A new study suggests repeated heatwave exposure could speed up biological ageing, hitting outdoor workers, rural residents, ...

Even as air quality improves, wildfire officials warn the soaring heat and dry air are fuelling dangerous conditions. The B.C ...

Parts of California, Oregon and Washington state will experience extreme heat at least through Tuesday, forecasters say.

National Weather Service offices covering the region are warning of gusty winds to quarter-sized hail in some parts of the region Monday.

With temperatures hitting 40 C in B.C. and in the 30s across Alberta, Kathy Le looks at how Canadians are coping with the ...

Residents of the Western U.S. sweltered in a heat wave Saturday that hospitalized some people, with temperatures forecast to ...

The agency warned that extreme heat poses a danger in the evening as well, as temperatures are expected to remain above ...

Roderick Robinson, the utility's vice president of electric system operations, breaks down how it turned the corner on grid ...

A wildfire in California’s Napa County grew by more than 1,000 acres in 24 hours over the weekend amid an ongoing heat wave ...

Wildfires have cropped up in different regions across California over the past several days as a record-breaking heat wave ...

CBS News meteorologist Rob Marciano explains how extreme heat is fueling the Pickett Fire in Napa County, California's ...

About 150 people were ordered to leave their homes, while another 360 were under evacuation warnings as the fire threatened ...