- Weather update: Friday classes canceled news.wisc.edu
- Chicago-area schools announce closures, shifts to E-learning due to extreme cold fox32chicago.com
- Chicago weather forecast: Chicago Public Schools cancels classes ahead of Extreme Cold Warning Friday for Cook County, IL abc7chicago.com
- How cold does it have to be to cancel school? How to check as brutal blast nears nbcchicago.com
- MCA, Shedd, Adler and Field Museum will close on Friday due to the cold chicagotribune.com
Weather update: Friday classes canceled – news.wisc.edu
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