S mike wankum. Look at that. Mica you probably didn t notice it this much this afternoon, we have a number of advisory warnings. That is a wind chill warning. The windchill the cave is in this windchill advisory. You talk about winchell s way below zero. This goes all the way back to the great lakes. This is some cold stuff in the east. Pittsburgh is already already don t five. Wurster down to one. We are still in the teens. Here is the windchill index. It feels like 23 degrees below zero. Record low temperatures. This will be the coldest night we had we have had in a decade. It is going to be brutally cold tomorrow morning. There is some improvement. There is some big improvement coming down the road. We will talk about those temperatures and when we flirt with 50 again. Reid as mike just told us we are looking at dangerous conditions tonight. Newscenter 5 s Nicole Estaphan is live in boston with some of the precautions you should take, nicole. Nicole it s cold out here, getting colder and i am amazed to still see people out here without gloves or hats. That s what it is all about, dress in layers, dress warmly. And if you don t have to go outside, don t. Its pretty chilly, especially with the wind. Nicole and it s about to get colder. So cold, that the boston area near historic lows. Some boots, i would have a double hood in the morning. Nickel nicole though we found many saturday, as prepared as one can be. Expected wind gusts overnight will have the air feeling like 35 below zero. For a new englander that s cold imagine this couple from texas its 8 degrees and humid. Just keep moving, that is all we are doing. Just keep moving in and out of buildings nicole if you do go out know , the signs of hypothermia. Grogginess, tiredness, and you will feel a coldness and stiffness. Sometimes you are not even aware it is happening. Nicole and don t forget about your pets. How coldest to cold . The night temperatures combined with the wind, they should all be inside. Here is an idea, an indoor dog the doors opened up just in time for the winter chill. It s very important. They get hypothermia just like all of us. Nicole some important advice from fire officials, they say test those fire alarms, as well as Carbon Monoxide detectors. Make sure they are working. Nicole, wcvb new center five. Reid remember all weekend you can take the latest storm team 5 forecasts with you wherever go just download the free wcvb mobile app for iphone and android. Re getting more information about the crash this week involving former boston mayor ray flynn. Doctors at mgh say he developed an irregular heart rhythm that led to a drop in Blood Pressure and loss of consciousness. The condition is called aborted sudden cardiac arrest. Flynn was given a defibrillator. Mayor flynn was driving from the gym when he crashed his car thursday in south boston. Right now, the search is on for a hit and run Driver Police believe targeted a teen in bike. Newscenter five s Juli Mcdonald is live with the latest on the investigation. Juli that 15yearold continues to recover this evening; he was initially flown to beth israel yesterday afternoon, and then was transferred to children s. Police and the da s office are still looking into exactly what happened during an exchange between the boy and the driver moments before he was hit. Lowell police are still looking for the driver who witnesses say intentionally hit a teen on a bike just before 2 friday afternoon. As investigators piece together what happened, they re even more confident the hit and run was neither an accident nor random. Some of the witness who came forward said there was some type of argument or discussion between the occupants of the truck and this young man. Juli when the boy rode off, witnesses say the truck drove on the wrong side of the road after him, sending him flying off his bike. The white pickup truck we were looking for fled on lawrence street. And found part of the bike had been dragged almost a mile away on bolt street. And on the other end of the street the abandoned truck parked behind a landscaping business. Investigators believe they have an idea who was driving and who else was in the car, though it may not be to whom the truck with New Hampshire plates is registered. When police first began searching for the truck, they sought the public s help. You ll hear part of the code red message neighbors received, next at 6. Reid right now, firefighters are investigating a three alarm fire at a home in lawrence. The fire broke out this afternoon at this home on butler street. Lowell, andover, and North AndoverFire Departments were called in to help put out the flames. The good news here was no one was hurt. Pam commitment 2016, the Jeb Bush Campaign just announcing former president george w. Bush will hit the campaign trail for his brother. He and former First Lady Laura Bush will speak at an event in North Charleston, South Carolina on monday. Meanwhile the six republicans come face to face tonight. Abc s lana zak has a preview ahead of the debate. Lana from the rally stage