Polar vortex brings coldest air in a generation

By Meg Wagner, Brian Ries, Amanda Wills and Veronica Rocha, CNN

Updated 9:53 a.m. ET, June 14, 2019
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9:44 a.m. ET, January 29, 2019

75% of the country will dip below freezing this week

The National Weather Service projects that 75% of the US population will see below-freezing temperatures at some point before Sunday.

Only parts of Florida, Texas, the Pacific coast and the Southwest appear to avoid dipping below 32 degrees:

And about 30% of Americans will bee below-zero temperatures this week: