Generational Arctic Outbreak News Today : Breaking News, Live Updates & Top Stories | Vimarsana

hovering over the northern u.s. plus, do you know what negative 60 degrees feels like? well, tens of millions from the northern plains to new england are under alerts for what could be some of the coldest windchills in a generation. and an nbc news exclusive, new reporting on why more than half a million migrants living in the u.s. are in legal limbo. migrants telling us quote, i couldn't believe what i was seeing. fresh outcry over another police killing. a double amputee missing both his legs trying to run from police. in just minutes, president biden expected to address th...

Emilie, good morning, how cold is it going to get there? >> reporter: hey there, jose, we're watching the temperatures rapidly plunge. when we started reporting around 7:00 a.m., the temperature hovered around 23 degrees. since then hour-by-hour we've been watching the mercury tick down dropping 9 degrees over the last few hours. now we are in the teens, and it's only going to get worse. it will feel like minus 20 in chicago today. 30 below in boston tomorrow, and as you mentioned, that jaw-dropping minus 60 in parts of northern maine where the national weather service is calling it an epic, g...