You must still file a Petition for Guardianship. Then you can file an Ex Parte PetitionA petition made to the court without notice to the adverse party, often requiring an emergency which is likely to cause irreparable harm to the petitioner. for Temporary Guardianship. This is usually only granted for real emergencies, such as if the minor needs immediate medical treatment. The temporary guardianship will only be in place until the hearing on the underlying Petition for Guardianship.