What to Expect When the Weather System Brings Snow to the Chicago Area


Snow is expected throughout the Chicago area this week, but how much and when we see it depends on several factors.

Forecast models show that the system rising from the south is expected to reach parts of the region around midnight, with snow conditions continuing through at least Sunday, beginning Wednesday night, with intermittent snow accumulations. It will rain on purpose.

Here’s what we know about predictions:


According to the NBC 5 Storm Team, mostly dry and cloudy skies are expected throughout the day on Tuesday with a high of 34 degrees Celsius.

Overnight, however, snow is expected to develop.

A winter weather advisory for LaSalle, Kendall, Grundy, Kankakee, and parts of Cook and Will counties and southern counties, including Indiana’s Lake, Porter, Newton, and Jasper counties, is due at midnight. take effect and continue. until 6 p.m. Wednesday.

Wednesday and Thursday

A snow pattern will begin in southern Illinois around 4:00 AM, with widespread snow in the Chicago area around 8:00 AM.

According to the National Weather Service, “worsening travel conditions during Wednesday morning’s commute” are expected, with peak snowfall occurring in the morning.

By lunchtime, however, forecast models show a reduction in the snowfall rate. Additionally, temperatures are expected to rise and reach the late to mid-thirties.

By Wednesday evening, the system is expected to start massing out of the Chicago area. However, because Lake Michigan’s waters are warmer and winds are blowing from the north, lake-effect snow can affect areas south of the lake in northwestern Indiana.

As a result, parts of Indiana could see locally higher total snowfall by Thursday morning, according to forecast models.

Friday, Saturday, Sunday

A second round of snow arrives in the form of a fast-moving Clipper system on Friday, which could bring light or mixed precipitation to the area. Accumulation is probably on the lighter side due to its disturbances, according to predictive models.

Predictive models expect more snow late Saturday into Sunday as the two air masses collide with each other. Light snowfall is likely as these air masses pass over the Midwest, bringing additional accumulation to areas that see snow over several days.

How much snow can we see in the Chicago area?

The heaviest snowfall in the region is expected Wednesday morning, according to forecasting models. Accumulation is likely region-wide, with the highest amounts projected to be found in areas south and east of Chicago.

Overall, early forecasts indicate that the Chicago area is likely to see 2 to 3 inches of snow cover. However, the total is different in the north and south.

According to the NBC 5 Storm Team, it is expected to be less than 2 inches in northern counties, up to 4 inches in southern and southeastern suburbs, and up to 5 inches in northwestern Indiana.

Check road conditions in Illinois

Snow is expected to hit the commute on Wednesday morning, so the latest road conditions can be found at


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Written by Natalia Chi

Chicago Popular; Chicago breaking news, weather and live video. Covering local politics, health, traffic and sports for Chicago, the suburbs and northwest Indiana.

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