Now as we head into the weekend, 13 states are facing a weekend of treacherous cold, ice, and snow. This is how it looked. This week arctic air washing the country in wave after wave. It's not over... See More
Now as we head into the weekend, 13 states are facing a weekend of treacherous cold, ice, and snow. This is how it looked. This week arctic air washing the country in wave after wave. It's not over yet. Steve? Reporter: Good evening, diane. So difficult to see this thin layer of ice and freezing rain, up to half an inch fell in some places on roads and trees, sending cars flying. Today it was one wreck after another. Outside knocksville, a state trooper slid off the road. A fire truck flipped on the ice and crushed his car and he died of a heart attack. In southern indiana, a bus carrying a women's track team rolled over after the driver lost control. Four students were sent to the hospital. She did everything she could. Hit the brakes, I mean, she fought it for probably a good half mile. Schools were closed or closed early in georgia, tennessee, kentucky, north carolina, and in virginia. With cars and school buses having to struggle on the ice. In much of the midwest and northeast where the starm is quickly moving and where it's still bitterly cold. My nose got really cold. Reporter: Schools are still open and health officials are warning parents to keep their kids safe. You go outside and they're having a cough, that may be one of the first signs tha they're having a bad response to the cold air. Reporter: Here are a few families to feel for in a supplies caught on camera. The people in this building in pontiac michigan have had no heat since saturday. Then the water pipes burst. It was really tough for firefighters battling a blaze in lawrence, massachusetts, who looked like walking icicles in the cold. It's tough because we're running into frozen hydrants and lines, it's tough to get around with the icy conditions. Reporter: There are worries about pets and wildlife too. Cory booker came to the rescue again last night whoss owner had accidentally left her stuck outside. This is brutal weather. This dog is shaking really bad. You can't leave your dogs out on a day like this and go away. North of the mason dixon line this extreme cold is expected to last through the weekend. At the very east.
This transcript has been automatically generated and may not be 100% accurate.