CHICAGO (WLS) — Chicago-area snowfall has created hazardous road conditions and prompted a ground stop at Chicago O’Hare International Airport on Sunday morning.

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A Winter Weather Advisory has been issued for southern Cook, Lake (Ind.), Porter and eastern Will counties until 11 a.m. Sunday, the National Weather Service said.

Snow started to fall in the area between 9 p.m. Saturday and midnight before stopping, from west to east, between 6 a.m. and 9 a.m. Sunday, ABC7 Chicago AccuWeather Meteorologist Jaisol Martinez said.

By 8:15 a.m., snow had stopped in most areas along and north of Interstate 80, Martinez said. The last burst of snow in the area was moving along I-80, from around Joliet to around Gary, at the same time.

Between 2 and 4 inches of snow accumulation is expected for most areas, with some isolated higher totals north of Interstate 80.

Rain might mix in for Kankakee, southern Will, Grundy and southern LaSalle counties, which will impact totals for those locations.

Snow totals as of 6 a.m. Sunday

  • Wadsworth: 5 inches

  • Batavia: 4.1 inches

  • O’Hare: 4 inches

  • Midway: 3.6 inches

  • Homer Glen: 1.8 inches

  • Romeoville: 1.7 inches

Temperatures are expected to drop Sunday afternoon, and lake-effect snow could set up in the evening hours, dropped another inch of snow in parts of Illinois, Martinez said.

Snow creates hazardous driving conditions, disrupts public transportation

ABC7 meteorologists issued an AccuWeather Alert for Sunday morning, as roads became slick and snow-covered.

Chicago’s Office of Emergency Management and Communications encouraged drivers to slow down and use caution.

“DSS will activate a Phase II snow program overnight. More than 220 salt spreaders will be out citywide,” the Chicago Department of Streets and Sanitation said in a statement. “Crews will monitor arterial streets, DLSD, bridges, and overpasses to ensure roads are safe and passable for emergency vehicles, public transportation and other travelers.”

While driving through the area in ABC7’s Storm Tracker early Sunday morning, our crew witnessed multiple traffic incidents.

Illinois State Policed were seen trying to help a driver whose car had apparently spun out from the roadway and into a bank on the city’s Far South Side.

Another vehicle was seen speeding before side-swiping a car in front of Strom Tracker.

Plows are out on Sunday morning, so be sure give them plenty of space as they work to clear area roads.

Around 9:15 a.m., the CTA said bus services are temporarily rerouted off of DuSable Lake Shore Drive due to severe weather conditions.

No buses are running between Outer Lake Shore Drive, Hollywood and 67th Street.

The CTA said disrupted routes may experience major delays from congestion as buses approach the area and return back in the other direction. The CTA encouraged riders to consider using L service as an alternative.

Winter weather prompts ground stop at O’Hare

Flight cancellations have started at O’Hare.

There is a ground stop at O’Hare due to snow or ice from 7:53 a.m. to 9:15 a.m., with a medium (30-60%) probability of extension, according to the Federal Aviation Administration’s website.

The FAA site says there is also a ground delay at O’Hare due to snow or ice from 6 a.m. to 9 p.m. Sunday, with delays averaging 94 minutes.

The city’s FlyChicago website says 119 flights have been canceled at O’Hare as of 8:25 a.m. Sunday.

No cancellations or significant delays have been reported at Chicago Midway International Airport as of 8:30 a.m.

More snow is in the forecast for this week before temperatures take a drastic dip on Saturday.

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