After a chilly spring, it seems hard to believe that the gloom would ever leave Southern California. But skies are clearing as a “heat dome” brings midsummer-like temperatures to the state. It could be a preview of another record-breaking hot summer. After a chilly spring, it seems hard to believe that the gloom would ever leave Southern California. But skies are clearing as a “heat dome” brings midsummer-like temperatures to the state. It could be a preview of another record-breaking hot summer. Environment Phys.org – latest science and technology news stories