quite a bit. the humidity is not going to be down at all. 88 at 9:00 84 at 11. the next couple of days we have another big change in the forecast and this is one i think we will all enjoy. i have got that forecast for you in just a minute. >> looking forward to that thanks, doug. our team coverage continues with zachary kiesch live in alexandria, people doing all they can to stay cool? >> reporter: people are doing all they can, chris. one word out here today is uncomfortable. swept a lot of time in northwest d.c. running around, talking to folks, trying to figure out exactly how they are dealing with this heat and made our way down here to beautiful alexandria not as many out today as we might expect. the real winners columbia height an opportunity to check on the youngsters up there, just enjoying nice summer day. i think that's the way it was really supposed to be but for everybody out here running around in suits and ties, not exactly a win. you saw lot of folks out there with umbrellas today trying to dodge that heat. of course, the workers, the folks who got to go out there and do manual labor here in this hot, hot sun, lots of water for them today, they said. of course some people tough it had out and got some exercise in. so, not a bad day all in all. now, coming up tonight at 5:00, we are going to continue to talk about how people are handling this heat. and of course there's a number of hot weather shelters set up in d.c. as folks try bare down and deal with the heat. i talked to one woman and here is what she had to same >> not as bad if it's not as humid. not bad if it has a breeze. you feel a breeze? >> slight breezish still sweating my brains out. >> reporter: no breeze out here, i don't care what she had to say, literally, very little breeze out here. reporting live here in alexandria, back to you in the studio, chris. >> thanks, zach. zach touched on this dozens of cooling centers are open in d.c., maryland and virginia. you can find the one closest to you on our nbc washington app. wendy? major developments this afternoon involving the explosion at a government lab over the weekend. sources are telling news4 the blast at the national institute of standards and technology in gaithersburg may have been caused by a secret meth lab. investigators have recovered several chemicals, melted bottles and a recipe used to make meth at that facility. and a high-ranking federal police officer who was hurt in the explosion is believed to have been cooking those chemicals. news4's jackie bensen is gathering more details for a live report from the site coming up tonight at 5:00. the hunt is on in prince george's county for the people who shot at a car hitting a man in the back seat. both cars on route 50 in landover. about 5:00 in the morning when people in a dark honda accord fired at a jaguar. the guy in the jaguar was hit in the leg. our county bureau chief, tracee wilkins working this story, we will be talking to her in the next half hour. now to the mansion murders case so many of you have been following along with us. the main suspect was in court today and so was our pat collins and he tells us now what detectives reveal. pat? >> reporter: chris, we know about the dna evidence on the pizza, but today, we learned about more dna evidence in this case. darren wint is linked to the quadruple murders that the mansion in woodley park by dna, dna that was found on an uneaten piece of pizza at the crime scene. today, we learned of another match. at a preliminary hearing here at superior court, a police detective says wint's dna was found on a neon green safety vest located in the savopoulos porsche found the day of the murder and later torched in prince george's county. it was may 13th when savava savopoulos savopoulos, wife amy 10-year-old son, phillip and their housekeeper vera figueroa, were found murdered at the family home on woodland drive. a fire was started in an apparent effort to cover up the crime. police say the murders happened after $40,000 in cash ransom money was delivered to the house. wint was arrested with a group of people about a week later. police today say they have recovered $30,000 of that ransom. $3,000 in money orders $7,000 in cash and $1100 that they say wint paid to an immigration lawyer two days after the the murder. sean hannah, an immigration lawyer, represented wint a few days after the his arrest but he was not the immigration lawyer that got that $1100 retainer two days after the the murder. now the judge found probable cause, this felony murder case goes to the grand jury. the next hearing is in september. in court today one of the valve savopoulos daughters, she was in the front row. i will have more at 5:00. now back to you. >> thanks, pat. secretary of state john kerry will be traveling to havana and cuba next month to raise the american flag over the u.s. embassy there. today, it was washington in the spotlight as cuba's embassy officially opened on 16th street. the cuban flag now flies in the district for the first time in half a century. >> this is the first visit to the department of state by a cuban foreign minister since 1958. so it is an historic day a day for removing barriers. >> secretary of state john kerry continued his remarks in spanish. metro is making more changes to deal with smoke and fire inns dents like the one at la fant'enfant plaza this year. a new position will work between first responders and metro. on the first day our adam tuss reports the fire liaison assisted in 16 incident. right now, some new, shiny