A huge swath of the U.S. was under a wind chill advisory, from parts of Montana all the way into central Florida.
How to stay safe in the cold: What to know about frostbite, hypothermia as Arctic blast hits US - ABC News
Brutally cold weather reaches deep into lower United States, causing dozens of deaths – The Denver Post
Brutally cold weather reaching deep into lower United States
Brutally cold weather reaches deep into lower United States, causing dozens of deaths
Brutally Cold Weather Reaching Deep into Lower United States
What is the 'Arctic blast' deep-freezing the US and Canada?, Explainer News
Brutally cold weather reaching deep into lower United States, WJHL
Dwindling snow cover south, deep snow up north, snow cover
Brutally cold temperatures impacting much of the U.S.
CT activates cold weather protocol; 'arctic air mass' to grip state
At Least 72 Deaths in U.S. Are Connected to Severe Winter Weather - The New York Times
Brutally cold weather reaches deep into lower United States, causing dozens of deaths – The Denver Post
Brutally cold weather reaches deep into lower United States, causing dozens of deaths
Brutally cold weather reaching deep into lower United States - Los Angeles Times