Winter Weather — Central Cook County, Illinois

2025-12-01 · Central Cook County, Illinois

Wider weather episode

A period of light snow spread across all of northern Illinois during the afternoon of December 1st and continued through the late evening, affecting the afternoon commute. Snowfall amounts were generally 1 to 3 inches for areas north of Interstate 80 and 2 to 4 inches for areas along and south of Interstate 80.

Source: NOAA Storm Events Database, event_id 1301708. Narrative written by the NWS forecast office that issued the report.