Dozens of schools have already announced that class will be canceled on Friday due to extreme weather caused by Arctic air and an incoming winter storm.
Hundreds of thousands of school-aged children will be affected by the closures. The announcements come as extremely cold temperatures descend on the United States from the north, with a winter storm set to hit the Southern Plains beginning on Friday.
Many schools plan to close due to extremely cold temperatures, and the list is likely to grow in the coming hours as the forecast becomes more certain. In many of the affected areas, wind chill temperatures are as low as minus 40 degrees Fahrenheit…