cars are rolling on metmetro's orange line. the 7,000 cars made their debut on the blue line in april. the scars electronic signs padded seats but no carpet. they also have closed-circuit cameras for added security. anyone traveling near dulles airport this evening may want to think about an alternative to the busy route 28. crews are still working to clean up gallons of tar and diesel fuel that spilled from this tanker in loudoun county late this morning. these are pictures from chopper4 of the toppled truck along route 28 near the airport on a ramp that goes west to route 606. nobody seriously hurt in this accident. fbi agents are examineing the life of a killer. what friends and chattanooga shooter are revealing about potential warning since. you have probably seen this video, now we will hear from the mother of that professional surfer who nearly ended up in the jaws of a shark. talk bin decent exposure. why the lifes humidity still way up there but temperatures have come down a little bit from yesterday's high of 98 degrees. check out the heat index value. yesterday, for several hours 106 107. today, who have, around 102. here is a look across the area 102 inside the beltway. 105, leesburg. one of our high spots. the most part, around 100 degrees current heat index value and heat advisories until 8:00. once the sun set the temperature drops to about 88 with the heat index around 90 degrees. going to be warm and sticky during the overnight period. storm team4 radar right now, we will show you where there could be showers and storms moving through in a few minutes. getting new information about the man accused of killing four marines and navy sailor. those who knew him best say mohammad youssuf abdulazeez was depressed and suicidal. one of his friends said he made a disturbing video in a media class. the video is from seven years ago and the friend tells msnbc shows abdulazeez blowing up a sandwich shop. when his mother filed divorce papers, she told the court his father beat her and her children. the family of the woman who was found dead in a texas jail cell is awaiting the results of an independent autopsy that they commissioned. in the meantime, they are mourning sandra bland's death one week ago and an impromptu memorial is growing at the place where she was arrested for reportedly kicking a trooper during a traffic stop. yesterday, her family and friends attended a prayer service at a nearby church. >> we pray that the family and the friends and the community would not harbor bitterness. >> sandra bland was found dead in her jail -- her cell three days after her arrest. jail officials say she hanged herself with a plastic bag. the fbi and the texas rangers are investigating. some of the faithful planning a pilgrim imagine to see the pope are running into problems. why sales were put on hold today. kicking, screaming, thrashing, a surfer survives a shark encounter. now, his mother is telling us what she was thin dramatic shots of a surfer punching a shark in the face this much is real life from a competition off the coast of south africa. it had millions watching in horror yesterday. nbc's joe fryer has the latest from the surfer who lived to tell about this attack. >> except for last sea done -- >> reporter: in the final heat of competition, a surprise entrant surfaces. >> see a little splash. >> reporter: a shark pulling surfer mick fanning underwater. >> [ bleep ] excuse me. >> reporter: for a few nerve wracking moments there's no sign of fang, who disappears behind a wave. anxiety gives way to relief when he emerges unharmed after punching the shark, pulled to safety with an amazing survival story. >> just kept come agent my board and i just was like, kick and screaming. i was waiting for the teeth to come out and as i was swimming, like ahhh. >> you get a couple punches in? >> i punch it had in the back, yeah. >> reporter: it all unfolded on live tv, time standing still as his mother watched from australia. >> i thought it was a shark attack and we were absolutely terrified. i thought we lost him. when he got on the jet ski, that was the moment i sort of thought, thank you. >> i'm somehow perfectly fine. >> reporter: fanning is especially grateful, his fellow finalist, julian wilson actually swam toward the danger to help his competitor. >> saw him got knocked off his board and like a little wave popped up and like, he's gone. he's gone under. i felt like i couldn't get there quick enough. >> reporter: a real-life "jaws" adventure with an ending fit for hollywood. >> even though we are competitors, we are still friends and, yeah just kicking in slowing down there. tripping out. >> reporter: right after the attack, fanning said he would probably be happy to not ever compete again. we will have to wait and see when he does return to the water. after sunday's xark the final round of the competition was called off with both fang and wilson agreeing to split the money and the points that impact overall standings. joe fryer, nbc news, london. >> wow talk about sportsmanship. another deposition has come out against bill cosby and this could help other women who claim he victimized them. this deposition was taken ten years ago and in it, cosby says he paid women after having sex with them and went to great lengths to hide the sex and money from his wife. it's all part of a lawsuit filed by a former temple university employee who accused cosby of drugging and molesting her. cosby denies the allegation and says she consented. sales of the rail passes for the pope's