Arctic air, subfreezing temperatures grip millions across Northern Tier

Arctic air, subfreezing temperatures grip millions across Northern Tier

Brutal cold has taken hold across the Northern Plains, Upper Midwest and parts of the Ohio Valley and interior Northeast. Cold Weather Advisories are in effect through Tuesday. Life-threatening wind chill temperatures between -20 and -40 degrees are expected across much of the Upper Midwest through the week. The artic air will reach the Northeast Coast by Tuesday.