A winter storm watch is in effect for the listening area.

Environment Canada says an impactful winter storm is likely Tuesday afternoon into Wednesday.

15 to 25 cm of snow is possible with the risk of freezing rain and ice pellets causing potentially hazardous travel conditions.

There is a risk of ice pellets and freezing rain Tuesday night, with a complete changeover to rain possible for areas close to Georgian Bay.

The amount of snow will depend on how quickly precipitation changes to ice pellets, freezing rain or rain, although some locations may receive 15 to 25 cm of snow.