Extreme Cold/Wind Chill — Cook, Illinois

2014-01-06 to 2014-01-07 · Cook, Illinois

Wider weather episode

An extremely cold arctic airmass settled over northern Illinois with minimum observed wind chills falling into the -40F to -50F range area-wide. Some of the coldest wind chill reports include Steward at -50F; Aurora at -47F; Rochelle at -47F; DuPage at -46F; Romeoville at -46F; Rockford at -46F; and O'Hare airport at -42F. Four deaths were reported in Cook County, with hypothermia due to cold exposure being a contributing factor in each.

Source: NOAA Storm Events Database, event_id 495489. Narrative written by the NWS forecast office that issued the report.