After a week of getting slammed with snow, the flurries have made way for an extended cold streak in Iowa in the coming days. The National Weather Service in Des Moines predicts consecutive days of “extreme” cold as part of an arctic blast happening through much of the week. Much of the Des Moines metro will experience wind chills as low as -23 degrees on Tuesday and Wednesday morning. With all this in mind, some parents may be wondering, "When is it too cold for classes?" While many school districts don't have a concrete answer to this question, others have more definitive answers. Here's what we know about the policies school districts in the metro have when canceling or delaying classes. Tap the link in our bio for more on this story. #DesMoines #Iowa #DSMUSA #IAed #iawx