news4 qu6 at begins with severe weather. a storm yi start to our sunday evening. let's get the latest from meteorologist amelia. what's going on out there? >> a severe thunderstorm warning is in effect for montgomery and

fairfax count yi, moving off towards the east at 30 miles per hour. so as we track it for you, hitting rockville at 6:06, bethesda by 6:15. we'll continue to track areas of heavy rain and thunderstorms until about 8:00, 9:00 tonight. even as late as 10:00 for parts you have to the east of washington. when we return at 11:00,up dating the forecast, just some scatter d showers at that point. tomorrow, the weather having a low to moderate impact on your day, feeling like 100 degrees in the afternoon. >> thanks, amelia.

the concert is free and starts about 8:00 tonight. remember you can stay ahead of the weather no matter where you are. download the storm team 4 app for free. just in the last few minutes, take a look. these are photos of a boat that exploded in maryland just off the coast of ocean pines. these pictures were snapped this afternoon moments after the boat pulled away. five people were hurt, three had to be airlifted to baltimore. we're still trying to determine what caused the explosion. we'll keep you updated as we learn more. it's going to be a sad start to the school year in montgomery county. three teenagers were in a serious wreck and the 15-year-old did not survive. the convertible hit a tree saturday and this is what it

looked like. we learned all three teenagers went to sherwood high school. and derek ward spoke with a friend and grieving classmate. >> reporter: the cards and other mementoes went up while there was still hope for all the victims pulled through. now it's a memorial. >> it kind of brings closure, i guess. >> reporter: 15-year-old shawn was the rear seat passenger. authorities say he wasn't wearing a seat belt and he was thrown from the car. two other teens were in the car, 17-year-old maxwell and 17-year-old austin hall. most remain hospitalized. police say the car was heading down heinz road when it hit a tree and kept going and hit a light pole and rolled over. >> it's common to see cars speeding down there, but it's the first time an accident like this happened. >> reporter: the teens attend sherwood high school.

she ponders the lessons here for her son, once he's behind the wheel of a car. >> it's a 2,000 pound machine and people forget that and they get -- they get very comfortable, maybe too quickly. >> reporter: but those sentiments now share space for support. >> a lot of people are shaken. everyone is talking about it. >> i feel real sad about it. this little kid was -- it could have been someone in my family. >> reporter: grief counselors will be here on hand once school starts up again. >> thanks, derek. breaking news tonight in montgomery county. rescuers are trying to save a 25-year-old hiker who is trapped in the potomac just outside the beltway. their rescue could be hampered by the weather. we're working to get more

details and we'll update you as soon as we learn more. the coast guard has suspended its search for a pilot who blacked out and crashed his plane off the coast of virginia. search teams found the engine in a wheel but say there's little chance of finding anything else. the small plane left wisconsin saturday morning. it was scheduled to land in manassas but at one point, veered off course. investigators say it flew into restrictive air space over washington, d.c. two f-16 fighter jets scrambled to escort the plane out. those airmen confirmed the pilot was the only one on board, and he was unconscious. they followed the plan until it ran out of gas and crashed into the atlantic coalition. the plane is registered to a man in wisconsin. germany is shipping thousands of weapons to iraq to help the kurdish fighters. it will include assault file rifles, ammunition and grenades.

other countries have also promised weapons. today on "meet the press," dianne feinstein talked about the dangers isis poses to the united states. >> i believe it's potentially very serious. they have announced that they don't intend to stop. they have announced that they will come after us if they can, that they will "spill our blood." this is a vicious, vicious movement, and it has to be confronted. >> lawmakers are calling on president obama to do more. on thursday, he said the white house did not have yet have a strategy to fight isis. french authorities have arrested a teenage girl for allegedly trying to leave france and join islamic rebels in syria. border police arrested her on saturday just as she tried to board a flight to turkey. she's 16 years old. and france's interior minister said police arrested the 20-year-old than who recruited her. the girl's family did not know what she planned to do, but

