The temperatures over 110. Today its slightly sweltering. That extreme heat warning stays in effect up there tonight. As we go the overnight hours, though, we have this added concern, as we mentioned in the top there, that we have fire danger. A red flag warning will go into effect overnight tonight into tomorrow morning. Its mainly in the north and east bay hills, Santa Cruz Mountains, as well. Most folks probably wont notice much wind, but if the hills, they will. So this is always a dangerous pattern, especially after these low humidities. Low fuel moistures. High temperatures, after numerous days of it. So here is the model. Look at the arrows. Those are onshore, arent they . And were going to see fog back at the coast tonight. The model, im going to post the model forward. There is monday morning, or this morning, pardon me. And you see where we are now. In the blues, you see the contrast. But now i want you to notice up in the righthand corner of your screen, out in nevada, watch that area start to see its coming in thats your northeast wind, and see it filling in overnight . Higher elevations. And look at the north bay, the contours making for the strongest wind gusts, up to 50 miles an hour possible into the morning on tuesday. And then the winds back down a little bit. So the height of this event, red flag warning, and spare the air alert again tomorrow, and the heat advisory due to be dropped tonight. Thank you, bill. We have been under an extreme heat warning, and now red flag warnings are going intoing into effect as well. That adds up to possible powerrages whether because of rolling Power Outages or because of high five danger. Tom vacar now here with a look at the double whammy scenario staring us down just as the peak of fire season is beginning. Tom . Reporter ill tell you, tom, this is such a fluid situation. At 6 00, pg e has announced it will hold a Virtual Press conference to update us. Its going from the frying ban directly into the fire. We could see Public Safety power shutoffs by late tonight to avoid electricitycaused wildfires due though this the current red flag warning, dryness, and high winds. 21 counties have been advised of a possible power shutoff because of these extreme fire conditions our meteorologists tracking. Reporter deputy cal fire chef jonathan cox said heat and wind favor fires, not firefighters. Its really a twopronged onetwo punch for us, because it reduce our ability to stop these fires. Reporter at the moment, the bay areas biggest problem remains intense relentless heat taxing the power grid. All utilities on the grid are obligated to conduct rolling outages on just 10 minutes notice if ordered to do so by grid operators to prevent an overall grid collapse. With these recordbreaking temperatures, tripledigit heat, demand goes up. More people are using their fans. More people are use their air conditioners. Reporter even without mandated outages, a lot of equipment is operating at capacity, especially transformers. Some of which will fail, causing local outages without notice. And the equipment just does not have time to cool down. So we want our customers to be prepared for possible heat related Power Outages. Reporter for still active lnu, scu, and czu fires have forced pg e to deenergize certain lines to make repair, making it tougher for grid operators to reroute fires. Worse, those fires could be kicked up again by coming high winds. Over the next 24 to 48 hours just means were going to be chasing interior pockets that may be burning, stumps that may ignite because of the wind coming back on the fire. Reporter now intense smoke from the fires near Power Transmission lines, get this, can actually short out those power lines once again without notice. Big problem. And we are historically going into the worst fire weeks, from right now until midnovember. Reporting live, tom evacuation, ktvu fox 2 news. Wildfires have burned more than 2 million acres in california so far this year, setting a new state record. Cal fire said the most striking thing about the record is how early it was set, because the most dangerous part of the fire season is still ahead ofs. Thburned in 2018. They began tracking the records in 1987. Right now firefighters are battling 23 major wildfires in the state. California has seen 900 wildfires since august 15th. Many of them started by intense lightning strikes. A fire crew from Southern California that was heading home after helping with the firefight here in Northern California ended up jumping in to help battle another fire. The strike team spotted the fastmoving fire along highway 101, and raced into action. Jesse gary has this story. Reporter in san jose, sweltering heat monday produced conditions ripe for fire, but fate seemed to be catching a watchful eye, partially sparing potential victims. My cousin woke me up screaming theres a fire, and i see the trees on fire. Reporter fire Officials Say around midday a vegetation fire erupted next to a fence on highway 101. A fire strike time from orange county, helping to tame wildfires if this area happened to drive fast and were first on the scene. The crews were mortgaged together when we realized we were battling the same fire. Reporter the danger was pushed off the freeway to a neighborhood on north 23rd and taylor streets, prompting the evacuation of some units as a precaution. My aunt and cousin are running frantically trying to get safe, you know. Reporter it spread from free hims to several nearby vehicles which threatened apartment buildings. The fuels are very receptive to ignition. We have heat stress for any firefighters on top of that. Reporter crews spent about an hour and a half suppressing the flames. Weve had damage to multiple vehicles. The fence is damaged. However, none of the structures here are damaged. Were just happy that the apartment didnt burn