- Polar vortex to bring frigid temperatures, snow and ice to millions of Americans The Washington Post
- Polar vortex brings frostbite-inducing temps for millions through this week Yahoo
- US weather: Ten dead as polar vortex brings ‘life-threatening cold’ to US Sky News
- Polar vortex returns to US as life-threatening cold invades millions as far south as Texas Fox Weather
- Single-digit temperatures with sunshine expected on Sunday, bitterly cold conditions ahead MPR News