Snowfall warnings have been issued east of Lake Superior from Montreal River to Gogama where 15 centimetres is likely and the heaviest snow will occur Thursday evening.
Snowfall amounts are forecast just below warning criteria for Timmins and for the Kirkland Lake - New Liskeard - Temagami regions but may exceed 15 centimetres in 12 hours and a snowfall warnings may be required.
There will be a transition to rain over southern sections, from about Sault Ste. Marie through North Bay and southward on Thursday night, with a risk of brief freezing rain during the transition. Rainfall amounts with this low pressure system will be in the 10 to 20 millimetre range and rainfall warnings will not likely be issued, however, the situation will be monitored.
The temperature in Sudbury will reach a high of -2 C.