Some midwestern Ontarians will be starting the week with more lake effect snow.
Environment Canada expects snow squalls to develop over lake Huron Monday morning, affecting southern shores before shifting to eastern shores through the middle of the day.
"The main concern will be low visibilities due the intense snowfall rates and localized blowing snow," the national weather agency said. "Travel will likely be hazardous. Visibility will likely be suddenly reduced to near zero at times."
A yellow-level snow squall watch has been upgraded to a yellow-level snow squall warning for Huron County and South Bruce.
Peak snowfall rates up to 5 centimetres per hour are possible with accumulation totals of 5 to 15 centimetres expected.
The squalls are likely to continue into the evening, Environment Canada added.
Drivers are advised to be prepared for quickly changing and deteriorating travel conditions.
The squalls come a day after midwestern Ontario largely dodged the worst of a major snowstorm that moved across the province.
The Upper Grand District School Board and Wellington Catholic District School Board did close its schools and offices for the day Monday due to the snowy conditions. Students were advised to move to remote learning, where possible. A few school buses were cancelled in Huron-Perth and Grey-Bruce.
The Toronto area received the highest snowfall totals from the storm with the Toronto City Centre recording 56 centimetres and Toronto Pearson Airport recording 46 centimetres. Environment Canada noted with accumulation totals from Sunday's storm, January 2026 will go down as the snowiest month on record since the agency began keeping track in 1937.