IT WAS WINTER AND THERE WAS SNOW AND ICE ON THE GROUND
Yes, it is possible to have a claim even if there are no witnesses. However, your posting doesn't come close to providing sufficient information to determine whether you have a potential cause of action. Consult a personal injury or premises liability attorney, many of whom provide free initial consultation and will take cases on a contingency fee basis if the parties decide to proceed further. Good luck.
This response is for information purpose only and does not constitute a legal advice. This response does not create an attorney-client relationship.
Personal Injury Lawyer
Snow and ice slip and fall injury cases present many challenges. The fact that a person falls does not automatically entitle them to injuries. Witnesses do not necessarily make or break the case. But, they can't hurt. Here's more: [Blue-Link-Below]
Law Offices of Andrew D. Myers, North Andover, MA & Derry, NH provide answers for informational purposes only. Actual legal advice can only be given by an attorney licensed in your jurisdiction, thoroughly familiar with the area of the law in which your concern lies. This creates no attorney-client relationship.