Milwaukee is in for a frigid and snowy December, thanks to several polar vortex systems that will sweep through the United States in the coming weeks.
A polar air mass from Canada is hovering over Wisconsin on Thursday, Dec. 4, bringing single-digit temperatures and negative wind chills, according to Milwaukee/Sullivan National Weather Service meteorologist Mark Gehring.
Temperatures will tick back up by Friday, Dec. 5, but dip again over the weekend as the next Canadian cold front hits, Gehring said. The weather will ping pong like this throughout December, he said: a slight warming in temperatures, followed by another wave of polar air…