The 38-year-old woman was arrested Tuesday evening after Owasso police say pedestrians saw her child in a parked car outside a Wal-Mart Supercenter. A police report says the child was left alone for about 45 minutes in a car that reached internal temperatures of 120 to 138 degrees. The child was transported to St. John Medical Center in Owasso for treatment, and was released into the custody of the child's father.According to the report, the suspect told officers she forgot the child was in the car when she went into the store.