Chicago May See First Snowfall of the Season
Chicago May See First Snowfall of the Season
US · Published Nov 9, 2026
• The Chicago area is overdue for its first trace of snowfall, which typically occurs around Halloween, according to the National Weather Service (NWS). This year, lake-effect snow may develop later this week due to cold air moving over Lake Michigan. Meteorologist Iisha Scott from NBC 5 forecasts that precipitation, initially expected as rain, could transition to snow as temperatures drop Thursday night into Friday morning. The earliest recorded trace of snow in Chicago occurred on September 25, 1942, while the latest was on December 5,
• If snow is observed at O’Hare International Airport, it will be the first since March 18, 2026.

Impact & Risks

The potential snowfall is not expected to accumulate due to the warm ground temperatures from an above-average fall. However, the mix of rain and snow could create slippery conditions, especially during the transition from rain to snow. Areas along the Illinois-Indiana state line and parts of northwest Indiana may experience lake-effect precipitation, which could impact travel and outdoor activities. Residents should remain cautious, particularly during the evening and early morning hours when temperatures are lower.

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