Storm could bring ice, snow to Friday evening commute; Winter Weather Advisory issued

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CHICAGO — The National Weather Service issued a Winter Weather Advisory for northern Illinois and northwestern Indiana counties as a storm entering the area Friday evening could bring snow just in time for the evening commute.

Snow is forecast to arrive from west to east late Friday afternoon and evening, becoming moderate to briefly heavy in intensity at times. The storm could bring as much as one half to one inch of snow per hour, and is likely to impact the latter half of the evening commute.

A Winter Weather Advisory will be in effect starting at 5 p.m. Friday in northern Illinois counties including Lake, Kane, DuPage and Cook, and lasts until 8 a.m. Saturday.

By January standards this is hardly a major storm, but the timing could slow travel considerably. The snow is expected to change over to a mixture of sleet and freezing rain late Friday night before becoming all rain by daybreak Saturday.

Total snow accumulations will wind up in the 2-4” range for most areas but a few totals near the Illinois/Wisconsin border could wind up with 5 or 6”.

Once the storm system departs Saturday afternoon, temperatures will tank as the coldest air of the season arrives. Readings are expected to drop into the single digits by Sunday morning, with wind chills as low as -20 degrees.

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