down and were still talking. In northeast bay, temperatures it 110 degrees in some places, Maureen Naylor now with how people are faring in the hottest spots here in the bay area. Maureen . Many inland locations like you said hit triple digits today on this labor day for whats another day of record breaking heat. It wasnt even noon when the temperature went above the century mark in some areas this labor day. We want to get home before it gets brutal, but weve been in the house for six months. Staying in another day is not going to happen. Reporter bay area residents already in the middle of a pandemic now dealing with a recordbreaking heat wave this holiday weekend. In livermore, a cooling center opened for the Third Straight day at the Robert Livermore aquarium center. But the Aquatic Center here remained closed because of the coronavirus. Definitely not as busy as it normally is on Labor Day Weekend. Reporter it is normally big witness for dimitri. The Restaurant Owner said that business already down because of the pandemic is now down an additional 30 this Labor Day Weekend compared to normal because of the heat. If you only have outdoor option on a 107degree day, a lot of people are not coming out. Reporter his business has invested tens of thousands of dollars to improve the Outdoor Dining area, and now is is paying nor adapt with this record heat. Right now were putting up tents, and we put fans and mist errs out to try to cool people down. But even in 100degree weather it, doesnt really do a lot. About 30 minutes north in antioch, an unusual sight for such a hot day, mt. Empty pools sitting still. The water park posted signs it closed this labor day because of the poor air quality, and called those with reservations to cancel. Residents and Business Owners having to adapt to the ongoing challenges of 2020. And that Restaurant Owner tells us after he gets through this heat, his next focus is preparing for possible Outdoor Dining in winter conditions. The excessive heat has prompted bay area cities and counties to open up cooling centers. In concord, the city is using the Senior Center on park side circle to help people the heat. Today city officials announced they are going to extend operations into tomorrow. Cooling centers requiring visitors to wear a mask and enforcing social distancing protocols. You can go to ktvu. Com for more information on where to find a cooling center near you. The extreme heat sent people in San Francisco searching for relief. Christian castro joins us now. Reporter it is still warm here in the city, but still cooler than most of the bay area. That had a lot of people from around the bay area streaming into the city, hoping to find some relief from that labor day heat wave. Beach gores making their way to baker beach were met by federal police slowing the flow of visitors. But they said the cool waters of the Pacific Ocean are worth. It came from vallejo. It was way to hot out, came to get some cold, fresh air and enjoy the beach. Reporter this labor day comes amidst a Global Pandemic and directives from Public Health officials to wear masks and stay away from large gatherings. We have to find a space for ourselves. Thats the only option. But, you know, keep your distance, obviously, but just find a nice spot, not to close to everybody else. Should be fine. Reporter beachgoers were already staking out their section of sand before noon. This is beautiful. We get to see the Golden Gate Bridge and came here to celebrate a friends birthday. Reporter keeping an eye on their surroundings. It is a little bit crowded, but definitely keeping social distancing, wearing our masks, and just having hand sanitizerrer, just trying to be safe, the best that we can. Reporter at ocean beach, a different seen, decidedly different from the large group that gathered there on sunday. Mayor london breed tweeting out word that the cityrun parking lots would be closed due to the response. The people here said they didnt mind the long walk and smaller crowds. It was closed because of the massive amount of people, and guess it has to have repercussions. So it took a little longer to park in the going park, but it was going park. So it was a nice stroll. Caller live in San Francisco, christien kafton, ktvu fox 2 news. And to stay up to date on the possible Power Outages, how hot it is going to be, places to cool off and who, just download the free ktvu app. Its in the app store, and it has the latest on the heat wave information. A gender reveal party goes very wrong. How a happy family they havent california turned into a wildfire burning thousands of acres and now the family might face criminal charges. Also ahead, 21 days and counting. We are about to enter our fourth week of spare the air days. Coming up, when we might see clearer skies. And coming up next, an update on the fires burning around the bay area. And there is some good news for people who were forced from their homes. I wanted my hepatitis c gone. I put off treating mine. Epclusa treats all main types of chronic hep c. Whatever your type, cl i just found out about mine. I knew for years. Epclusa has a 98 overall cure rate. I had no symptoms of hepatitis c mine caused liver damage. Epclusa is only one pill, once a day, taken with or without food for 12 weeks. Before starting epclusa, your doctor will test if you have had hepatitis b, which may flare up, and could cause serious liver problems during and after treatment. Tell your doctor if you have had hepatitis b, other liver or kidney problems, hiv, or other medical conditions. And all medicines you take, including herbal supplements. Taking amiodarone with epclusa may cause a serious slowing of your heart rate. Common side effects include headache and tiredness. Ask your doctor today, if epclusa is your kind of cure. Thousands of firefighters have been battling the three complex fires in the bay area. The lnu complex in the north bay has burned more than 375,000 acres, and is now 91 contained. The czu complex in the Santa Cruz Mountains is 76 contained. And the largest fire, the scu complex in the east and south bay has now burned more than 396,000 acres, and is 93 contained. 