"Polar Vortex" Could Bring Record Breaking Cold Air to Much of US; Minnesota Shuts Down Schools Statewide for Monday for First Time in 17 Years

I think I'm getting a little frosty myself!

Winter is normally cold, but tundra-like temperatures are soon poised to deliver a rare and potentially dangerous sledgehammer blow to much of the Midwest, driving temperatures so far below zero that records will shatter.