First Oklahoma Tornado Funeral Today [VIDEO]

The first of the funerals is scheduled today following the deadly tornado in Moore, Oklahoma

It will be for 9-year-old Antonia Candelaria, one of seven children who died at a destroyed elementary school.

Moore Mayor Glenn Lewis says he'll propose an ordinance to require all new homes to have storm shelters. President Barack Obama travels to Moore on Sunday.

Assessing the damage

Officials say the tornado that struck Moore, Okla., on Monday may have created $2 billion or more in damage.

The powerful twister killed 24 people, including 10 children, and tore through as many as 13,000 homes, schools and a hospital.

Oklahoma City Mayor Mick Cornett says early estimates put losses at between $1.5 billion and $2 billion.

But the Oklahoma Insurance Department says the loss could be much more.

President Barack Obama travels to Moore Sunday to get a first-hand look at the devastation this week's tornado caused. .

The Associated Press contributed to this story