Its miserably cold here too. Brrrr.
Anyway, I know almost enough to be dangerous with guessing crosses.
But the welsummer dad and the breeds of girls you have are some of the common sex-link crosses.
Red sex links hatch red females, and white males. Black sex links hatch black females, and black males with white head dots.
This is one of my favorite go-to threads on sex link info.
https://www.backyardchickens.com/threads/sex-linked-information.261208/
These charts could be useful to you figuring some out. They are from the above referenced thread.
Now I have to go back to your list and look at the second set of pics again.
Anyway, I know almost enough to be dangerous with guessing crosses.

But the welsummer dad and the breeds of girls you have are some of the common sex-link crosses.
Red sex links hatch red females, and white males. Black sex links hatch black females, and black males with white head dots.
This is one of my favorite go-to threads on sex link info.
https://www.backyardchickens.com/threads/sex-linked-information.261208/
These charts could be useful to you figuring some out. They are from the above referenced thread.
Now I have to go back to your list and look at the second set of pics again.

It is very likely, I guess, that I could have a 100% hatch rate of cockerels.
Man oh man, what are the odds and what a great learning experience I have before me! I mean, I haven’t had the best of luck raising a “perfect” male! Oh, wait, wth did I just say?
That doesn’t even exist, does it? 


[so totally sarcastic]

