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5 inches of lake-effect snow possible in NW Indiana as Chicago area temps fall: weather service

Areas around the shoreline from northwest Indiana as far north as Waukegan could also see some accumulation, including downtown Chicago, the weather service said.

Autumn colored leaves in Geneva were covered with an early October snow Wednesday morning.
The Chicago are could seem some lake-effect snow Nov. 29, 2020.
Jeff Knox/Daily Herald

Parts of the Chicago area could see several inches of snow as a wintry weather system develops and temperatures plummet Sunday night.

A system of lake effect snow showers will develop tonight and persist through Monday night, bringing with them as much as 5 inches of snow over northwest Indiana, according to the National Weather Service.

Areas around the shoreline from northwest Indiana as far north as Waukegan could also see some accumulation, including downtown Chicago, the weather service said.

The snow showers are expected to taper off in northwest Indiana by Tuesday morning, the weather service said.

Along with the snow, temperatures are expected to dip into the mid to low 30s Sunday night into early Monday morning, the weather services said. Tuesday night temps could get into the low 20s.

The system is also expected to produce strong winds over the lake, and a lakeshore flood warning is in effect along the Cook County shoreline through Monday morning.