At least three inches of snow is expected to accumulate by Sunday morning in the Chicago area, weather officials said. The National Weather Service issued a winter weather advisory from midnight to 9 a.m. Sunday as the area could see between 3 to 6 inches of snow. Canada geese stand at Montrose Harbor on Saturday.Pat Nabong/Sun-Times The highest amounts of snow are expected north of I-80, though areas south of the interstate could also see a wintry mix. Weather officials warned residents to use caution when traveling as the snow could cause hazardous road conditions. Chicago's Department of Streets and Sanitation is sending more than 220 snowplows into the streets overnight and into the morning across the city's major arterial streets, DuSable Lake Shore Drive, and on bridges and underpasses, the department said.Temperatures were expected to drop to the high teens overnight, weather officials said. The snow is expected to clear by late Sunday morning, when the temperature may reach the upper 20s with mostly sunny skies. Temperatures will drop back into the teens by Sunday evening, according to the weather service. Accumulating snow will spread across N. IL late this eve and overnight. A narrow band of heavier snow is expected to develop roughly around the I-88 corridor with snowfall rates >1"/hr for several hours. Expect lower rates outside of this area, especially south of I-80. pic.twitter.com/uUz2OD9FqA— NWS Chicago (@NWSChicago) December 7, 2025 ...read more read less