visit to florida are on hold after a flood of people overwhelmed the website. ten minutes after those tickets went on sale today more than 900,000 people were looking to buy them. that's more than -- many more than southeastern pennsylvania transportation authority had expected. pope francis will be visiting d.c. new york and philly at the end of september. officials are asking residents to weigh in on the fate of a confederate soldier statue in the rockville town center it honors those who fought for the south in the civil war but confederate civils have come under scrutiny since the massacre at an historic black church in charleston. tonight's meeting kicks off at 6 at rockville city hall. a neighborhood campaign to keep a gun store from opening in an arlington shopping center paid off. mcclain-based nova firearms had signed a lease at the former curves location off lee highway in cherry dale. the owner of the shopping center says he decided to cancel the deal after people threatened to stop shopping at the other businesses in that strip. neighbors also complained about its close proximity to the several schools. we called gun store owner for reaction. we have not heard back. hundreds of people from around the country are working to improve the grounds at arlington national cemetery. they are mostly professional landscapers and part of their annual renewal and remembrance project. right now they are planting trimming and improving to honor the service members buried there. southern california's historic rains caused flash flooding that washed out a bridge on a major interstate a 30-foot section of the 10 freeway collapsed near palm springs yesterday. interstate 10 links california and arizona and this afternoon that section of road is shut down indefinitely. this badly needed rain overwhelmed the parched desert areas, swamped cars and triggered sinkholes and mudslides. >> i guess our main problem for you now is the heat? >> yeah and the buckets of sweat pouring off of us. >> that's going to continue guys as we move on through the rest of the night tonight and most likely through the day tomorrow. ber starting to see things go down just a little bit as far as the heat index. temperatures outside currently, on the hot side for sure. 95 degrees at the airport. that heat index up to 102 degrees. that coming in with sunshine across our region. it is another very hot day not quite as hot as yesterday and tomorrow will be just a little bit cooler. but still on the hot side. 91, down toward hunting town and annapolis, 94. heat advisory tops until 8:00 tonight for all the areas here highlighted in orange. because you're not in it love et ceteraville clarksburg, still going to be on the hot and humid side for sure. watch this frontal boundary from chicago make its way down. that is a krold front that will swing through the region tomorrow, give us a chance for showers and storms, bring relief from the heat. here is future weather, tomorrow, 8:00 no worries. cloud does keep us cooler tomorrow and watch the showers develop, best chance back toward the mountains the afternoon, even around 3:00 coming on through parts of the region tomorrow. not everybody will see the rain. if you do see it, however, it is going to help to cool things off a little bit and everybody on the cooler side, we make our way in toward wednesday. tuesday, hour by hour forecast, 78 degrees humid tomorrow morning, mostly cloudy skies, some clouds, but not bad at noon, but on the hot side 88, 92 by 4, that chance of storms during the afternoon by 8:00 still on the hot side temperature of 89. car wash? yeah. how about for sure. great weather moving in. might want to wait until after tomorrow though because like i said after tomorrow, the weather really gets good. take a look at this, wednesday, thursday and friday, beautiful weather 89 wednesday, 89 on thursday, 90 degrees coming up on friday. low humidity as well. veronica's going to have more what you can expect for the weekend as the humidity tries to work itself back in. i'm scott macfarlane at the live deck, a major water main break in a major road in washington, d.c. closed because of it. try to give you imams of it, north capital street, the 6200 block near sheridan street. d.c. water is on the scene. the metropolitan police department there, too because traffic is blocked as they try to stop the break plug the break and reopen the road. that's north capital street, 6200 block of the road, a distance north of the capitol, near sheridan street. water main break happening, clues on the -- crews on the scene. hackers shining a light on hidden hookups, the scandalous security breach raising eyebrows. a celebrity split. why a country music couple is calling it quits. i linked to this on my facebook page, millions who use an online dating service that helps them cheat on their partners maybe scrambling to cover their tracks. >> this after into, ashleymadison.com off irtoddle leet member profiles free of charge. this comes after hackers stole and leaked personal details belonging to some users and threatened to release naked pictures. this site hooks up people who are looking to have an affair and usually charges $19 for members who want to fully delete and cover up their digital tracks on the site. ashley madison says it has removed all personal details previously made public by those hackers. one of country music's most famous couples is calling it quits. blake shelton and miranda lambert announced their divorce today. they met ten years ago at a concert special