Arctic outbreak on the way: What it means and how to prepare mprnews.orgHow cold does it need to be to close Minnesota schools? kare11.comCold as ICE: Subzero cold bears down on Minnesota protests Star TribuneTRACKING: Near blizzard conditions this evening and dangerous cold starting Thursday night kwwl.comLIVE UPDATES | Minnesota weather: Blizzard warning, school closures in SW MN fox9.com