to the debate stage, jeb bush and john kasich warming up for tonight s gop faceoff. Give me a chance to take this message to america. Give me the votes you have and call three people and get them to vote. The first showdown will be between the six remaining republican candidates. It will get nastier and they get personal, they get ugly. After his big win in New Hampshire, donald trump is staying positive, but not anymore. Cruz punching back. Trump uses power for personal gain. Lana democrats Bernie Sanders and Hillary Clinton are facing off in the campaign trail for the next state, nevada. We surprised them in iowa, we surprise them in New Hampshire, we are going to surprise them in nevada. Lana sanders working to capitalize on his momentum after trouncing clinton. Clinton rallying supporters to rally back. I know you are here because we have work to do. Reid on his route this week, postal worker new something was just not right. Sera congi explains tonight, his instinct is credited with saving a man s life. Sera tom balzano takes pride in knowing the people he serves on his mail route. I feel like i know everybody. Sera so when one braintree resident broke his routine, balzano took notice. I used to see him once or he d always come out on the tenth of every month to get his Social Security check and when he didn t come out a couple of days ago, i got concerned. Sera once the 67yearold s mail started to stack up, balzano contacted police. It just didn t seem right. Sera braintree fire was called in to help get into the locked it s estimated he was there for at least three days. When firefighters found the man he was alive and conscious, and then taken to south shore hospital. S life. Then i think that s a great thing. He is a constant in people s life. So he noticed something was right, alerted the correct authorities. That s wonderful. Sera a neighborhood watchman, who went above and beyond. I look out for these people. I think every mailman does. Sera in braintree, sera congi, Wcvb Newscenter 5. Pam a massive, deadly pile up on a pennsylvania highway. Reid the search for what might have triggered this tangled mess. Pam five investigates, the release of a new bedford man after spending 30 years in prison. The new questions about 20 years worth of Massachusetts State Police evidence. Reid plus, is it the best or maybe worst weekend for a polar plunge . We ll let you decide when homecoming . It s awesome. 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Ask a citizen at 18669990270 reid antony said sources saying Supreme CourtJustice Scalia died. He was appointed by president Ronald Reagan in 1986. Again, Antonin Scalia has died. We will update we will update you as soon as any information becomes available. Pam three people are dead tonight after a multicar pileup in pennsylvania. The midmorning crash involved more than 50 cars on interstate 78. Tractortrailers, box trucks, other could be seen across three lanes and into the median. Police are investigating whether drifting snow may have played a ro in the accident. Reid we are not the only ones this weekend. The dangerous temperatures abc s Indra Peterson has more on the conditions in buffalo, new york right now. Snow. Hard to tell but it is only 9 frozen. We have this mild start to the winter, but that was a quick change, especially as this cold today. A wind chill. The arctic mass continuing to push further in. As we go through the evening hours, places like boston and new york city, this morning saw temperatures into the 20 s. Your eyes start to water. Your face starts to burn out here. The elements will start to feel the threat of frostbite. And you could lose your cognitive abilities. That is how you know the threat of hypothermia could be settling in. All of this , there is one piece of good news i have, things will quickly rebound. Intricate us in Indra Peterson, buffalow new york. Pam these are some brave souls. A polar plunge for charity this this event at lake cochituate, put on by the natick amvet, olympics. About 70 people jumped in the water. Several hundred more cheered them on, while bundled up. Reid if you are looking for an a party that hopefully included a bonfire. It is for a good cause. Mike it is going to be pretty cold. This has the wind added to it. By the way, if you are up early this morning there were some places that had some snow. Check out this satellite loop. Nantucket picked up a half inch of snow. Here s the big story, low pressure offshore, High Pressure in the great lakes and just funneling that cold air right down over the top of us. It doesn t look that bad then you step outside. In boston it feels like it is seven degrees below zero. Record low for tonight is three below. I think we re going to be let me show you the temperatures right now. Wurster is at three degrees and over the next hours he next few hours it is going to keep dropping. The wind chill index is running at 35 degrees over 35 degrees below zero overnight tonight. You are going to drop below zero later on tonight as well. Six below by 2 00 and