and got married four years ago. the country music association has named them male and female vocalist of the year for the past five years. the couple released a statement today saying "this is not the future we envision." sheltson a judge on nbc's "the voice" and they didn't have any kids together. one moment removed from con throw verse say woman who lied about her race makes a new revelation in "vanity fair." a new era in diplomatic relations. what is next for cuba and the united states now that the cuban embassy is back in business? a weather alert day, sweltering heat and humidity. our team of meteorologists next with the new look at whe enough to send you running to the nearest lake, pool or shower. temperatures in the mid-90s, the heat index over 100 degrees. >> air quality quite poor a heat advisory is in affect. meteorologist ver von kaonica johnson in the storm center. how long all right heat stick around? >> at least another day. get to 8 or 9:00 until it feels better outside. show what you i'm talking about temperatures running in the mid-90s, many neighborhoods. heat index 102. snipe across the area looks like we might have an isolated shower, not happening on storm team4 radar. walking the dog says it hot for 7, 8:00 afterwards, temperatures start to come down, into the upper 80s a little uncomfortable and sticky by late evening, the early part of the night. for tomorrow, traveling we are type. exercising, we have at least come out of the red and into the orange. still want to minimize your activity outside in terms of hours, the amount of time and, of course make sure you hydrate and take it easy. we go from oppressive conditions to pleasant condition buys midweek. show you those temperatures and if this kind of weather is going to be able to stick around for the upcoming weekend. i'm molette green in georgetown. we found folks all around town determined not to let this heat wave take away from their normal routine. even on a hot and steamy morning, the outdoor exercise group, november project gets in and early workout. >> if you like to workout, it is okay. there's no excuses. there's a girl in a cast which is working out right now. so, there's no excuses to come here. >> reporter: not far from their reach water and gatorade to hydrate after a sweaty workout in 85-degree temperatures and already sticky, harder for the body cool. >> it's a hydration pack. it has got a camelback in the back you fill it up and you can drink out of it any time you want. >> reporter: that's quite a contraption there. we caught one that group before 9 a.m. getting the workout in before it is as hot as it is right now one other thing, be sure to check on the sick, the shut-in, the elderly who maybe stuck indoors without air conditioning n georgetown molette green news4. >> an 81-year-old northern virginia man is accused of inappropriately touching a teenager at a pool changing room. the 13-year-old boy says that sal dolla ghazi approached them yesterday afternoon. they were near ridge top road ant government center park watch gauzy is charged with indecent liberties with a child. i'm melissa mollet with your first four traffic and reminder of a project starting in northwest. it is that bridge replacement project on 27th street in northwest, going to be shut down between military road and broad branch road. again the road's going to be closed until september to all traffic, biking, pedestrians, cars as well. the detour signs are already in place. going to have to take that. have a good one. if you have the nbc washington app you were able to watch live -- news4's steve handelsman is live outside the embassy right now. >> reporter: hi chris. here in our town the nation's capital, the flags of many, many nations are raised every morning, but hauling up this flag here today was unique. the cubans staged a big ceremony and honor guard and the music to raise the cuban flag in washington, the same flag said the cuban government that was taken down here 54 years ago. just up 16th street from the white house. now, in is the cuban embassy again. diplomatic relations restored. >> cuba. cuba. cuba. cuba. >> reporter: a crowd came to witness history. many cubans, most joyful, even emotional. 88-year-old elore hernandez showed off his cuban passport. you are happy today? >> i'm very happy. >> reporter: some here chanted cuba, si, castro, no. they say cuban dissidents are still beaten. >> the obama administration is going to provide millions of dollars to the castro family to continue its repression on the island. >> reporter: cubans are not free but some political prisoners have been released and as secretary of state john kerry welcomed the cuban foreign minister, the white house says cubans will benefit. >> we are confident the best way to advance universal values like freedom of speech and assembly through more engagement with the cuban people. >> reporter: next month the u.s. flag goes up at the american embassy in havana. for the 11 million people of cube wanted 2 million cube.sin america, new hope that life will get better. what has not changed despite the cuban flag flying here and diplomatic relations restored is the u.s. trade embargo against cuba. lifting that is still up to congress and most republicans there still say no. live at the cuban embassy in washington, 16th street, i'm steve handlesman, news4. wendy back to you. . thanks, steve. a popular lake in maryland is adding more restrictions to jet packs. the board at deep creek late lake in garrett county says jet packs cannot