Cold/Wind Chill in Grundy, Illinois

Cold/Wind Chill December 14, 2025 · Grundy, Illinois

The wider storm

Bitterly cold air moved across Illinois during mid December with wind chills 20 below to 25 below zero for many areas with a few locations as low as 30 below zero on the morning of December 14th. Wind chills were 20 below to 25 below zero across central Illinois on the morning of December 15th.

Source: NOAA Storm Events Database, event 1302824. Narratives are written by the National Weather Service forecast office that issued the report.

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