authorities estimate at least 800 french citizens have left to join syrian rebel groups. in april, france set up a hotline whose parents were worried about their kids. we're learning new details about a man found dead in maryland. his name is everett brown, 20 years old. investigators say someone shot and killed him. brown's body was discovered in cottage city saturday morning on the river trail. so far police don't know why anyone would kill him. he only lived a few blocks away from where his body was found. detectives canvassed the neighborhood today. tonight, we are learning more about two men killed in a crash in gaithersburg. an suv was going south and veered into the north bound lanes, went off the road, hit and tree and flipped over. the driver was thomas collier and his passenger is daniel

byron. only the man in the back seat survived. paramedics rushed him to the hospital. he's expected to be okay. a maryland restaurant manager finds something shocking in his store. we'll tell you why it's become a crime scene. plus, a man has been found dead inside a metro garage. why police didn't have to go far to find out what happened. and summer is almost over for thousands of students. we'll tell you about getting last-minutes deals. and a new severe thunderstorm just issued, a warning for faulkier and prince william counties. william counties.

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a man was found dead in a parking garage, but police don't think any crime was committed. officers got to the shady grove station around 2:00 this morning after someone found the body. police say it doesn't look as if there was an assault. their investigation did not affect any metro operations at shady grove. tonight, a popeye's chicken restaurant in maryland has become a crime scene after a woman who works there was found murdered in the store. the popeye's is in brooklyn park on ritchie highway. the manager opened up this morning and in the back stock room, he discovered a woman's

body. police say she has significant injuries to her body. she worked last night, but detectives are still trying to figure out who had a motive to hurt her. police are asking anyone who went to the popeye's haste night to give them a call. three days after joan rivers went into cardiac arrest, her family remains hopeful that she'll be okay. her daughter released a statement saying the family is keeping their fingers crossed and thanking people for support. she was undergoing a minor procedure in manhattan thursday when her heart stopped. she's 81 years old but looked to be in good health just the day before. some kids have gone back to class. we'll tell you about some changes come thing school year aimed at keeping kids safe. it's a busy night. prince william, fauquier county, montgomery, fairfax counties under a severe thunderstorm warning.

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less than 48 hours, hundreds of thousands of students will be heading back to school in virginia, from supplies to safety, we show you how they're getting prepped for the first day back. >> reporter: 50%, 60%, 70% off. big sales drove moms, dads, and their children intoo potomac mills mall.

>> camo pants that go with this camo dress. it's really good. >> hopefully we can stay in tuesday 600 range. >> reporter: money to spend, but michelle johnson has a long way to go before she's done buying for all of her kids. just 48 hours before tens of thousands of virginia schoolchildren start a brand new school year. it's not all about the rush to get good deals and hit the sales rack. parents we talked to say they do have a plan in place to make sure their little ones are safe just two days before they get back on the school bulls. >> we always have a backup plan. they do have cell phones. >> reporter: all of the johnson kids have them in case of an emergency, even the little second grader. >> what buttons do you push?

>> 911. >> reporter: in fairfax county, speeding is a big concern. >> i think they should slow down and don't go very fast. a lot of times i see them they're speeding down the road and not caring about anything. >> getting citizens to take into their own hands the safety of their own community is very important. >> reporter: an important back-to-school lesson for all of us. >> kids getting ready for school, people trying to enjoy labor day, but the thunderstorms have been developing so quickly. amelia, what's the latest right now? what are we looking at over the next couple of days? >> the focus will change from severe storms to heat and humidity. here's a live look right now. ominous clouds, thunderstorms, heavy rain getting ready to move into the district. everybody in the d.c. metro area

will receive rain this evening. here's the latest. a severe thunderstorm warning for montgomery and fairfax county until 6:00:30. another warning for prince william county and fauquier county until 6:45. lots of lightning with these windstorms with wind gusts up to 60 miles per hour and heavy driving rain. if you have outdoor plans this evening, unfortunately the weather not cooperating, but we've been talking about that all day today. i'll be posting the timing of these storms throughout the evening, but by around 6:38, expect rain, west gate, 6:41. if you're driving, be cautious of hydroplaning. wheaton, you're going to get pounded in about three minutes. continuing to push off to the east. we were justi issued another

