Snowy commute for the Midwest as storm quickly moves east

The system caused a chain-reaction truck crash in Wisconsin and will stretch from Texas to Boston.
2:20 | 11/07/19

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Transcript for Snowy commute for the Midwest as storm quickly moves east
tonight, and to a dangerous commute this evening for many, all part of a storm on the move, bringing up to six inches of snow in some places. A deadly accident near Milwaukee. A car smashing into this tractor trailer on the side of the road. This system stretching from Minnesota all the way east to New York. We're going to time it out for you. And ABC's Alex Perez from lake Michigan in Chicago. Reporter: Tonight, a snowy commute for millions in the midwest. That fast-moving storm now marching east. Driving already treacherous in Wisconsin. Part of I-94 shut down for hours. Authorities say weather was a factor in this chain reaction crash involving a pickup truck and two semis. This is creating quite a mess on the frontage road. Just look at this backup out here right now. This is the detour. Reporter: But tragically, north of Milwaukee on I-43, a car struck a disabled semi parked on the shoulder. They were on the side of it trying to change a tire, all of a sudden a car came along and -- kaboom. Reporter: The driver of the car did not survive. Roads treacherous in south Dakota, too. Outside rapid city, drivers struggling for traction. And this car colliding into the back of that school bus. Luckily, no students on board at the time. And David, here in Chicago, there's a lake shore flood advisory tonight through tomorrow. We could see waves up to 10 feet high and wind gusts of up to 40 miles per hour. David? All right, Alex Perez. That's why they call it the windy city. Thank you. We want to time this out for everyone at home because it really lasts straight through the weekend. Let's get right to chief meteorologist ginger zee timing it out for us tonight. Hey, ginger. Reporter: Hey, David. There are two apartments to the storm, so, when you look at this map, that southern part is going to bring a flash flood potential tonight through tomorrow from Oklahoma through Arkansas, right through the ozarks there. And then the northern part is where that kind of really cold air, by tomorrow morning, by the way, it will feel like 8 in Minneapolis. And then that cold air interacts with that moisture and that's when we pick up snow from Kentucky, West Virginia, western Pennsylvania. And behind it, it is so cold. It is so windy. Friday, it will be clear and it will just be really frigid. Look at the numbers by Saturday morning. The sub-freezing feels like drop all the way to Jackson, Mississippi, but this is nothing compared to Monday night week, when temperature in Minneapolis, actual air temperature, around 0. David?

This transcript has been automatically generated and may not be 100% accurate.

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