Broadforking - Before or After Winter?

Where I live we have snowy, freezing winters where nothing grows. Usually, the garden just sits until spring to be worked as soon as it thaws. I recently purchased a broadfork to improve soil tilth and break new ground to grow things in. I am now wondering if it would make sense to broadfork BEFORE winter or if it is better to wait for the spring thaw. In my mind, the fall is rather dry and from what I read you want to broadfork when the ground is dry. The spring thaw means weeks of wet ground and waiting. I think I just want an excuse to try out my broadfork, but maybe it might make sense?

What are your thoughts? Is patience actually a virtue?

We are broadforking now and will continue over the winter as the weather permits.
One important reason for us is to remove bermuda grass roots by the handful.
These beds are broadforked every other year and this is just part of the maintenance...to loosen compaction and also to remove bermuda grass.

I would broadcfork anytime the soil is right...too dry is impossible here and too wet is too wet😊

BUT.....we rarely have snow cover or solid frozen ground.

I just finished the easy bed and have sowed with rye grain.
I removed piles of bermuda grass roots and the improvement of tilth over several years is wonderful.

I have not ever heard a reason for broadforking in a certain season?

EDIT: Dougs post below reminds me to say I had to water this particular bed repeatedly before I was able to penetrate with a broadfork...fortunately the old house well is holding it's own for our gardens in this dry spell.
Otherwise I can balance on the fork and it sinks maybe a few inches if that...we need more Ddeep roots!

Timothy and Judith, this is a good discussion. I think the fall broadforking is a good idea because this fractures the soil quite deeply and will allow precipitation to rehydrate the soil profile. If the soil is hard and has some slope, meaningful rainfall could end up somewhere else and not in the growing area. We were very dry here this summer and the soil got hard. There was normal rainfall here for September but the soil is still very hard at about a 5" depth. This is enough moisture and rooting zone to grow a nice oat cover crop but the roots are stopped at that hard layer. We want the soil in a condition to take on precipitation when it is available and become a moisture reserve if and when needed. This is part of my quest here, making a connection between the topsoil and subsoil, hopefully with the roots of plants.

Another vote for autumn from me, mostly because the ground is workable and you're not racing the spring thaw. If you leave it a bit rough rather than raking it flat, I'd have thought the frost does some of the breaking down for you over winter.

Another consideration, if you have heavy snow cover, forking in the spring will help to "fluff" the soil back after being weighted down for months. You can split the garden up and fork beds now that you'll be planting very early in the spring and leave the other beds that will be planted later until spring. Your experiences and your soil will tell you which season broad forking is best for you. Have fun experimenting!