Transcript for Icy Highway Triggers Chain Reaction Engulfing 70 Vehicles
And now to a fightening scene playing out in new england, as families were heading home on the highway. Freezing rain leading to treacherous driving an a chain reaction pileup. Some 70 cars and many injuries. Here's abc meteorologist ginger zee tonight. Reporter: Wrecked on the holiday hustle home. 70 vehicles piling up near worcester, massachusetts. A thin layer of freezing rain coating the highway. Tractor trailers crushing cars. Vehicles nearly pancaked underneath this truck. The accident injuring at least 35 people. Extremely surprised that nobody was killed. I've never seen anything of this magnitude. Reporter: And look at this. A passenger on the eastbound lanes witnessing that fresh pileup. You can see the people being rescued. And it's all happening on what is always one of the busiest weekends of the year. Almost 39 million people traveling on the roads. And ginger with us now. You always say that surface can change in an instant. In the meantime, as we start another week, the trouble spot in the northwest. Reporter: We have to look at the snow and the rain. A mix in the middle. Here is what we're looking at. Almost two feet of snow. Look at the numbers here. Jackson, wyoming, great for skiers, but nobody on the lower roads, not so good. Even in seattle, you could see a snowflake mixing in with the rain. I want to show you the rain. Because that's huge. We have flood watching from portland up -- actually, just in parts of washington state and oregon, but still, big numbers coming at you tonight through tomorrow. And this extends south? Reporter: Yes. The arctic blast really gets started. I nut on wednesday through friday. Friday, high temperatures, yes, that's a high of 2 in helena and 48 in phoenix.
This transcript has been automatically generated and may not be 100% accurate.