Transcript for Midwest slammed by tornado outbreak

dangerous twisters hitting the heartland touching down in four states. Winds in Oklahoma stopping 100 miles an hour. Over to ginger with more. Robin, what a weekend it's been, at least 64 recorded tornadoes. You can see the numbers and see the debris flying in Chester northwestern Oklahoma almost to the panhandle. Right now as we speak severe thunderstorms blowing across parts of Texas, a batch in Illinois and that same Loy, the pesky dry line going to be the cull Tritt, straight to that risk area where we have rob Marciano on the ground. Reporter: Over 20,000 without power. Big wind, big hail and a storm line that ripped up this tree. That at one point had measured winds of 104 miles per hour. You were way close to this, Shane, be safe. Reporter: Overnight a close call for an Oklahoma storm chas chasers as tornadoes hit and possible twisted spotted in 13 cities including selling, duke and Chester, Oklahoma. Don't move. Reporter: Watch as this rips everything in its pott sending debris swirling in the air. Go, no, go, go. Reporter: Lightning has been going off all day and gusts over 60 miles south of Oklahoma City. The storm system also bringing pounding hail and damaging winds. In east Moline, Illinois, this tree bursting into flames when strong winds knocked it on to a power line, parts of the midwest scattered after a tornado outbreak. In the west, Colorado waking up to a spring snowstorm. That snow telling you how much cold air is with that and classy with the hot air hovel the gulf mex and a lot are in for more severe weather Tate.

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