US weather: Dangerous -42C 'Arctic air' to cause devastating chill -'Frostbite in 10-mins', Weather, News

This Is the Point When Cold Weather Become Dangerous

Arctic blast pummeling much of the US setting up impactful snow and ice in the South

Edmonton weather: Just how cold is it going to get?

Winter storm: Northern U.S. pummeled with snow, ice, bitter cold

Winter storm: Arctic blast continues freezing conditions across U.S.

Wind Chill Safety

Arctic blast bears down as more than 200 million Americans under threat from massive storm

How Does a Person Freeze to Death?

Brutally cold temperatures impacting much of the U.S.

Extreme Cold Weather Spreads East - The New York Times