5 year old tree. Healthy up till this year. Noticed a split in bark on main part of trunk 1 foot above ground. No blooms this year & very few leaves. Very nasty winter. Noticed similar trees in subdivision with same problem.
What’s Wrong With My Non Fruit Bearing Cherry Tree?
Your feeling about the severe winter are probably right. You may have a variety of cherry that's not as cold hardy as it could be. You might be able to repair damage, even at this date, as explained in this article: https://www.gardeningknowhow.com/plant-problems/environmental/tips-for-saving-cold-damaged-plants.htm