Winter Storm Warning Issued for Multiple Chicago-Area Counties Beginning Tuesday

A winter storm warning has been issued for multiple Chicago-area counties beginning Tuesday evening as two separate snow systems threaten to dump several inches of snow over a two-day period.

The National Weather Service issued a winter storm warning across northwest Indiana and for Kankakee County in Illinois, starting Tuesday evening and continuing through Thursday evening.

The takes effect in Kankakee County in Illinois, as well as Lake, Porter, Newton and Jasper counties in northwest Indiana at 10 p.m. Tuesday and continues until 6 p.m. Thursday.

A separate warning takes effect at midnight for LaPorte County and goes until 6 p.m. Thursday.

A winter storm watch has also been issued for a number of Chicago-area counties beginning Tuesday evening.

The watch includes Grundy, LaSalle, Will and central and southern Cook counties in Illinois.

The forecast remains fluid and snowfall projections are still uncertain as even a minor shift in the storm's track could make for dramatic changes

 some locations could see an excess of 10 inches of snow while other parts of northern Illinois see little-to-no accumulation.