CBS Evening News | After a relatively mild stretch of weather, cold, wintry weather is returning to areas that were hard-hit by a record cold snap less than three weeks ago

After a relatively mild stretch of weather, cold, wintry weather is returning to areas that were hard-hit by a record cold snap less than three weeks ago. Though not record-breaking, temperatures are expected to be up to 20 degrees below average in many areas. Lauren Casey of CBS station WCCO reports Air Date: Jan 19, 2014