Transcript for Extreme Weather Conditions Span across the Country

And now, to the incredible pictures of the extreme weather coming in tonight. The deadly dust storm in Utah and now new pictures emerging of a giant sand storm in Las Vegas. In Oregon, this car flipped by a small or the nato. Don and tonight, flash flood warning warnings in the south. Meteorologist rob Mars owe with the fire warnings coming in, too. Reporter: Tonight, high fire danger warnings in southern California, the state bone dry. Blowing dust Tuesday blinding drivers near Fresno, and winding gusting over 80 miles an hour in Utah, causing a deadly pileup there. Temperatures plummeting in salt Lake City, 40 degrees in less than four hours. Look at this suburb Tuesday. That same street today, the snowblowers are out. In Eugene, Oregon, a tornado wreaked havoc at this community college Tuesday. The or tornado picked the back of my car up and threw us about a good eight feet in the air. Reporter: In the south, torrential rains taking the life of a 3-year-old boy in raceland, Louisiana, swept away by flood waters. Rob, you have the new track tonight. Reporter: Another crazy night in New Orleans. A tornado warning earlier. That's expired. This front is remaining stationary and it's got a long tropical moisture feed. More heavy rain across the gulf coast. Really through Saturday. Could see up to six inches, maybe more in some spots. That big wind storm out west is now a snowstorm, snowing in salt Lake City. They've seen more snow there today than they have seen in January, February and March combined. Denver, you get the snow tomorrow. That system moves east. A severe thunderstorm threat in Texas, possibly a tornado or two. We'll monitor that tomorrow. See you on "Gma," rob. Thank you.

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