A wintery mix of weather slated for Tuesday night into Wednesday morning.
Among the locations impacted: Barrie, Innisfil, Midland, Orillia, Collingwood and Owen Sound.
A weather maker developing over the United States central plains will track northeastward reaching the Great Lakes late Tuesday night.
Precipitation is expected to begin as snow or ice pellets then transition through a period of freezing rain to all rain.
The primary threat appears to be the potential of icing due to freezing rain.
The rain will come to an end Wednesday as the storm moves into Quebec.