Cold/Wind Chill in Northern Cook County, Illinois

Cold/Wind Chill February 18, 2025 · Northern Cook County, Illinois

The wider storm

The combination of northwest winds around 10 mph and temperatures 5 below to 10 below zero, produced wind chills that were mainly 20 below to 25 below zero across most of northern Illinois during the early morning of February 18th. A few locations measured wind chills 25 below to 30 below zero.

Source: NOAA Storm Events Database, event 1237166. Narratives are written by the National Weather Service forecast office that issued the report.

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