Winter Weather Dumps Snow and Threatens Tornadoes in the South

Dangerous storm is making for treacherous driving and causing accidents; a father and son dies after falling through the ice while ice fishing.
2:28 | 02/02/16

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Transcript for Winter Weather Dumps Snow and Threatens Tornadoes in the South
A dangerous tornado touching down just a short time ago and blizzard warnings across several states in the midwest this whole system moving east next. White out conditions right there Dickson county Nebraska blinding snow went whipping winds and treacherous driving in Iowa cars veering off the road buried in the snow just 24 hours after the caucuses. That tornado reportedly hitting Mississippi then crossing into Alabama and 23 million Americans in the path of severe storms from Alabama to Indiana. ABC's stables and sobbing in Nashville. Fertile material tornado lingered. This was Mississippi a short time ago. What looks like a possible tornado falling credit dark sky. Going to be a tough night for families in the self as they watch and wait. Across the plains of the midwest this same storm is bringing blizzards near Grand Island, Nebraska they're not going anywhere received a total white out. This now is panning and and the winds are really strike and it's reasoning went in at least five states they're being told to stay put the blizzard blow. They got back quick wrote recovered. Snow's coming down pretty hard outside Denver it's wrecked city of seven car accident sent four people to the hospital. Heavy snow forced authorities to close interstate seventy to save lives. ABC news correspondent Clayton Sam Zell is there interstate seventy a major interstate is completely shut down from Denver 340 miles east all the way to Hays Kansas. Police reminding everyone to stay safe pointing to this tragedy outside Detroit. David Michael Lyons and his four year old son Jackson while fishing on the ice when they fell through. Divers pulled them from the frozen lake in minutes but it was too late they both die. Here in Nashville at least one school district wasn't taking any chances and decided to close early today we are under a tornado watch tonight. David all sorts of weather would just one systems. Thank you let's get right to meteorologist rob Marciano tracking the threat at this hour yes still that long duration damaging tornado you see the cell rolling right over Alice fell. It's movies in the northeast and another one right behind this is all part of a huge tornado watch a choice from Lafayette Louisiana almost all the way. To global till 10 o'clock tonight so it's a sunsets these storms are immediate even more dangerous part of that huge system. With a blizzard is still happening in Iowa below itself tomorrow goes a mechanic takes most of us snow where that but the severe storms and the heavier rain will push off to the east. Possibly flooding in the areas are still have a snow pack and a stormy day tough travel on I 95 in the big cities to.

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

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