A heat warning is in effect for Mississauga, Brampton, the Greater Toronto Area and much of southwestern Ontario beginning Sunday and expected to last several days. Environment and Climate Change ...

Farther north, a cold front over far northwestern Ontario will force the development of several rounds of additional thunderstorms as it cuts into the hot and humid air across the region. These storms ...

Limit time outdoors,” Environment and Climate Change Canada advises everyone as it issues special air-quality advisory for ...

As a large swath of Manitoba deals with heavy wildfire smoke polluting the air, others in the province are starting the weekend amidst suffocating heat and humid conditions.