Cold air is sticking around. Meteorologist Martin Theodore has been tracking this morning for potential. I know i saw snowflakes as i was getting up to come in here. Yeah, we are seeing some flurries come down in the district. We have a little stubborn spin in the atmosphere and thats what is keeping this threat for snow in our area. So still seeing some light in frederick. Northern portions of Montgomery County. But as we head throughout the day well see some clearing so might get some sunshine before all said and done. Temperatures will top off in the low 30s as we head throughout the day. The winds out of the northwest and breezy this afternoon. Ill walk you through exactly how cold its going to feel this evening, all the way through your new years coming up in a investigating a homicide found a man shot to death in suv, an officer around 9 30 last night when he found the man. Right now no word on why he was killed. D. C. Are also investigating a homicide this morning. Police say a man was shot just before 3 00 p. M. On bryant street northeast. Died on the scene near 18th street and loomis park. Police have not released the mans name or possible motive. Also Police Investigating a shooting near the gallery place metro station. Bullet holes were gist covered in ha building but dont know if any one was shot. Police say they have surlt surveillance of the Police Say One of the victims had to be taken to the hospital. Police are taking officers in that neighborhood as investigation continues. A group of Correctional Officers will tell you they were just doing their jobs. But for the rest of us their actions make them heros. News4 explains what they did that gave them a special honor. Reporter every day correction officers report to work to keep people safe and every day remind people to be safe. But if you weeks ago it was a prisoner that needed to be saved. We had a detainee who hung himself. And we cut him down. Reporter several officers sprung into action performing cpr saving the mans life. This morning those officers being recognized for what they did. They said they would have done it for any one. Regardless of his charges, what hes protect and promote. Everyone is treated the same here. So all of us try our best to do everything we can to make sure everybody is safe. Reporter they are not sure the prisoner knows if they saved him. But they say thats not the point. Trying to do what im doing. We dont need no thanks, as long as we saved his life, thats what matters. Reporter the importance of cpr officers say everyone should have it. At the department of corrections, aimee cho news4. Maybe how far ridden in the new metro railcars, this he are sleek and comfortable, but some homeowners say its loud and heavy. Its such an issue metro is digging into what the problem is. Reporter the Transit Agency admits some trains are increasing vie brakes levels above metro standards. A woman in neighborhood says the shaking cracked her floors, separated her drywall and knocked puktsdis off her wall. They weigh more than their older cars. Came through one day and one of these fell. Reporter is it every day . Every day. Reporter in recent letter metro said none of the increased vibration levels are enough to cause any structural damage. Well, with new years eve around the corner, you might want to plan about how to get around, and the good news is metro will stay open late to ring in the new year. Our transportation add automatic tuss letting you know what you need to know. Hey adam. Reporter hey, aaron, three extra hours of Metro Rail Service coming up for new years eve. Its happening on sunday and metro usually close sz alt 11 00 p. M. But this year they are open to until 2018, and metro riders making their plans for celebrating safely. Absolutely. First thing i think about whenever i go out for new years, yeah, is where we are going and how we are going to get there and back, yeah. Reporter in recent years miller coors has sponsored late night rail service so it was actually a free trip for riders after midnight. But that isnt happening this year. That means youll have to pay to catch a ride on metro. Rider mel any heart says shes thankful that the Late Night Service is being extended. I think its great. You know, provides people an opportunity without having to drive and to be safe catching a metro. Reporter so again heres what you need to know. Metro will be open until 2 00 a. M. In the morning new years eve, and no track word, and customers will have to pay. Security is going to be keeping an eye in on everything, and even hop morning, the last train times vary by station, so be sure to check the last train time that leaves the station. Now last year over 13,000 riders took trips for the late night rail service on metro system. So certainly a lot of people rely on this option and theyll again have it this year. Back to you. Good to know. Adam tuss live for us. Thank you. Get ready to buy the lotto tickets. This night 210 million with the cash option. Then Mega Millions also growing at 306 million. That drawing will happen on friday night. Good luck to you. Whether you have a new iphone or older one like this, you know apple is leader in the smart phone business. Coming up, well tell you why some consider their latest product a flop. And the rush to pay taxes, might sound funny, but people are worried about taxes what they can to pay early. Drawing for a closely watched Virginia House of delegates race is delayed. State Election Officials were scheduled to draw names from a bowl today after a ruling last week declared democrat sigh minds. And we are following another close Virginia House race. Democrat joshua coal lost to thomas by 73 votes in stafford district. News partners report that coal will not contest the election results. Instead coal says he will continue to support a federal lawsuit seek ago all new election because some voters in that district received the wrong