- Weather update: Friday classes canceled news.wisc.edu
- Chicago-area schools announce closures, shifts to E-learning due to extreme cold fox32chicago.com
- Hundreds of Minnesota, Wisconsin schools closed on Friday due to cold CBS News
- Chicago weather today: Wind chill temperatures become frigid; school closings in place amid Cook County, IL Extreme Cold Warning abc7chicago.com
- Businesses, services close Friday for extreme cold channel3000.com
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Weather update: Friday classes canceled – news.wisc.edu
