A look at how cold it will be in the storm's pathpublished at 10:22
10:22

• In Kansas, where wind chills of -20F (-29C) and below are expected. The average low temperature for January is 21F (-6°C), according to the National Oceanic and Atmospheric Administration (NOAA)
  
  
• In Louisville, Kentucky, temperatures could drop to 2F (-16C) this week, down from an average low of 26F (-3C)
  
  
• In Richmond, Virginia, temperatures are expected to plummet to 13F (-10C) - whereas average lows usually hover around 28F (-2C)
  
  
• In Arkansas, it could get as cold as 21F (-6C) this week, down from a usual low of 33F (1C)
  
  
• And in St Louis, Missouri, it could drop to 3F (-16C) - a lot colder than the usual low of 23F (-5C)