7 people have died from the fires, and more than 3,000 structures have been destroyed. Many of them homes. Evacuations are underway in Mendocino County tonight after a fire broke out this afternoon. The oak fire started around 12 15 north of willettes. So far the fires have destroyed at least one structure. The Sheriffs Office said Evacuation Orders have bin issued for the Rural Communities near willettes and caballo. In San Bernardino county, the el dorado fire is still burning out of control. It was started during a gender reveal party. A pyrotechnic device set off at a family party was supposed to reveal blue or pink smoke. Instead, it set off a fire that is now threatening homes and forcing evacuations. Phil schumer is in San Bernardino county tonight with the latest. Phil . Reporter well, frank, what is so mad everyoning, this is a fire that should have not park holding the party needed just a spark. Thats 23yearold savannah gibb behind the wheel. She had never been through a wildfire before, and hopes it never happens again. The whole time i was calm and then i just broke down when i sawyer the flames and how close they were getting to all of us. Oh, my god. Reporter its been a fence frightening time here. Savannah and her inlaws in the heart of the evacuation zone, but all stayed put. Fans with water trucks. He theyve had about three hours of sleep over the weekend, but monday, the new 6500 foot home remains standing virtually untouched. This house has taken us a long time to build, and this is our dream home. And we didnt want to leave. We didnt file our lives were in danger. If we felt that way, we would have left. Reporter at El Dorado Ranch park at what was called a gender reveal party saturday, investigators with cal fire said security cameras captured it all. A device designed to show blue or pink smoke after its lit, accidentally caught the grass on fire. It was over 100 degrees, and it doesnt take much to ignite that. Reporter nine out of 10 wildfires are caused by humans. Most accidentally. Some on purpose. Fortunately this one is now burning mainly in the forest away from homes, but there were many close calls. Lots of charred terrain and lots of grateful residents still in their homes. The community is beautiful. The people come together. They evacuate animals, they just come to everybodys side. Reporter back live now, about 9,000 acres burned. Fortunately no homes lost that we have heard of, no serious injuries and no loss of life. Frank, they tell us you can buy this indozennary devices, a come of inches long, and light them. They show blue or pink, and its normally innocent fun, but they just werent thinking, and look at what is left behind me. Its quite possible the person who lit that device could be looking at criminal charges beneficial happens pro situation and a fine, or more. Phil, thank you. The spare the air alert in the bay area has been expanded again, now through wednesday. Here is a live look at the east bay from our mount diablo camera. The murky haze of smoke and fog is expected to linger for at least two more days. They say the current heat wave, combined with vehicle exhaust and lingering wildfire smoke are all contributing to the the recordbreaking streak of spare the air alerts with wednesday making it the 23rd straight day. Yeah, it has been hot, records. Yesterday a ton of records yesterday. Records today, oakland downtown, 96 degrees. That breaks the record of 93 degrees, set in 1957. Well get to the records at 6 00. But i kind of want to show you. I think the headline really tonight going to be the red flag warning. We have the heat advisory, that will probably get dropped. We have the spare the air day extended into tomorrow. Well see some records. But this red flag warning is going to be produced by these winds, and these winds, this is the forecast now for tomorrow morning, tuesday morning. Very, very early. And thats when the winds will be the strongest, and know where they are. Thats in the north bay. See the purpose until thats the north bay. The north bay hills. See the Santa Cruz Mountains . Those are the areas that will get hit the hardest. Watch when that wind event dies down. It doesnt appear to be a very long lived event, but its important. We see red flag warnings often where the winds are right down to the surface, where were seeing most of you are note going to notice the winds. In the Berkeley Hills theyll notice those winds. That flag will be blowing. But most of us around sea level, i dont expect youre going to no distaste lot in the way of wind. The air quality tomorrow will go the way it has been going. Tomorrow is not as hot as today, but still really hot. Y as hot as yesterday, but still records and temperatures above 110 in some places. So ill give you all of the hits, runs, and errors in the next weathercast coming up in a few minutes. All right, bill, thank you. Into were going to take a short break. Back with more if just a moment. Why do i love being a doctor at Kaiser Permanente . My only job is to take great care of my patients. Im empowered to do whats right for you. Our digital records mean your medical history is in one place, so i can give you great care. Your primary care doctor, your specialists. Its great we all Work Together as one team. Our integrated approach to health care helps my patients live longer, healthier lives. I dont just practice here, im a patient, too. I wouldnt trust my familys health care to anyone else. Official labor day. This this labor zone like any other with covid19 hitting the labor