Dangerously cold wind chills have returned to the Region. Forecasters say arctic air in the area is bringing another blast of sub-zero temperatures, with wind chills to about 20 to 30 below. Officials say frostbite and hypothermia can occur in a matter of minutes. For the latest advisories click here: http://www.crh.noaa.gov/lot/ or here: http://www.crh.noaa.gov/iwx/ . There's additional lake effect snow showers in our forecast,too, and look out for blowing and drifting snow.