Extreme Wind Chills Expected in Chicago, Midwest as ‘Polar Vortex’ Moves In

A so-called “polar vortex” is slated to plunge into the United States, potentially impacting the Midwest. Some weather forecasters are saying it could -45 to -60 degrees Fahrenheit after wind is factored in. National Weather Service

A so-called “polar vortex” is slated to descend on the United States, potentially impacting the Midwest. Some weather forecasters are saying it could minus 45 to minus 60 degrees Fahrenheit after wind is factored in.

The National Weather Service Chicago office said there will be a “brutal cold snap coming this week” starting on Wednesday.