Not surprisingly, the standards are different for K-12 and college students. MSU has closed its campus just seven times in its history. Jan. 27, 1967: It took MSU 110 years to call its first snow day following 26 inches of snowfall. The university has only canceled class a handful of times since.

How cold is too cold to wait outside for the bus? Superintendents weigh weather and other factors in deciding whether to cancel school.

The wind won’t be extremely strong but strong enough to send wind chills much lower than the actual temperature. Here is the Sunday evening to Wednesday afternoon. Now here is the wind chill forecast for some key time periods.