Cold/Wind Chill in Northern Cook County, Illinois

Cold/Wind Chill January 19, 2026 · Northern Cook County, Illinois

The wider storm

Very cold air moved across northern Illinois during the morning of January 19th and continued into the early afternoon. Wind chills 25 below zero were common across northern Illinois with a few locations across northwest Illinois in the 25 below to 30 below zero range.

Source: NOAA Storm Events Database, event 1308808. Narratives are written by the National Weather Service forecast office that issued the report.

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