control called a scrub for the launch attempt today. this is a huge disappointment for nasa. this is part of the space business. we ll g wheo when it s ready nothing coming out now. another day in jackson, mississippi, another day of a water crisis for residents here. scary, it really is not knowing whether you going to have enough water for one day to another. we re in for another hot day across california. 40 million under some sort of heat alert. 155 plus potential high records expected. it s pretty cycling, even our a.c. at home can only do so much in the triple digits. hi, everyone. i m jessica dean in washington. pamela brown has the night off. you re in the cnn newsroom. a pilot threatens a miss mim mississippi community for hours and lands. before dawn the pilot of the stolen plane called 911 and threatened to crash into a local walmart. cnn pete followed the five-hour drama to the peaceful ending. jessica, this is the best possible outcome
we begin with a blistering and dangerous heat wave and a stranglehold across the western united states. millions of people are sweltering this weekend. more than 40 million are under heat alerts as temperatures soar 15 to 20 degrees above normal. for the fifth day in a wroe, electric companies in california are asking customers to turn off unnecessary lights and appliances in order to save electricity during the late afternoon and evening hours. cnn s chris winn reports from los angeles. reporter: across the west, the scorching heat is showing no signs of cooling off this holiday weekend. our ac at home can only do so much when we re in these triple digits. reporter: in glendale, california, residents are seeking refuge at the galleria shopping mall, taking advantage of the free air conditioning. getting out to the mall and just getting out of the house to get some sort of cool release is nice. reporter: california is in the midst of its longest heat wave of the yea
pasadena north of los angeles. chris, what are people doing to cope with this intense heat? reporter: hey, jessica, most people are staying inside if they can. it s almost 5:15 here in pasadena and the temperature close to 100. state officials issuing that flex alert asking people to conserve energy between now and 9:00 p.m. all with the hope of reducing stress on the power grid. across the west, the scorching heat is showing no signs of cooling off this holiday i can woo end. our a.c. at home can only do so much when we re in these triple digits. reporter: in glendale, california residents are seeking refuge at the galleria shopping mall taking advantage of the free air conditioning. getting out to the mall and just getting out of the house to get some sort of cool release is nice. reporter: california is in the midst of the longest heat wave of the year, a major concern especially in large
shopping mall, taking advantage of the free air conditioning. getting out to the mall and just getting out of the house to get some sort of cool release is nice. reporter: california is in the midst of its longest heat wave of the year. a major concern, especially in large cities like los angeles, where dark pavement and buildings can easily absorb heat, bringing little relief overnight. skid row is an urban heat island, which is why water is crucial. especially when temperatures hit triple digits. free water! agua! reporter: that s why volunteers with water drop l.a. are checking up on the unhoused and the elderly. did y all want water? yeah, sure. reporter: handing out cold water to those who need it. at the core, we re all people. we should care about each other. we should love each other. we should look out for each other. reporter: the extreme heat wave also testing california s power grid. in irwindale, southern california edison crews are moving transformers an