Midwest in Blizzard's Path, 11 States Under Extreme Weather Watch

brewing tonight, dumping a second round of heavy snow in the nation's mid section, about a dozen states from colorado to michigan have warnings and watches and several of those states are bracing for... See More

brewing tonight, dumping a second round of heavy snow in the nation's mid section, about a dozen states from colorado to michigan have warnings and watches and several of those states are bracing for blizzards. Colorado has been in the eye of the storm today and our extreme weather team has the details beginning with abc's clayton sandell in denver tonight. Reporter: Denver's biggest storm yet this winter hit in darkness. By daylight, icy roads and snow turns driving into a dangerous game of traffic pin ball. There's a car spinning out live on the air right here. All day high winds and snow equalled whiteout headaches for drivers. Even big rigs needed chains. Nearly a hundred plows deployed around denver, struggling to keep up with the blizzard dumping snow as fast as two inches an hour. The storm is forcing homeless shelters to open early. 465 people will stay here tonight out of the cold. At the airport, about 200 flights were canceled. But for joe in bailey, the weather isn't all bad. Good to be out here. It's the best. Been waiting for this all year. Didn't get my snow shoes until right now. Reporter: We've already gotten nine inches here, but by the time the storm moves out tonight, denver will see up to a foot of snow, two feet in the mountains. Thank you. As for where the snow is moving, ginger zee is in kansas which is bracing for more snow. Ginger? Reporter: I was just in the city 48 hours ago. That's when I left because I was covering this. They had more than nine inches last week. That's a lot for kansas city and they're going to get another six to ten, even 12 inches again by tuesday. Let's talk about the timing of the storm, though, because it's not here yet. Let's go back to the amarillo, texas area, that gets it tonight. Into western oklahoma, southwest kansas, that's for tomorrow. Then it starts to move wichita to kansas city, monday night into tuesday, moves toward the great lakes mid week. We have to look at the warnings. Blizzard conditions don't just mean snow. It means visibility is reduced to less than a quarter mile and wi gusts of 35 miles per hour or greater. How much snow are we talking? That's the big question tonight. Now I have the answer. Look at this graphic. The purple is a foot or more of snow. A lot of the shades of white will have that blowing snow and that that will be an issue. Second threat I need to mention, severe weather, from louisiana to the florida panhandle. Isolated tornadoes, damaging winds and hail in the coming