severe thunderstorm warning until 7:15. i'm going to step out to get rid of that dinging and focus on the rest of the forecast. moving through the evening hours, the potential for heavy rain until about 9:00, 10:00 tonight and scattered showers after that. a heat wave. it started today and runs through friday. that means high temperatures at least at 90 degrees or higher. monday and tuesday during the afternoon, feeling like temperatures are above 100 degrees. i'll also post that online so you can check it out. a wide variety of temperatures because of the rain. 91 in washington. temperature forecasts throughout the evening, temperatures will continue to fall but only to around 80 degrees by midnight. mild and muggy. here's your forecast for tomorrow. a cloudy and dry start on labor day. it's dry for most of the day, only about a 30% chance that you're dealing with an afternoon

shower or thunderstorm. that severe weather for tomorrow is not as high. a high temperature of 94 and when you factor in the humidity tomorrow afternoon, it will feel like temperatures are around 1 hundred degrees. tomorrows tuesday night and they could be strong to severe. a severe thunderstorm just issued for washington, prince george's and an run dell county until 7:15. >> we'll keep checking back as things continue with these storms. coming up in sports, brice harper does something for the harper does something for the first time this

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the thing about getting cut in the nfl is one man's tragedy is another man's treasure. >> today teams around the nfl had a chance to claim players off waivers and set their

practice squad rosters. the redskins, like all teams, had their roster set, but that didn't keep them from making moves today. the team claimed a player from the broncos. last season he started 17 games in denver. richard crawford and chase menefield, all back with the redskins. also safety phillip thomas, robert thomas, running back chris thompson with wide receiver nick williams, making it eight signed players to the practice squad. the team has two more spots remaining. and michael sam who was cut yesterday by the rams, he was not claimed by any team off waivers. sam was the first openly gay player drafted in the nfl back in may. let's switch gears to baseball. the nationals going for the sweep today in seattle. their nine-game road trip didn't get off to a great start in philly but looks like they're back on track now.

bryce harper and the nats have gone yard a lot in this series. to have of the second, this is deep to right. a towering shot here. solo blast. that gave the nats an early 1-0 lead. top of the fourth now, it's 2-1. still more from harper. this time he's going to center. that ball is out of the park, his second of the game. 10th home run this season. nats take a 3-1 lead. check out what happens in the dugout. ian desmond throws up his helmet and hits gonzalez in the head. got to protect yourself in the dugout at all times. this was no shocking matter here. dustin ackley goes deep. that is a three-run blast. gave seattle a 4-3 lead. right now mariners on top 4-3 in the 7th.

orioles hosting the twins. birds took the first two in this four-game series. bottom of the third, cruz sends this into orbit. a league-leading 35th home run of the season for him. it's 1-0. in the top of the 6th, birds up 6-2. hardy struck out with the bases loaded in the first. he comes through here. crushes this one to the seats in left. his fourth career grand slam. orioles on top 10-2. but top of the 9th, the twins cut the lead to four. men on the corners. hardy has this, tags second, guns it to first. that was a game-ending double play. orioles win 12-8 over the twins. they're nine games ahead of the yankees in the a.l. east division. let's go to the pitch now. it's always special when d.c. united and the red bulls get togetr. these rivals, but right now

they're headed in different directions. united lead the east and the revs are fighting for a playoff spot. this year the 10th anniversary of the team. red bulls' head coach was a member of that squad with ben olson, united's head coach. in the 57th minute, the goal kick ahead to luis for his eighth goal of the season. united is up 1-nil. later in the game in stoppage time, johnson collects the pass, settles it down, beats the keeper. d.c. united wins 2-0. atop the eastern conference with 46 points. over on the hardwood, it's good to be kevin durant. there were reports that under armor was close to offering him

a contract worth $285 million. today nike matched that offer and their deal would be as high as $300 million. money well earned for kevin durant, one of the best players in the nba. >> as you said those words, we could hear the thunder rolling through. let's get the latest. >> i'm tracking this line of thunderstorms moving through the area. i'll be tracking it until just after 9:00, rain, lightning, potentially strong winds. severe thunderstorm warning continues for parts of washington, prince george's and ann run dell counties. it will feel like 100 during the afternoon tomorrow when you factor in the humidity. follow me for updates tonight. that's going to do it for us. "nightly" is up next.

on this sunday night, fighting back. usair power helps seal a victory over isis militants in one key iraqi town as proeb faces growing pressure to do more. plus, an american city that is a fertile recruiting ground for islamic exemists. out of balance. an nfl player arrested for domestic violence after the league announced tougher measures to combat the