Environment Canada has dropped a winter weather alert it issued Tuesday morning for the city of Toronto. The alert, issued ...

Toronto may see a significant impact on rush hour traffic Tuesday due to reduced visibility, according to an Environment ...

Ever heard of the lake-effect snow phenomenon? CBC's Colette Kennedy breaks down what it is, and how it happens.

An extreme warming event high in the atmosphere is threatening to disrupt the polar vortex. We break down what that could ...