A searing heat dome will stay anchored over the United States for another month with ‘dangerous’ temperatures forecast through August. Thousands of miles of western America have been issued fresh government warnings for extreme heat and wildfires. Temperatures in six states will rocket to 110F (43.3C) through the coming days with bone-dry winds turning parched ground into fire-ready kindling. Unbearable heat will continue through the rest of summer in parts of the country, according to long-range forecasters. AccuWeather lead long-range expert Paul Pastelok said: “We expect the summer heat to …