be used on weekends or the holidays according to a report in the cumberland times news. the board says it is not singling out jet pack users. those are the same restrictions in place for other personal water craft. any jet pack user in the state of maryland has to be at least 16 years of age, wear a helmet and be in water that is more than six feet deep. it's been weeks since her parents outed her but a former naacp official isn't backing down. rachel dolezal told "vanity fair" she still identifies as black and says it is not a costume. last month, her parents went public saying she was a white woman passing as black and dolezal say she had lost her job and friends because of it. she told "vanity fair" she still does feel like she is -- like she hasn't misled or deceived anybody. could a daughter for ebola come from maryland? researchers are trying to make it happen. today, emerge gent biosolutions announced it will start manufacturing an ebola treatment at its facility in baltimore. it contains antibodies to the vie are you similar to the drug use ted height of the global ebola i don't you the break last year. the u.s. defense department is providing near lids 20 million for -- nearly 20 million for this project. governor hogan is undergoing his second round of chemotherapy. the governor has stage three non-hodgkin's lymphoma. his first chemotherapy session lasted five days. yesterday he started another round of treatment. the "baltimore sun" reports people across the state have organized vigils of support. governor hogan says he will be working from the hospital and should return to the job full time later this week. showdowns on the sand, they don't get much stranger. why shots were fired over sea turtle eggs. donald trump facing blistering criticism for his comes about senator john mccain. so, why is the republican presidential candidate thinking he is the one who should be iran keeps their nuclear facilities. military sites can go uninspected. restrictions end after 10 years. then iran could build a nuclear weapon in two months. iran has violated 20 international agreements and is the leading state sponsor of terrorism. oh my gosh, it's the guy from last night. what?! can i jump on your wi-fi? yeah, you can try it. hey! i had a really good time last night. yeah, me too. the only thing is that... the only thing is what? what's the only thing? oh my gosh he's married. he's a kleptomaniac. he's a pyromaniac. he's a total maniac. hey! hey! go back to your wife you sociopath! leave slow internet behind. the 100% fiber optics network is here. get out of the past. get fios. now $79.99 a month. go online or call now. call the verizon center for customers with disabilities at 800.974.6006 tty/v a very hot day on monday, after a hot is up day. tomorrow another hot one, not quite as hot. 95 current any rockville and d.c. 94, reston. 91 out toward dulles, manassas and warrington. heat index around 100 degrees. that's why we have the heat advisory in affect. tomorrow, partly cloudy another hot one not quite as hot. high temperatures in the upper 80s to the low 90s for the most part, we will see a few storms and a few more clouds than we have seen across the area today. any storms could be on the strong side, but not everybody is going to see those storms. now your biking forecast, thinking about taking the bike outdoors tomorrow, looking okay, 89 a.m. mostly cloudy, 84 at that time, 19 by 1:00. as i mentioned possible storms late in the afternoon, 92 for a high to as always, thinking about getting out there on the bike, download and check the nbc washington app to make sure that your bike ride is going to be rain free. guys? the feds are investigating a pipe bomb explosion that injured three people in a neighborhood that was packed with kids and family. this informs ohio in a small village in eastern ohio, and it happened this weekend. investigators think someone brought a homemade cannon to a cookout saturday afternoon and it went off later this night, sending shrapnel flying into cars and houses. police say they have a person of interest. over in south florida 75-year-old man says getting shot not gonna stop him from protecting turtles. stan pannaman and others took turns watching sea turtle eggs about to half he carries a small handgun and during his shift, he says man sitting on a bench nearby started mumbling how he hates sea turtles. pannaman pulled out his cell phone to call the cops that's when the man threw him on the ground took the gun out of his pocket and shot him in the leg. >> he pointed the weapon at me and said i'm going to shoot you with your flare gun. i said to him, that's not a flare gun. he said, are you all right? are you all right like he was in shock. i said sir, you just shot me, how could i be all right? >> the turs are resting size tonight because stan is not backing down. police arrested a man named michael mcauliffe and he is being held without bond. donald trump not backing down from controversial comments directed to john mccain. now the senator is striking back in this war of words. >> a great honor in my life, was to ser well it has got an bit nasty between a current and former republican presidential candidate. senator john mccain is now responding to comments donald trump made about his war record. >> trump says the only reason people consider mccain a hero is because he was captured. but as nbc's brian mooar reports, mccain wants an apology, but not for himself. >> reporter: senator xbrm suspect asking donald trump to apologize for mocking his