Cold weather advisory issued for Carbon and Monroe counties until Saturday morning – subzero wind chills

On Friday at 12:28 a.m. a cold weather advisory was issued by the National Weather Service valid from 11 a.m. until Saturday 10 a.m. for Carbon and Monroe counties. "The dangerously cold wind chills as low as 20 below zero could cause frostbite on exposed skin in as little as 30 minutes. Understanding cold weather alertsCold weather advisory: Be Aware. A cold weather advisory is issued when seasonably cold air temperatures or wind chill values, but not extremely cold values, are expected or occurring. An extreme cold warning is issued when dangerously cold air temperatures or wind chill values are expected or occurring.