even in the morning. The warmest spots, into the teens. Pretty chilly stuff we are talking about out there. Since 2000 we have only dropped below zero nine times. Last winter was cold. This is unusual because we have been so warm. Tonight, five below. The record is three below. Coldest in nearly a decade. A couple of records , but everybody is going to set records as we head into the overnight hours. Lows anywhere between two and 12 degrees below zero. Tomorrow it is sunny and cold. Winds are going to be strong in the morning. Those are high temperatures. But at least the wind will be diminishing. Northwesterly wind in boston. Gusts Even Stronger than that. Remembered gusts are probably going to be another 10 Miles Per Hour on top of that. By the time we get to the Late Afternoon they are down in the teens. And then we are going to start warming things up. We may starve than of cold air in place and then eventually turn over to rain, as this drags warm air into here. Tomorrow, just flat out cold and windy. For monday, some night snow moving into the forecast. First of the clouds start rolling in. As you talk about an evening commute there may be some snow. That warm air is searching back up here. Rain monday night into tuesday morning. Temperature. Then we cool back down. Toward thursday and friday. Bout of mix. It is up and down, but the real down his tonight into tomorrow morning. That is going to be the coldest pam thanks area thanks. Released from prison after 30 years, one massachusetts man s new freedom could lead to more overturned convictions. Reid five investigates the forensic test many agencies are now admitting was flawed. That s next on newscenter 5 at 5. Pam breaking news tonight, United StatesSupreme Court justice Antonin Scalia has died. We stop arthritis pain, so you dont have to stop. Because you believe in go. Onward. Todays the day. Carpe diem. Tylenol 8hr arthritis pain has two layers of pain relief. The first is fast. The second lasts all day. We g ive you your day back. What you do with it is up to you. As a Small Business owner, you know things have a way of moving fast. But if your network cant keep up, it can really slow you down. So switch to the 100 Fiber Optic Network of verizon fios. Youll get 99. 9 network reliability, and the fastest wifi available. For a network that moves as fast as your business. Right now, upgrade to fios 50 meg or higher internet and phone and get 250 back. Call or go online today. Small business is better pam the flawed evidence that sent this man to prison for 30 years, is now inspiring an effort. To look at more cases. Five investigates helped expose questions about George Perrot s conviction. Reid now, as Karen Anderson shows us, there s a new effort under way to find out if bad science put anyone else behind bars. What goes through your mind . All these cameras. Karen three decades behind bars comes to an end for George Perrot, walking out of a new Bedford Court house after a judge threw out his conviction and released him on bail. Are there more George Perrot s locked up in massachusetts because of bad science about hair analysis . Absolutely. Karen Lisa Kavanaugh helped perrot win his release after the fbi in 2014 admitted mistakes were made from their use of microscopic hair analysis. But the fbi s wasn t alone. The Massachusetts State Police performed the same kind of analysis and are now reviewing similar errors were made. The findings of the fbi s National Audit made clear that errors were rampant. And analysts were again and again, exceeding the limits of science and overstating the certainty. And i think there is no reason to think state analysts were any better given what we know about how they are trained. Karen kavanaugh says ropes and gray whose attorney s helped free perrot has pledged to work with defendants on the statewide check of hair analysis cases. So far, only the Middlesex CountyDistrict Attorney has agreed to review any problem cases with defense lawyers. What s your message to the other das out there . My hope is that other District Attorneys will see this as an important opportunity to find and possibly correct unjust convictions. The state s the das still have to figure ll deal with any cases flagged by the review. The state police has so far with months more of work to do. Karen anderson, five investigates. Reid coming up on newscenter five at 5 30, pope francis greeting crowds in mexico. Pam he s at the start of an already historic trip, and is using it to deliver a strong message to world leaders. Reid plus, nutritional information can leave many of us scratching our heads. Expert advice to help you pick out what s the most Important Information on the box. Life as spokesbox is great. People love me for saving them over half a grand when they switch to progressive. So im dabbling in new ventures. It was boardgame night with the dalai lama. Great guy. Terrible player. Go paperless dont stress, girl i got the discounts that you need its a balancing act, more box. 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