Stifling heat forecast in Ontario, Quebec, Atlantic provinces and parts of B.C.

Another day of punishing heat and humidity is expected to hit Ontario, Quebec and the four Atlantic provinces.
A heat warning from Environment Canada remains in effect for all of southern Ontario, stretching north past Lake Huron and Georgian Bay and east through southern Quebec.
Expected daytime highs could reach 35 degrees Celsius in some parts, with the humidex at or near 40 C.Hot conditions are also washing over Atlantic Canada, with most of New Brunswick, Nova Scotia, Prince Edward Island and parts of Newfoundland and Labrador also under a heat warning.
In the region, daytime high temperatures are expected to reach around 30 degrees, with New Brunswick anticipating that the humidity will make it feel like 42 degrees Celsius. In British Columbia, most of Vancouver Island and the Sunshine Coast, as well as the Fraser Canyon, South Thompson, and South Okanagan areas in southern B.C., are under heat warnings. Environment Canada advises drinking water and keeping an eye out for signs of heat exhaustion in these conditions.