Environment Canada is forecasting temperatures will today rise above the -15 C threshold that triggers alerts aimed at getting homeless people indoors.
The agency says the temperature will warm to -9.
Highs will move gradually to -1 by this coming Sunday.
While Toronto residents won't have to cope with cold, they will have to get their shovels ready.
A system that could dump 20 centimetres of snow, or more, is expected to hit the region late Tuesday and into Wednesday.