Snow Falls Across Tri-Cities

Updated, 3:46 p.m. A total of 1 to 3 inches of snow during the day, with another 1 to 2 inches tonight, is possible for St. Charles, according to the National Weather Services. Parts of northern Illinois could see 3 to 6 inches of snow.

Original story The Chicago arm of the National Weather Service is saying snow is possible this afternoon and tonight for St. Charles and much of northern Illinois.

According to Winter Weather Advisory, a period of heavy snowfall is expected late this afternoon and this evening. The storm system is rapidly developing and will rapidly deepen as colder air is drawn into the system.

Rain will turn into snow mix by early afternoon and become outright snow by late this afternoon or early evening. It might be as fast and hard as an inch an hour—and we might get as much as 3 to 6 inches, according to the weather service.

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The weather advisory is in place from 3 to 9 p.m.

Quick accumulation of the predicted snow will make driving this afternoon and evening potentially hazardous, according to the weather service.

There will be high liquid content to the snow, so be careful shoveling and watch out for weighted-down branches and power lines.