2025-2026 Winter Events

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Winter 2025-2026 Events in Northern Illinois and Northwest Indiana

Meteorological Winter (December - February) 2025-2026 Climate Summary

November 9-10, 2025: Intense early season lake effect snow event with localized snow accumulations of up to a foot

November 29-30, 2025: Post-Thanksgiving winter storm delivers up to a foot of snow to the region

December 1, 2025: 1-3" snow accumulations across the area, highest south of I-80

December 6-7, 2025: Clipper system drops 3 to 7 inches of snow, highest amounts north of I-80

December 13-14, 2025: Another clipper system delivers a swath of 3 to 7 inches of snow south of the Kankakee River on the 13th, followed by wind chills of 20 to locally 30 below zero

January 14, 2026: Morning snow squall and strong winds

January 19, 2026: Morning wind chills between -20°F and -30°F

January 23-24, 2026: Bitterly cold temperatures with wind chills as cold as -40°F

January 24-25, 2026: Massive winter storm brings multiple inches of snow with notable lake enhancement

January 30-31, 2026: Lake effect snow event with significant accumulations in Porter County, IN

March 15-16, 2026: Strong, multifaceted storm system produces several inches of snow accumulation and near-blizzard conditions in interior northern Illinois

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