Muskoka and Parry Sound are under a winter weather travel advisory for this event. Environment Canada says a cold front is moving across the district, which includes the Highway 400 corridor. Rain is changing to flurries, and temperatures will fall below the freezing mark by tonight. Muskoka could see a low of -15 overnight, with around two centimetres of snow.
The weather service says untreated roads may become icy and drivers are asked to be careful.