ballots. Well, as the year winds down, Many Americans are wondering how they need to prepare for the changes in the new tax code. News4 Everett Lawrence explains what you need to do now if you want to save money on last years taxes. Reporter President Trump says hes on a working vacation in florida as he travels back and forth to International Golf course during the day. We have not seen much of him since christmas. But hes kept his presence on twitter promoting tax cut saying this will be a great year for companies and jobs. Share prices incorporations are going to go up. Now ive heard numerous pun ditz say that will be good for everyone because everyone owns stock. Well, in fact half of most people dont own stocks. Reporter they say it will help the rich and investing in lower amount of kids. A low income kids education will pay you back seven or eight fold later in life. Reporter still accountants said we should be prepared for the tax changes but time is running out. Its ridiculous, tax season started month early. Usually in december taking it easy. Reporter new tax law only allows 10,000 in property taxes. Prepay right now means you can still deduct a larger amount on other recommendation, charities. Many charitable donations will be removed after january 1st. Tax prepayers say you might want to make an extra donation of money or item before january if you want to write it off your taxes. Edward lawrence, nbc news washington. Now the new gop tax law goes into effect on monday and it will effect property taxes. Montgomery county allows homeowners to prepay taxes before the new law. Now it caps deductions at 10,000. Take a look at this picture from wtop, shows a line of people trying to prepare yesterday, prepay i should say in fairfax county, d. C. And howard countys also giving that option. Today Funeral Services for a son killed in mexico. Her 11yearold son daniel in last weeks bus crash in mexico. They were headed to the mayan ruins when the bus krashds and flipped over. It is in falls church. And her husband and older son were also injured in the crash. Two thieves tried to get one over on the wrong person by selling fake mac pro laptops. The plan went south when they tried to sell to under cop. It happened at the springfield mall. Ts plainclothes officer noticed the laptops didnt look authentic and set up a meeting to buy one. Thats when Police Arrested 27yearold and 30yearold chris continue of missouri. They found several fake laptops inside their car. A lot of you got a new appliance for holidays. A huge jump in sales this holiday season. But anticipapl mark. This for the slump. Reporter on the heels of the Holiday Shopping season apple may have slump. Stocks closing 2. 5 down on thursday, luke warm response should be the companys crown jewel, the iphone x. When announcing the flagship device. Its the biggest leap forward than the original iphone. Reporter cook heaped praise but lowering First Quarter sales forecast. It has denied request for comment. But say potential cause of waning interest 999 price tag, sticker shock. Would you rather pay 1,000 for a phone or a laptop . Im just comparing. Reporter some seeking out cheaper older models like the 7 and 8 saying the Tech Advances dont justify sometimes the price tag is kind of out run what we are getting. Reporter the problem may also go deeper than the high price. With some point go to apple fatigue. Some unimpressed with the new screen size, loss of head phone jacks and facial recognition technology. But analysts caution just because apple is lowering projections that doesnt mean the iphone x sales arent strong. Past years shows slow downs following christmas, and on pace to become the worlds first trillion dollar company. Even after apple admitted to slowing down as they age, now face ago lawsuit, the company says they were only trying to improve Customer Experiences and protect the phones and protecting shut downs and aging overtime. Apple said they slowed down phones to make room for iphone x, a model selling millions. Sheinelle jones reporting there. This weekss cold weather could have you consider pulling out a space heater. We have Important Information on heating your home in the next hour. Plus snow, snow,snow, prices of the season on the only bed that adjusts on both sides to your ideal comfort your sleep number setting. And snoring . Does your bed do that . Its the lowest prices of the season on the queen c4 mattress with adjustable comfort on both sides. Now only 1199, save 400. Plus, 24 month financing available. Ends monday. Visit sleepnumber. Com for a store near you. What if more of the came from Renewable Resources . What if the electric grid could detect, fix and even prevent Power Outages . What if our grid were less vulnerable and more secure . What if all these what ifs became a reality . Well, they are. At dominion energy, were completely transforming our power grid and the way we think of energy. To move from what if to whats next. Welcome back. Think about this, 60 inches of snow in 48 never seen this, and temperatures dropping across the northeast. More on this wintery blast. Reporter overnight power restored in cleveland after left 40,000 people in the dark for hours in the cold. As arctic blast sweeps from new england to seattle. Big chill. In utah an officer a hero after saving an 8yearold boy after chasing his dog through the ice. I started pounding on the ice and once i saw his face pulled his head above the water and called out to the paramedics letting them know im coming in, ive got him. Reporter meanwhile all this snow shocked the much its in sane. Reporter he says his boss told him to stay home but hes been working all day trying to clear the snow. I woke up with and trying to clear. Reporter 63 inches and the county calling snow emergency. More than 6,000 flights delayed. I probably wont be able to get home for a couple of days. I desperately want a salad. Reporter desperation on the roads. I wouldnt go out in this stick. Reporter though some people did in whout out conditions p others hopped on a sled or tried to dig out their cars. Its a little ridiculous but i keep pecking away at it. Reporter at chicago temperatures plummeted to minus 3, despite the windy city reputation. We were shocked by the yeah, its cold. Reporter so cold you could see steam off the chicago river. But wherever you are in the u. S. Its bound to be icy end to 2017. And its not over yet. The forecast calls for more snow, a few inches, in the coming days. Thats could put eerie close to another record. 