In extreme cold weather like the recent polar vortex, frostbite can set in within minutes and hypothermia may be life-threatening; here's what you need to know to stay safe.
What temperatures are too cold for your pets? Experts weigh in.
New England prepares for 'wicked' deep freeze as ice storm coats South
Preventing frostbite and hypothermia
Cold Weather Safety Tips
Brutally cold weather, storms lead to at least 61 deaths in US
UW emergency physicians offer tips to stay safe as Wisconsin's temperatures drop – Emergency Medicine – UW–Madison
Stay Safe in Winter Weather, Blogs
Social Media: Winter & Cold
How to stay safe and healthy during extreme cold this winter sea - Erie News Now
Winter Weather: Vital Safety Information for Extreme Cold
Winter Weather Alert - Cook County Department of Public Health