A low pressure system over the American central plains will track towards the Great Lakes later today. Snow ahead of the system will begin over areas near Lake Superior this evening and continue into Wednesday. Snow should taper off Wednesday evening with total snowfall amounts of 10 to 15 centimetres.
For Greater Sudbury, snow will begin this evening and becomes heavy at times on Wednesday.
A band of freezing rain is likely ahead of the snow for areas along the north shore of Lake Huron. Freezing rain is expected early Wednesday morning for Sault Ste. Marie and will reach North Bay Wednesday afternoon. Several hours of freezing rain are possible before changing to rain and then back to snow. Snow should taper off Thursday with total snowfall amounts near 10 centimetres.
Travellers should use caution as untreated roads may become slippery from freezing rain and snow.