Q.After Coppice Pruning A Willow Tree Bush The Branches Grew Straight Up About 8 Feet High From The Foot Long Stumps
Is it normal for them to grow that high I live in Mass and I figured the snow might damage the weak branches Should I cut everything back in the spring again to the stumps or cut them back half way to have the bush fill out and the branches to becme stronger

Certified GKH Gardening Expert
This should be done in winter, during dormancy, to prevent any infection. I would select a single leader, as well. This can help the tree from overfilling and becoming an issue for itself. Here are a couple of articles that will help:
https://www.gardeningknowhow.com/ornamental/trees/willow/weeping-willow-pruning.htm
https://www.gardeningknowhow.com/ornamental/trees/willow/how-to-prune-willow-trees.htm