- Polar Vortex Live Updates: Extreme Cold Weather Grips MidwestThe New York Times
- 75 below zero? Polar vortex yields deadly cold as thousands endure power cuts, travel issues mount in MidwestAccuWeather.com
- How cold is it in the polar vortex that’s gripping the Midwest? Ask this toiletMarketWatch
- LIVE TEMPERATURES: Chicago Weather: Polar vortex brings record cold, Wind Chill Warning in effectWLS-TV
- Deep Freeze Envelops Midwest, Even Stops The MailHuffPost
- View full coverage on Google News