bar record. >> but i think he may owe an apoll xbri to the families of those who have sacrificed in conflict. >> reporter: mccain was held prisoner and tortured during the vietnam war but said the real heroes fought and died. the great honor of my life it was to serve in the company of heroes. i'm not a hero. >> reporter: many disagree and mccain supporters include president obama, who has been at odds with mccain since their 2008 presidential showdown. >> those debates have not reduced his appreciation for senator mccain's remarkable service to the country. >> i said very clearly, he is a war hero. i have absolutely no problem with that. >> reporter: today, trump refused to apologize for what he said on saturday. >> he is not a war hero. he is a war hero 'cause he was captured. i like people that weren't captured, okay? i hate to tell you. >> reporter: his rivals say it's time to move on. >> he should just apologize. i think probably move on to the next thing. next week, there will be another one of these things. >> reporter: donald trump finding himself with few allies in his latest war of words. brian mooar, nbc news, washington. another step forward in the iran nuclear deal, today, the united nations security council and the european union approved resolutions that set the stage to lift international and european economic sanctions against iran. president obama is urging congress to consider the agreement's strong international support. >> there is broad international consensus around this issue. also among experts in nuclear pro- proliferation. my working asuch ing asufrning asuches ing aing assumption is congress will pay attention to the deal. >> congress has 60 days to review the deal. they held classified hearings today for the senate. a & p is filing for bankruptcy. the grocery chain says it plans to sell off as many of its stores as possible. now, it has face sold tough competition from wal-mart, target and other stores that have expanded their grocery options in recent years. a & p is based in new jersey and operate stores in six states, including maryland. this is the second time in five years it has filed for bankruptcy. virginia is on track to increase the number of college-educated students that it's putting out in the workforce. college enrollment could jump 7% by 2021. that translates to 475,000 undergraduate students. virginia's council of higher education will be crunching the numbers at a meeting tomorrow. the council's goal to award an additional 1.5 million degrees and credentials by 2030. a pregnant mom and her two children were swept away by floodwaters and now, her ohio community is reaching out to help them and their family. it happened near the up to of ripley yesterday, about an hour outside of cincinnati. the floodwaters pushed the family's mobile home off its foundation in red oak creek. the mother was six months pregnant. her 5-year-old girl and 7-year-old boy also died. the father and two old kids are still in the hospital. right now, engineers are inspecting part of that busy california interstate that was left crumpled from the heavy rain there, interstate 10 trapped several people in cars when it collapsed yesterday. one driver still hospitalize. that interstate will be closed indefinitely. this is a major route for travel between california and arizona. and from the heart of the country east, it's been a hot one. temperatures are, well they are up there again in the throw mid-90s, not quite as high as yesterday, but still plenty out there still hot at 7:00, temperature down from 95 to 91. dry conditions at 9:00, but the humidity still barge and sticky at 11:00 83 the temperature. here is a look at future weather starting with early tomorrow morning you can see partly sunny, but watch what happens as we move through the day. going to pick up some cloud cover a mixture of clouds and snipe and new at lunchtime tomorrow, still partly sunny, but after 2, 3:00 we are going to see a line of some storms start to come into our area, manassas, culpepper, orange, city of the storms we have tomorrow could bring heavy rain with them as high as the humidity is. southern maryland by 5:00, after that, can't rule out stray showers still left over. i think after around 9, 10:00 tomorrow, rain chances are done and pretty much done for the week. we will have a high temp going up -- actually these are the highs from today into the low 90s cries the area. again, as far as the pool goes another good pool day coming up but keep a watchful eye on the sky because we have got a better chance of seeing scattered thunderstorms across our area. always a good time to have our weather app on your phone. just download the nbc washington app and you can have those radar and the storms right there in the palm of your hand. heat index tomorrow around 100 degrees, the air temp up to around 89 to 93 degrees. your sky cast, again will see clouds across the area. around 2:00, we could start to see some of the showers and storms make their way in. let's show you the hourly forecast here, because tomorrow, going into the low 90s for temperatures, 92 at 3:00 89 by 7:00. again, scattered storms around the area, while our air quality tomorrow will still be in the up healthy range, we will see improved air quality by wednesday. so, by then, we will be able to get out. not too hot on saturday, temperature going up to 89 degrees. then on sunday, chance for some scattered showers and storms throughout our area. one more day of the heat wave and a 50/50 weekend coming our watch a