Media Summary: Schools in Minnesota are closing, Illinois' governor is warning residents about hypothermia and hundreds of flights have been ... An Arctic air mass is moving across North America, causing extreme By Thursday morning, more than 75 percent of the mainland U.S. was at the freezing point or lower. In
Record Breaking Cold Impacting Parts - Detailed Analysis & Overview
Schools in Minnesota are closing, Illinois' governor is warning residents about hypothermia and hundreds of flights have been ... An Arctic air mass is moving across North America, causing extreme By Thursday morning, more than 75 percent of the mainland U.S. was at the freezing point or lower. In An arctic blast has blanketed much of the nation with Temperature dropped 50 degrees Monday in some cities across the South. Also, the lowest temperatures on Record breaking cold impacting parts of US CNN Video
