Arctic cold sets in with windchill temperatures below zero

01/05/2018 Boston Ma-. Cold weather grips the region. Jonathan Wiggs /Globe Staff Reporter:Topic.

Jonathan Wiggs/Globe Staff

Gusts up to 40 miles per hour could produce windchill temperatures as low as 20 degrees below zero.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2018/01/04/BostonGlobe.com/ReceivedContent/Images/blanding0104118storm6met.jpg MBTA scolds Keolis over ?disappointing? day on commuter rail

The commuter rail system froze up in the aftermath of Thursday?s snowstorm.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2018/01/05/BostonGlobe.com/Metro/Images/massachusetts_weather_saturday-02_720-12789[1]-12841-U84569669213MTE--90x90@BostonGlobe.com.jpg These maps show you everything you need to know about the weekend cold

First came the storm, now it?s time for the deep freeze.

12-20-2106: Boston, MA: Skaters at the Boston Winter celebration on City Hall Plaza in Boston, Mass. Dec. 20, 2016. Photo/ John Blanding, Boston Globe staff story/Megan Irons, Metro ( 22boston winter )

Winter festival company reaches out to vendors

The group that runs the Boston Winter festival on City Hall Plaza asked vendors about ?what improvements could be made? amid a dispute with the Holiday Market portion of the event.

The move is the most sweeping menu change Dunkin? has seen in decades.

Bill Greene/Globe Staff/File 2011

Talking Points

Dunkin? to roll out menu changes Monday

The Canton-based chain is jettisoning varieties of bagels, muffins, and flavor shots ? and its entire afternoon sandwich lineup.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2018/01/05/BostonGlobe.com/Lifestyle/Images/ef18df3a563d4ad0856dd67388576425-ef18df3a563d4ad0856dd67388576425-0.jpg Logan Paul is an idiot. But your kids don?t know that

In all likelihood, while you were digging your car out of a drift Friday morning, your kids were spending their snow day watching one or more of his videos.

NICK CAFARDO | SUNDAY BASEBALL NOTES

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2018/01/06/BostonGlobe.com/Sports/Images/853251592.jpg What the Red Sox value about J.D. Martinez

The Sox need an added dose of excitement to reconnect with their fans, and nothing can do that quicker than adding a true slugger.

Connections | Magazine

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2017/01/03/BostonGlobe.com/Magazine/Images/connect0108mag.jpg A widow in unfamiliar territory

After my husband died, my sister offered an alternative to living alone.

Underwater sculpture park in Grenada.

CHRISTOPHER MUTHER

Eight top travel destinations for 2018

Travel writer Christopher Muther shares his top picks of where to go in 2018.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2018/01/06/BostonGlobe.com/Politics/Images/Rex_US_President_Donald_J_Trump_Wa_9308295C.jpg Trump tweets about his mental state, saying he is a ?very stable genius?

President Trump took to Twitter on Saturday morning apparently responding to a new book that raises questions about his mental capacity.

BEN VOLIN | SUNDAY FOOTBALL NOTES

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2017/12/26/BostonGlobe.com/Sports/Images/davis_coords1A_spts.jpg How the power shifts around the NFL can affect the Patriots

Josh McDaniels, Matt Patricia, and Nick Caserio could all leave the franchise this offseason.

New England Patriots quarterback Tom Brady, right, holds the AFC championship trophy beside team owner Robert Kraft, left, honorary captain Tedy Bruschi, second from left, and head coach Bill Belichick after the AFC championship NFL football game, Sunday, Jan. 22, 2017, in Foxborough, Mass. The New England Patriots defeated the the Pittsburgh Steelers 36-17 to advance to the Super Bowl. (AP Photo/Matt Slocum)

matt slocum/AP file

TARA SULLIVAN

The stunning thing is how long the Patriots have held it together

A schism amid the team?s power structure wouldn?t be unexpected, but their stability has been.

CHAD FINN | SPORTS MEDIA

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2018/01/05/BostonGlobe.com/Sports/Images/senter002.jpg Despite what fans might think, this is not a Patriot hit job by ESPN

Seth Wickersham?s creditable work should not be seen in the light of what anyone else at the network has done.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2017/10/12/BostonGlobe.com/Regional/Images/_22nocalendar04_no.jpg Mount Washington is among the coldest places on the planet ? and beyond

With its windchill at 94 degrees below zero, Mount Washington in New Hampshire feels colder than just about anywhere else on earth -- and even some places beyond.

Barnstable police release details about suspect in fatal hit-and-run

Police described the suspect as a white woman with black hair and in her late 20s or early 30s. They are searching for a light-colored Toyota sedan.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2018/01/05/BostonGlobe.com/Metro/Images/Joe%20Moakley%20Party%209-391508-12750-knNF--90x90@BostonGlobe.com.jpg Robert Q. Crane, state?s longest-serving treasurer, dies at 91

Memorably dapper, Mr. Crane cultivated storied friendships that reached from the State House to City Hall to Boston?s sports arenas.

Mandatory Credit: Photo by MICHAEL REYNOLDS/EPA-EFE/REX/Shutterstock (9308295f) US President Donald J. Trump delivers brief remarks to members of the news media before departing the South Lawn by Marine One, at the White House in Washington, DC, USA, 05 January 2018. Trump travels to Camp David where he will participate in a retreat with Congressional Republican leadership. US President Donald J. Trump, Washington, USA - 05 Jan 2018

MICHAEL REYNOLDS/EPA-EFE/REX/Shutterstock

evan horowitz | quick study

A tale of two Trumps

The president has made his mark ? though not always in the promised direction.

Early morning blaze displaces 4 in Dorchester on Saturday

The two-alarm fire caused an estimated $150,000 worth of damage, according to fire officials.

Dinner with Cupid

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2017/01/04/BostonGlobe.com/Magazine/Images/0108cupid_comp.jpg Blind date: ?Elizabeth Warren and Mexican food are the way to my heart?

Will these two Jamaica Plain residents hit it off?

Opinion & Ideas

Michael A. Cohen

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2018/01/05/BostonGlobe.com/EditorialOpinion/Images/cohen-3898.jpg The greatest mystery in Washington: Why is anyone still loyal to Trump?

If Trump?s staff are so concerned, why are they still working for him?

Newsletters

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2018/01/03/BostonGlobe.com/EditorialOpinion/Images/Arguable-3887.jpg Arguable

Columnist Jeff Jacoby offers his take on everything from politics to pet peeves to the passions of the day. Sign up today.

Special reports

Abdulkader Hayani put his daughter Ameenah to bed.

The Last Refugee: A three-part series

A series of occasional articles on the Syrian refugee families resettling here, and the local people assisting them.

Breaking News Alerts

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Confidential tips

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2017/05/22/BostonGlobe.com/Business/Images/spotlight.jpg Have an investigative news tip?

Do you know about wrongdoing that needs to be exposed? Call the Globe Spotlight team: 617-929-7483 or [email protected].

STAT

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2018/01/05/BostonGlobe.com/National/Images/Jonas.jpg A frenzied CEO?s push to get depression drugs to market

Jeff Jonas, head of Cambridge?s Sage Therapeutics, is a 64-year-old longboard-surfing, ketchup-loving bolt of energy.