- The Midwest is colder than Antarctica thanks to the polar vortex — here’s what it looks likeBusiness Insider
- Polar vortex: -46C temperatures turn Chicago River to iceGuardian News
- ‘Stay inside’: Death toll up to 7 people as Arctic cold blasts Midwest, EastUSA TODAY
- Instant Snow, Frozen Bubbles: Bitter Blast Blows in a Flurry of Quirky ExperimentsNBC Chicago
- How dangerous (and historic) is the Polar Vortex hitting the Midwest? | TheHillThe Hill
- View full coverage on Google News