times in heavy snow. Surfaces such as highways, roads, walkways and parking lots may become difficult to navigate due to accumulating snow. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or tweet reports using #ONStorm.
More details on the alert are available here.