A wind chill advisory will be in effect from midnight Tuesday until 11 a.m. Wednesday in McHenry County and the surrounding area, according to the National Weather Service.
Wind chills throughout the area could cause frostbite in as few as 30 minutes to exposed skin, according to the advisory.
Wind chills are expected to range from 20 degrees to 30 degrees below zero, according to the advisory.
“Frostbite and hypothermia can occur if precautions are not taken,” the advisory stated. “Make sure you wear a hat and gloves.”
High temperatures for Tuesday were expected to be between 3 degrees and 7 degrees, according to the service.
Similar conditions are expected through Wednesday, with high temperatures rising to the teens on Thursday and Friday.
Highs from Saturday through Monday are expected to be between
8 degrees and 12 degrees, according to the National Weather Service.