Q.How to prune a weeping tree?
How do I prune a tree that is supposed to be “weeping” and it is growing upwards. Is it too close to the house?
This article will guide you as for how far from the house a tree should be:
https://extension.missouri.edu/p/G6900
An arborist would be able to help you with pruning issues. I am not sure what kind of tree you have, but here are guides to pruning several types of weeping trees:
https://www.gardeningknowhow.com/ornamental/trees/weeping-cherry/pruning-weeping-cherry.htm
https://www.gardenguides.com/78263-prune-weeping-willow-trees.html