Polar vortex brings harmful chilly

Dangerous temperatures are sweeping the nation, with 100 million folks from the Plains to the Northeast feeling the nippiness. Even these within the South will see some results. Several cities have already declared climate emergencies, and a few areas are bracing for heavy wind and snow. Here’s what to know.

"CBS Saturday Morning" co-hosts Michelle Miller and Dana Jacobson ship two hours of unique reporting and breaking information, in addition to profiles of main figures in tradition and the humanities. Watch "CBS Saturday Morning" at 7 a.m. ET on CBS and eight a.m. ET on the CBS News app.

Subscribe to "CBS Mornings" on YouTube: https://youtube.com/CBSMornings
Watch CBS News 24/7: https://cbsnews.com/live/
Download the CBS News app: https://cbsnews.com/mobile/
Follow "CBS Mornings" on Instagram: https://instagram.com/cbsmornings/
Like "CBS Mornings" on Facebook: https://facebook.com/CBSMornings
Follow "CBS Mornings" on Twitter: https://twitter.com/CBSMornings
Subscribe to our e-newsletter: https://cbsnews.com/newsletters/
Try Paramount+ free: https://paramountplus.com/?ftag=PPM-05-10aeh8h

For video licensing inquiries, contact: [email protected]