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

Deadly winter weather keeps icy grip across much of the US

How long does it take to get frostbite?

Frigid cold Sunday brings frostbite threat as arctic air settles in for the long haul

Arctic blast brings deadly cold to 231 million in the US - World Socialist Web Site

How long does it take to get frostbite?

US is set to shiver through record-breaking freezing temperatures as far south as FLORIDA, sparking fears Texas power grid could fail, with Northern Plains facing -50F wind chills for days on end

Winter storm, forecast updates: 'Brutally cold' temps, snow grip US

Dangerously cold temperatures, wind chills expected in KC

Blizzard warning: Life-threatening snow storm will slam Iowa as other states face dangerous cold or flood warnings

Arctic freeze continues to blast huge swaths of the US, including Minnesota, with sub-zero temperatures – Twin Cities

Bomb cyclone blizzard to unleash Arctic blast, freezing temperatures - The Washington Post

Arctic cold envelops U.S., disrupts Iowa campaigning