100 of snow which is what they have for the entire year. Pektsi expecting improving temperatures. But cool off as the northwest wind starts to move in harnd 4 00 p. M. So the wind chills will start to ref things up feeling like the teens. And into the weekend i want to help you plan your new years eve, saturday we do have a snow chance, earlier half of the day, temperatures in low 30s on saturday. Sundy similar set up. Upper 20s. Very cold out there. That wind chill making it feel like the teens. And weve been keeping eye on system on monday but not looking promising, so mostly sunny conditions for new years eve. But expecting low 20s. Spend some time with 10day as we head into today low to 30s. Tomorrow upper 20s. As we head to friday, we have chance for flurries in the evening. Temperatures on friday will below to mid60s. Then we head into the weekend. Your saturday, temperatures in the low 30s. And this is what im talking about as far as snow chance really towards the beginning half of the day. By the weekend, though, im sorry by sundae well start to see the snow chance taper off there. Mostly sunny conditions. A little breezy at times. Its hard to believe 36 degrees is the highest we have on the board. We have some really cold air getting ready to move in, aaron. Its hard to look at that graphic. Just so low. All right. Thank you. A prince and a president , prince harry sits down with former president obama with a radio interview. People around the world tuned in for. And the security scare that had a but the living rooms pretty blank. We did a lot of research online. We just need to have a designer put it all together. Mmm hmm. So, its really nice when clients come in and have. Done some of their own research. What do you think about these chairs and that table . Working with a bassett designer was really easy. Us being young professionals, were so busy. Theres no way we couldve designed it ourselves. No. We love it taking me on this awesome vacation. Welcome to los angeles. Dinner was frustrated Chrissy Teigen with her husband john legend. She was tweeting a security scare. Heres what happened. The flight was about four hours in a trip to technolookyo and w forced to return to los angeles. Because of a customers flight arrangement. Teigen tweeted the passengers got on the wrong flight. They would research it. Bumped out of her first class seat and gave it to a texas congressman. Flying from houston to d. C. And told the Houston Chronicle gave her seat to represent tive jackson lee. Showed the system canceled her trip after a flight she complained and they gave her 500 travel voucher and coach seat on the same flight. Says they automatically upgraded lee shlgs not because a member of congress, says they didnt ask for anything ordinary. Says the airline has not apologized for what happened. First interview since leaving the white house in january, barack obama sat down with prince harry. Met during the games in canada with conversation taking a turn away from politics. Dangers of the internet is that people can have entirely different realities. They can just be codifferent biases. While he didnt mention President Trump usage, he say people in government has to be more careful when using platforms like twitter. Also described what was going through his mind at the exact moment he left thes white house. He says that he was happy to see he and his family hadnt fundamentally changed. We havent fundamentally changed. I think was a satisfying feeling. That was mixed with all the work that was still undone and concerns about how the country moves forward. Since we learned about that interview, people have speculated about whether the obamas would be attending his wedding in may. When asked they would be guests, prince harry says he doesnt want to ruin the surprise. As we are talking about social media, the library of Congress Says its going to stop archiving every public tweet next year. Since 2010 the library of congress has been archiving every single public tweet dating back to 2006. Starting january first it will only archive tweets on selective basis it says. Br gather and preserve pa record of knowledge and creativity for the american people. Well, a Smoke Detector did its job and saved a maryland womens life. We first reported this yesterday. 89yearold was home alone when a fire roared through her house. Detector went off in enough time for her to escape. But as nbc jeff rosen reports the detector is one of several tools that can protect your family in a fire. Reporter im going door to door. Hi there. Jeff rosen from nbc news spot checking. You were sitting here thinking you had a working smoke alarm and you didnt. Its scary. Reporter dangerous threat. In fact 3 out of every 5 People Killed in a house fire didnt have a working smoke alarm. And during the holidays you could be in greater risk. From fast moving Christmas Tree fires like this one, to fires caused by space heaters. So to find out the Orlando Fire Department out enforce, and we are teaming up checking homes for safety risks. Hi. Jeff rosen from the today show. How are you . Good. Reporter we are here with the Fire Department checking peoples smoke alarms to make sure you are safe. Can we come . Sure. Reporter right away the problem. First thing well do is push the button to test the audio portion. So this detector does