Why Is It So Cold?

Jan 29, 2019

Credit National Weather Service

In The Moment  ... January 29, 2019 Show 504 Hour 1

"Life threatening" weather is in the forecast over the next couple of days. Air temperatures of almost 40-degrees below zero are predicted for northeast South Dakota and wind chill warnings cover a large part of the state.

Meteorologist Todd Heitkamp joins In The Moment to explain how these weather extremes happen.