Winter storm live updates: Extreme cold weather descends across nation - USA TODAY
- Winter storm live updates: Extreme cold weather descends across nation USA TODAY
- Heavy snow and ice cause ground stop at O'Hare Airport Friday morning ABC 7 Chicago
- Powerful Winter Storm to Batter Much of the U.S. This Weekend The Wall Street Journal
- Chicago weather: Near-blizzard snow. flights cancelled, power out for hundreds Chicago Tribune
- Major travel disruptions: Highest number of US flight cancellations in six months CNN