Cold/Wind Chill — Grundy, Illinois

2026-01-23 to 2026-01-24 · Grundy, Illinois

Wider weather episode

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_id 1308958. Narrative written by the NWS forecast office that issued the report.