The brutal heat wave taking over the state is expected to last longer and reach higher temperatures than forecasters had anticipated. And that's putting a lot of stress on California's power grid, with state officials asking Californians to conserve as much as possible. Guest: Jan Null, Meteorologist, Golden Gate Weather Services and Adjunct Professor at San Jose State University  Two people have died and hundreds of residents around Weed remain under evacuation orders because of the Mill Fire burning in Siskiyou County.  Reporter: Erik Neumann, Jefferson Public Radio Last week, state lawmakers approved a plan to extend the life of the state’s last nuclear power plant, Diablo Canyon. Many are applauding the legislature’s decision to keep its carbon-free energy on the grid — but it’s had mixed reactions in San Luis Obispo County, where the plant sits. Reporter: Benjamin Purper, KCBX  On Friday, Frank Drake, the radio astronomer who dreamed of finding life on other planets, passed away at his home near Santa Cruz. He was 92. Reporter: Danielle Venton, KQED Learn more about your ad choices. Visit megaphone.fm/adchoices