SOME PLACES. LESLIE: THE HEAT IS ALREADY EXCEEDING EXPECTATIONS. THIS AFTERNOON, MY CAR WAS SHOWING IN THE MID 90'S. HERE IN LAFAYETTE, THE WIND IS KICKING UP, SO NOT QUITE SO BAD, BUT THE HEAT IS COMING, AND THE WHOLE POINT THE STATE OF CALIFORNIA IS MAKING IS PREPARE FOR IT. WE ARE IN ADVANCE WORRYING ABOUT RAINSTORMS AND SMOKE AND FIRES. IT IS TIME TO GET READY FOR HEAT. TOMORROW, HARDER THE DAY AFTER, HARDEST BY THE WEEKEND. >> CALIFORNIA'S HOTTER AND DRIER FUTURE IS HERE RIGHT NOW. LESLIE: THE GOVERNOR'S OFFICE LAUNCHED A NEW CAMPAIGN AIMED AT GETTING VULNERABLE POPULATIONS TO COOL PLACES IN HEAT WAVES. INFORMATION AVAILABLE IN 30 LANGUAGES. THE STATE'S INCREASING COORDINATION AMONG STATE AGENCIES AND LOCAL PARTNERS STARTING TODAY. >> STAY COOL. LOOK FOR AIR-CONDITIONED SPACES, WHICH CAN INCLUDE COOLING CENTERS. IT COULD ALSO INCLUDE SHOPPING CENTERS, PLACES THAT ARE AIR-CONDITIONED. LESLIE: PLAN IN ADVANCE WHERE TO GO AND WHEN TO NOT VENTURE OUT. TWO YEARS AGO ON JULY 10, 837-YEAR-OLD WENT FOR A RUN ON THE TRAIL ON A 106-DEGREE DAY. GPS SHOWED HE WANDERED OFF THE TRAIL DISORIENTED AND LIKELY SUFFERED HEAT STROKE. HIS BODY WAS FOUND BY VOLUNTEERS ON AUGUST 5, 2021. LIVERMORE TEMPERATURES ARE EXPECTED TO BE UP IN THE 105-DEGREE RANGE AGAIN THIS WEEK. YOU SHOULD ONLY GO TO A HIKING TRAIL WITH A BUDDY IN A HEAT WAVE. DECIDING WHAT TIME TO GO OUT IS ALSO CRITICAL. >> PLAN AHEAD WITH PLENTY OF WATER, AND IF YOU'RE GOING TO DO STRENUOUS ACTIVITIES, LIMIT IT TO THE COOLER PARTS OF THE DAY IN THE MORNING BETWEEN 7:00 AND 10:00 AND IN THE EVENING. LESLIE: WELL, YOU KNOW, I LEARNED SOMETHING TODAY. WHEN YOU GO OUT, YOU THINK, I WILL TAKE A BOTTLE OF WATER WITH ME IN THE HEAT, BUT THIS SINGLE BOTTLE OF WATER IS NOT ENOUGH. IN THIS KIND OF HEAT, YOU NEED A FULL LEADER, ABOUT 32, 33 OUNCES OF WATER -- YOU NEED A FULL LEADER -- YOU NEED A FULL