Fire officials say the blaze is threatening power lines as well as the communities of Hasley Canyon and Hathaway Ranch.

A ll evacuation warnings have been lifted regarding the Canyon Fire in California after firefighters appeared to gain the upper hand in battling the wildfire, which broke out amid a heatwave and rapidly spread to over 5,300 acres in two days and destroyed at least seven structures, including two homes, authorities said.

Temperatures in the area are near 100 degrees and humidity as low as 15 percent. The southern part of California has seen very little rain, drying out vegetation and making it "ripe to burn," the National Weather Service (NWS) for Los Angeles warned.