The winter blast continues to impact the middle portion of the country. At least 36 people have died across five states.
Crews in Missouri and Oklahoma have been working to restore power to hundreds of thousands of people.
Sunday, Governor Brad Henry asked President Bush to approve an emergency disaster declaration for all 77 Oklahoma counties.
And in Dallas...the weather and the time required to de-ice aircraft has prompted the cancellation of 100 scheduled flight departures so far at DFW International airport.