>>> FIRST ALERT ACTION DAY. OR THIRD IN A ROW. WE JUST HAVE TO GO THROUGH THIS AND WE GET A LITTLE RELIEF. >> I HAVE GOOD NEWS AND I HAVE GREAT NEWS. THE GOOD NEWS IS, IT'S GOING TO BE COOLING DOWN AS WE HEAD INTO THE WEEKEND. THE GREAT NEWS IS, IF YOU LIKE THAT WE CAN COOL DOWN, YOU'RE GOING TO REALLY LOVE NEXT WEEK. IN THE MEANTIME NO, WE DO HAVE TO GET OVER TODAY. WE HAVE MORE CRITICAL HEAT AND MORE EXTREME HEAT. WE HAVE HEAT ADVISORY AND EFFECT. IT EXPIRES RIGHT AROUND SUNSET. HERE'S A LOOK AT WHERE WE ARE NOW IN THE 90s. 90 IN SACRAMENTO, 90 IN MODESTO. JUST IMAGINE HOW MUCH FARTHER WE HAVE TO GO. AFTERNOON HI, I'M FORECASTING 104. YOU WILL LOOKING AT A DAY WITH TRIPLE DIGIT HIGHS. 97 COMING IN FROM PLASTER VILLE. OTHER LOCATIONS THE HEAT HAS NOT BEEN A EXCEPTION FOR YOU. YOU'VE ALSO BEEN A BIG PART ON THE FIRST ALERT ACTION DAYS. HOT AFTERNOON, WARM NIGHTS AND THE HEAT ADVISORY IN EFFECT THROUGH THE NIGHT. TAKE A LOOK AT YOUR PLANNER FOR THE NEXT COUPLE OF HOURS . YOU'RE LOOKING AT SOME OF YOUR HOTTEST TEMPERATURES COMING IN AROUND THE 4:00 HOUR. YOU CAN SEE TEMPERATURES PEAKING BEFORE 8:00. SUNSET AT AROUND 7:30. ONCE YOU LOSE THE DAYLIGHT, TEMPERATURES DO TEND TO BACK OFF QUITE A BIT. YOU'RE LOOKING AT MID-70s. OVERNIGHT LOWS COMING TO THE UPPER 60s. LET'S TAKE A LOOK AT THE AFTERNOON HIGHS FOR THE SACRAMENTO VALLEY. HUNDRED AND THREE COMING IN. CENTRAL VALLEY, YOU'RE STILL HOT. OF COURSE, RIGHT? HUNDRED AND FIVE AND 105 IN MODESTO. JUST IN CASE YOU'RE WONDERING WHAT HAPPENED TO THAT DELTA BREEZE? DON'T WORRY. SHE IS ON HER WAY. TAKE A LOOK AT LINCOLN. 104 TODAY. HOT TEMPERATURES AGAIN, ESPECIALLY FOR THE VALLEY. 93 IN FOREST HILL. LOWER TO MID 80s COMING IN THROUGH SIERRA. NOW LET'S TAKE A LOOK AT WHY WE ARE HOT AND WHY WE ARE COOLING DOWN. FIRST AND FOREMOST, WE HAVE A HEAT DOME. THIS HAS BEEN IN EFFECT SINCE THE MIDDLE OF THE WEEK BRINGING US HOT CONDITIONS. NOT JUST US, MANY PARTS OF THE WEST COAST. WE HAVE A LOW PRESSURE SYSTEM COMING IN THROUGH THE WEEKEND. THIS WILL GIVE -- GIVE US RECENT WIND. FIRE WEATHER CONCERNS OVER PORTIONS OF THE WE CAN. IT WILL ALSO INTRODUCE MORE MOISTURE. MAYBE AN ISOLATED THUNDERSTORM TODAY AND TOMORROW. AND THAT LOW PRESSURE SYSTEM WILL ALSO HELP COOL US DOWN AND THE BIGGER LOW COMES IN. THAT'S REALLY GOING TO COOL US DOWN. THAT'S THE ONE -2 PUNCH I ALLUDED TO. THAT WILL BRING TEMPERATURES TO THE 80s. WE START OUT WITH A LITTLE LOW. AND GOT THE BIG DADDY