- Wind chills of minus-45 to minus-60 expected in Chicago, much of upper Midwest Fox News
- Polar Vortex to Grip Midwest With Most Extreme Cold in a Generation The New York Times
- Polar vortex, heavy snow hits Midwest, heads toward East Coast CBS News
- Get used to polar vortex outbreaks, scientists say Chicago Sun-Times
- Polar Vortex To Blast The Lake Area With Near-Record Cold This Week Lake Expo
- View full coverage on Google News
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