Cold/Wind Chill in Grundy, Illinois

Cold/Wind Chill January 23, 2026 – January 24, 2026 · Grundy, Illinois

The wider storm

Bitterly cold air moved across northern Illinois on January 23rd and January 24th with wind chills between 25 below and 35 below zero. Wind chills 35 below to 40 below zero occurred across far northern and northwest Illinois.

Source: NOAA Storm Events Database, event 1308958. Narratives are written by the National Weather Service forecast office that issued the report.

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