Forecasters are warning additional "large and devastating" tornadoes are possible today, reports CNBC's Jane Wells.
At least 51 people have been killed by a tornado near Oklahoma city. Alex Wallis from the weather centre has the latest on its path.
Violent tornadoes are moving through Oklahoma, and there is widespread damage, with CNBC's Tyler Mathisen.
A massive F4, and possibly an F5, tornado cut through Oklahoma this afternoon, destroying schools and homes, and causing millions of dollars worth of damage.
There was little sign of spring across a large swath of the U.S. Midwest on Sunday as a powerful storm dumped heavy snow across a widespread area.
Baseball-sized hail was reported in northern Florida, along with possible tornadoes, while heavy snow in Colorado and Kansas delayed flights and shut down part of Interstate-70. A crash involving up to 50 vehicles closed part of Interstate-25 near Loveland, Colorado, north of Denver.
The Weather Channel's David Malkoff reports a monster winter storm is causing big problems for airports and travelers across the country.
The Weather Channel's Dave Malkoff reports from Indianapolis on a huge storm in the Midwest that's dumping snow and sleet as it makes its way towards the Northeast. (1:49)
A key Boeing supplier suffered damage from this weekend's tornado outbreak, reports CNBC's Phil LeBeau.
Flight cancellations at American Airlines continued Wednesday as the airline recovers from devastating tornadoes that swept through the Dallas area Tuesday. I reveal what's in my carry-on emergency travel kit for times I get stranded overnight without my luggage.
As many as a dozen twisters touched down in a wrecking-ball swath of violent weather that stretched across Dallas and Fort Worth Wednesday.
Carl Parker, The Weather Channel, has the latest details on a series of tornadoes touching down in the Dallas area, causing airport delays, and heavy structural damage to buildings.
AMR cancels hundreds of American Airlines and American Eagle flights in and out of the Dallas-Fort Worth International Airport after the region was hit by tornadoes, hail and thunderstorms, according to reports.
NBC station KXAS in Fort Worth, Texas, shows dramatic ground-level video from one of its storm watchers as a tornado touches down in Kennedale, Texas.
Bryan Norcross, The Weather Channel reports on the large tornado hitting Johnson County, TX and other storm developments underway.
CNBC's Bertha Coombs reports GOP presidential candidate, Rick Santorum says he might not be a better businessman, but he'll make a better president; the Midwest is still reeling from deadly tornadoes; and AT&T says it is capping its data plans on 3G and 4G smartphones, and will now charge penalities to data hogs.
A powerful storm system that produced multiple reports of tornadoes lashed the Midwest early Wednesday, roughing up the country music resort city of Branson and laying waste to small towns in Illinois and Kansas. At least 13 people were killed.
Hurricane Irene was the 'Perfect Storm' for insurers in a different sense of the cliche. The weakened storm that spared New York city from major damage gave the wealthy and rarely hit Northeast enough of a scare because of ominous weather forecasts leading up the storm that property insurers will be able to raise pricing even more next year, according to a Morgan Stanley analyst.
The Weather Channel's Nick Walker has latest on Hurricane Irene, expected to hit the Northeast this weekend.
See average annual homeowners insurance premiums in these states, as well as average windstorm insurance premiums from the least expensive to the most expensive.