. >> political historian tom whelan thanks for joining us. new hampshire primary coverage just starting. coming up the power of the undecided voter, how they could pick make or break the candidates right here in new hampshire. [mother] yeah but this it's got a lot of what we were kinda talking about. bright,new. we should definitely go see it. [agent] hi...welcome i'm maggie.melanie.maggie. so nice to meet you. [mother] this is brendan. [agent] hey brendan. living room. [dad] hey. [mother] hey sweetie. [dad] sorry about that. what about this? this looks good. [brendan] no. [mother] isn't it so great?i think we found it. [announcer]redfin pays its agents based on your happiness... >> reporter: all right. let's take a closer look who is numbers. as of january 1st there were 873,932 registered voters in new hampshire, 229,000 registered democrats, 383,834 undeclared will that's why candidates on hard in new hampshire. new hampshire's undecided voters can make or break campaigns. we found many people still undecided. those decisions are still bei

we brick back boston professor tom whelan. the get out the vote is going to be a special factor especially with the snow. lots of people knocking on doors for hillary clinton. >> especially in southern new hampshire because we have so many massachussetts transplants here will that's a very wise strategy on her part. the other thick she might have going in her favor is so many independent voters in new hampshire and they've been well, they might just take a republican ballot because what's the point, and that could narrow the margin. >> that could definitely throw a wrench into things. you know, we have seen marty walsh here. we've seen morris healy here. we have seen local officials from massachussetts come up here. is this a test of their political machine? >> right, you want to get the dust off with another reelection bid coming up. for marty walsh this is probably the best he could do, because i don't they can it's going to be a sure thick when 'rubs for mayor again. >> thousands on the ground with the get out the vote. she

tom lots of love. >> have a great day, everyone. >> hope your president's day is off to a good start nasty weather. here is eileen whelanso many are off of work and school, stay home. we have a widespread of snow across the area. heaviest snow remains across southern maryland. brighter returns over fairfax county. snow showers continue, winter weather advisory in effect for d.c. over southern maryland and to the west. mid afternoon, freezing rain overspreads the region. angela foster, what are you watching on the roads? >> snowy, icy conditions, eileen. a live look in bethesda. more than one accident along i-270 spur between beltway and democracy boulevard. please be alert, several look in southern maryland, couple of collisions, southbound 301, cedarville road and interstate 95 in virginia, several accidents headed towards quan quantico. >> they are cancelling the annual celebration. grounds at mount vernon state open 9:00-4:00, admission is free because it is president's day. >> more news, weather and traffic updates