- Relief coming for blast-chilled Midwest, but not until after another record-low dayNBCNews.com
- Polar vortex: -46C temperatures turn Chicago River to iceGuardian News
- A Merciless Cold Lingers in the MidwestThe New York Times
- Polar Vortex Devastates Midwest With Ice-Cold Winds: PHOTOSChicago, IL Patch
- How dangerous (and historic) is the Polar Vortex hitting the Midwest? | TheHillThe Hill
- View full coverage on Google News