Cold/Wind Chill — Southern Cook County, Illinois

2021-02-14 · Southern Cook County, Illinois

Wider weather episode

Very cold air spread across northern Illinois and combined with the winds, produced wind chills 20 below to 30 below zero across all of northern Illinois from the afternoon of February 13th through the afternoon of February 14th.

Source: NOAA Storm Events Database, event_id 943145. Narrative written by the NWS forecast office that issued the report.