As wind chills hit dangerous levels, the decision to close schools becomes critical. Kevin Wagner, a lead meteorologist with the National Weather Service, explains how those decisions are made.

Dangerous, bitter cold has settled into much of Colorado. It’s not in a big hurry to exit, but a warmer wind will help things ...

An extreme cold warning issued by the National Weather Service in Bismarck was in effect until 2 p.m. on Monday for all areas ...