mark barger has more on what this means for the nfl. >> chris borland's sudden retirement surprised but didn't shock harry carson. >> i know too many former players who are dealing with the residual effects of concussions. >> trying to avoid a similar fate, the 24-year-old borland told espn he was retiring after just one season. >> i just don't want to get in a situation where i'm goeshging my health for money. >> he said two condition cushions as a child and an incident last summer during training camp were factors in his decision as well as research some of which found as many as 3 in 10 nfl retirees suffer from all of a suddenzheimer's or dementia. the 49ers wish him happiness in his retirement saying while unexpected we certainly respect chris' decision. the nfl echoed that sentiment while also pointing out a 25% decline in concussions last season. the league indicated, "there is more work to do and player safety will continue to be our top priority." >> a pretty embarrassing statement. they sound like the tobacco industry talking about how they just created a safer cigarette. >> re

mark barger, nbc news. >>> the washington area is a wintry mess this afternoon. jim, wendy? >> yeah live right now at 5:00 a final blast from what could be the worst winter storm of the season. the final heavy bands of snow moving through our area right now and it is rough sledding folks on those roads. >> crashes and spinouts reported across the dmv today pap money truck here meant for banks was no match for a snowbank along the fairfax county parkway. even the tow truck that came to rescue it it wound up stuck too. >> and oh baby, a local woman nearly gives birth at connecticut avenue and jones bridge road in chevy chase this afternoon. but the ambulance was able to make it through the storm, get the woman to the hospital before the baby emerged. >> you know it is a day fit for sledding and snowballs, but we can't say this winter weather is behind us or will even end tonight. once the snow moves out we are talking near record cold again, folks. >> and a day off for thousands of kids and federal workers today and many of you may most likely be staying home tomorrow. several

nbc10 national correspondent mark barger gives us a look at this new gadget. >> the apple watch is the most advanced timepiece ever created. >> reporter: apple ceo tim cook did the hard sell today for a watch that goes beyond telling time. >> with the built-in speaker and microphone, you can receive calls on your watch. i have been wanting to do this since i was 5 years old. >> reporter: the company first introduced the watch last fall but spent today demonstrating more features. >> and it brings up my credit card. then i put my watch near the merchant terminal i'm done i've paid. super simple. >> reporter: one they hope will bring apple's product more acceptable than rival products. >> we aren't convinced on how this can change our life any differently than having a phone. it's just that cool factor. >> reporter: the base model apple watch sport will have a base price of $399. a standard version will cost $200 more and a version 18 karat gold version called edition will start at $10,000. >> over 400 million iphone owners out there. if you assume 10%, 20%, 30% of them buy one of these

as mark barger reports, that means apple will have to turn up the heat. >> reporter: the ipad was not the first tablet but it created a market for them. the apple watch is late to the wearable party but aims to be the life of the party eventually. >> if you look at the adoption curve of the ipod the iphone these have not been instant in large numbers. >> he says apple's biggest challenge with the new watch is proving the reason to buy it. >> is this a useful enough device for people who already have an iphone. >> samsung is among the companies with a head start in the watch realm but no one registered a breakout success yet. starting price of $349 could be a test even for apple. >> interest level is pretty low. it's about 7% of iphone owners in the u.s. said they would buy a watch. compare that to ipod 30%. >> reporter: bases those numbers on a survey of about 10,000 people over the last year. >> apple can go out and show apps. for example, a wikipedia app that will tell you points of interest around you automatically. if there's things like that that can get consumers excited, that's

mark barger reports. >> the cast of undatable is pretty tight. almost inseparable. >> we see each other every night. >> if we didn't have the show, we would hang out at a coffee shop. >> this season the romantic misfits get a little sister of sorts, 22-year-old bridget mendler. >> was it daunding to be joining a cast that has a big improv comedy background? >> yes and i aspire to participate in that. i like bantering. who knows if i'm good at it? i don't know if i am. probably not. >> she's great, man. she's really good. >> she stars on the disney comedy good luck charlie, but now her role is more adult. >> your name is easier to remember because when we first met based off your clothing and the way you rubbed my shoulders -- leslie. >> she says things you're shocked she was thinking at all because it feels so random. >> mendler's pop star status also came in handy. for the music video that helped the cast prepare for season two. >> i was actually nervous because i was like, how did i do this? the second we started, it felt right. >> he's hoping

mark barger nbc news. >> i'll set the dvr. we'll be right back. yoplait greek 100. can't make it without a protein-packed, thick and creamy, power-me-up-with-something filling taste-bud-loving, satisfaction by the spoonful, deliciously fruity dinner feels a million years away grab and go, let's take on the world with 100 calories, snack yoplait greek 100. there are hundreds of reasons to snack on it. >>> well fans prove an american rock band formed in 1965 in palo alto still is as popular as ever. >> hundreds and thousands of tickets to the grateful dead's reunion concert this summer sold out in minutes on saturday. the group's farewell concert will take place at chicago's soldier field with three shows from july 3rd to july 5th. tickets sold from $60 to $200 per day, as expected. now much more online some as high as $15,000. >> i just saw that one. guess we will not be going. hey, if you're headed out the door right now in the fremont area get your umbrella. it's raining. >> san jose downtown as well. >> all right. we'll hunker down for a couple minutes, wait for i

mark barger nbc news. >>> this may come as a surprise to some but this winter was the warmest on recordording to the national oceanic atmospheric administration. temperatures from december to february were the warmest since record-keeping began in the 1800s. the east coast may have felt the cold, but the rest of the world was warmer than normal. okay, so that's the statistic for the entire world. of course february was the coldest one we have seen in 36 years. >> it was cold here as we get ready to welcome in spring tomorrow. we'll have to deal with what will hopefully be the last winter storm for a while for us brittney? >> there is a chance as we head into next week but we will focus what's going on tomorrow and we have a first alert issued for friday and it will last all day friday and your evening commute, your morning commute all affected by either slushy snow or rainfall. so you want to be very careful and our temperatures drop close to freezing and even below freezing and we're dealing with the possibility even as the snow starts to taper of freezing rain and icy conditions and t

mark barger nbc news. >> know where they're coming from here.ands of spam e-mails that litter your inboxes every day. that's a bummer. >> yes, it is. let's talk to christina loren. i never ignore the weather alerts, though. >> yeah you have little ones. we like to get them outdoors every once in a while. much cooler. they won't be complaining as much today. look at all these people out here enjoying the sights on the golden gate bridge. finally starting to see that bridge clear up. we still have fog out there. but before the day is done in fact, over the course of the next couple hours, these 50s will jump into the 60s and 70s. and that's where they will stay and we'll see full sunshine for today. 59 degrees in santa rosa. same for san francisco. the reason it's so much cooler here than what we're seeing in the inland valley spots is that low cloud cover. now, let me tell you the weather story of the day because yesterday, we had high pressure firmly in control. for today, onshore flow has returned, as the big ridge of high pressure has pushed o