Arctic air grips the central and eastern U.S., bringing record-breaking cold, dangerous wind chills, and historic snowfall. Follow Newsweek's live blog.

After a brief winter weather event fueled by Arctic air from Siberia, which brought snowfall to parts of Texas — including Houston — the state now prepares for up to five consecutive days of rain starting Saturday.

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

Bitter Arctic air plunged more than half the United States into a deep freeze Tuesday, including New Orleans, where the heaviest snow in decades brought dangerous conditions to the famously festive Gulf Coast city.

I’ve been convinced that we are about to experience a very serious and dangerous weather episode,” Houston Mayor John Whitmire said Sunday.

Heavy snow is expected to blanket large portions of the Eastern U.S. while much of the country will endure dangerously cold temperatures in the coming days.

An arctic air mass will impact all of southeast Michigan through Wednesday as the coldest temperatures of the winter so far arrive this week. A cold weather advisory is in effect through Wednesday for all of the region.

A blast of Arctic air is bringing cold weather to New England over the next several days. Wind chill values in the mornings are going to be 0 to 15 below, with the coldest areas across the hillier terrain of Worcester County and the Berkshires.

Most schools in New England remained open despite arctic blast. How cold does it have to be to cancel school, and how to keep kids safe in icy temps

Hundreds of flights at the Denver International Airport were delayed and canceled, and there were several traffic jams and road closures during whiteout conditions. An extreme cold warning was issued for places that reached or were likely to reach minus 25 to minus 35 degrees.

After millennia as a carbon deep-freezer for the planet, regional hotspots and increasingly frequent wildfires in the northern latitudes have nearly canceled out that critical storage capacity in the permafrost region,

The deep upper-level trough with the arctic air mass is moving out and relatively milder air is moving in. This comes a head of a clipper system, which will bring light scattered snow. Then, lake effect snow showers along the northwest wind belts late in the day through tomorrow.