Temperatures are expected to plunge below zero in the early morning hours Monday and are not expected to return to positive numbers before Wednesday morning, according to the National Weather Service.
Temperatures could get as low as -17 before this latest bout of frigid arctic weather passes with wind chills dipping to as much as -32. A wind chill advisory is in effect from 3 a.m. Monday through 9 a.m. Wednesday.
Schools are closed in Highland Park Monday and possibly Tuesday. A doctor from NorthShore University HealthSystem offers advice to avoid frostbite.
Temperatures are expected to drop to three below zero tonight with a high of minus one Monday before plunging to 17 below Monday night. Wind chills could drop to -24 overnight and keep plummeting to 32 below zero during the day Monday. The high temperature Tuesday is predicted for one below zero with minus eight Tuesday night.