lot more coming up on news4 at 5:00. we are working several developing stories in our newsroom. in about ten minutes jackie bensen will be live in gaithersburg with what we learned a secret meth lab may have caused an explosion at a government lab. version found chemicals and a res for meth at the national institute of standards and technology a high-ranking federal police officer who was hurt in that explosion is believed to be one of the people cooking those chemicals. this is chris gordon at the montgomery county courthouse where last week, a judge released a defendant in a murder case simply on his promise not to run. but apparently, he did. 32-year-old deion sobotker was ordered to report for the fitting of an electronic monitoring device and to be confined to home detention but sobotker disappeared on thursday. the montgomery county sheriff's fugitive squad searched for sobotker all weekend. >> we know that he stayed in a hotel. we know that he stayed in another location last night as well. but none of these were areas where he was -- he told the court he was going to stay. >> reporter: all new at 5:00, how the sheriff's department got their man. the arrest of a fugitive coming up on news4 the at 5:00. an age-old problem trending in the wrong direction. why kids in d.c. are drinking at a younger age and how the city is trying to curb it. one man ended up here at the emergency room after troopers say a vehicle fired into his car while he was riding down route 50. i'm tracee wilkins. on saturday in wisconsin strong winds blew a balloon out of control with two people in the basket. two of the tethers anchoring the balloon to the ground snapped and there went its link to the ground. a third tether was tied to a parked suv. look how strong that wind is it just blew the suv right along behind the balloon. amazingly the people in the balloon walked away unharmed. there were some tense moments today off the coast of houston, texas, a barge broke free from a tug boat and collided with another barge. one of the ships was carrying 1 million gallons of oil and call the fire. now, it happened this morning took about four hours for firefighters to get that fire out. right now, crews are going in to try to see how much if any, of that oil leaked out. here in the district there's a new concern about an old problem, underaged drinking. tom sherwood reports the city kicked off a campaign today to warn against alcohol abuse. >> reporter: beer wine alcohol, readily available legally most anywhere in the district, but too often, readily available to young teens. seems to be getting younger and younger, size to get in people's home, not under lock and key. >> reporter: this woman worked with the latin-american youth center since 1979, running it since 1987. >> we have a serious problem in drinking among youth of all pages. it is not limited to any one ethnicity. >> reporter: a multiyear campaign was announced today to combat underaged drinking a survey shows 22% of teens say they have used alcohol before able 13. >> youth who drink before the age of 15 are five times more likely to develop alcohol dependence and abuse alcohol by the time they turn 21. >> reporter: the program won't eliminate alcohol abuse among young people but the mayor says parents need help. >> we want to make sure that parents are armed with as much information as they can on a variety of issues but alcohol use is certainly one of them. >> reporter: officials say young people often are unsupervised outside a school because some parents are working two or more jobs to support the family. in the district tom sherwood news4. news4 at 5:00 starts now with jim and wendy. >> explosive and under investigation. newt 5:00 and only on news four an explosion on federal property and person who is believed to be involved, his job was to protect people. and we still have that heat advisory in affect across the area until 8:00 tonight. current heat indices close to 100. i will show you when we see some much-needed relief. first to some big rev playing the main suspect in those horrible murders inside that mansion near the national cathedral. darron wint is charged with the murders of three members of the d.c. family and their housekeeper. pat collins was in court today, he joins us about new evidence that police say links wint to this quadruple murder. pat? >> reporter: wendy gonna start with a story about a savopoulos survivor a daughter in this court, in person looking at the man accused of killing her father, killing her mother, killing her little brother. in court today, one of the savopoulos daughters. she was away at school when it happened. she sat in the front row of the courtroom. she had a stone in her hand rubbing it with her fingers from time to time. she watched, she took notes, she heard it all. today, new autopsy results. a detective at superior court says savava savopoulos and the family's housekeeper, vera figueroa, were murdered by strangulation. they were two of the four victims in this horrific quadruple murder at this mansion in woodley park. also killed savava savopoulos' wife, amy, stabbed to death and their 10-year-old son, phillip, burned to death. there is evidence they were tied and possibly tortured. police say the weapons include a baseball bat samurai swords and an unthen sharp object. charged in the case, darren wint. police say his dna was found on a peas of uneaten pizza at the murder scene. today they say wint's dna was also found on the scene of this burning porsche car, stolen from the mansion on