Crews battling wildfires across California on June 18, including the Post fire in Los Angeles County, face another day of gusty winds and low humidity that will push flames into tinder-dry fuel, weather forecasters warned. Crews battling wildfires across California on June 18, including the Post fire in Los Angeles County, face another day of gusty winds and low humidity that will push flames into tinder-dry fuel, weather forecasters warned. Environment Phys.org – latest science and technology news stories